+++ /dev/null
-/******************************************************************************
- *
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
- * The full GNU General Public License is included in this distribution
- * in the file called COPYING.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- * BSD LICENSE
- *
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *****************************************************************************/
-#include <linux/vmalloc.h>
-
-#include "mvm.h"
-#include "sta.h"
-#include "iwl-io.h"
-#include "debugfs.h"
-#include "iwl-fw-error-dump.h"
-
-static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int ret;
- u32 scd_q_msk;
-
- if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
- return -EIO;
-
- if (sscanf(buf, "%x", &scd_q_msk) != 1)
- return -EINVAL;
-
- IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
-
- mutex_lock(&mvm->mutex);
- ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count;
- mutex_unlock(&mvm->mutex);
-
- return ret;
-}
-
-static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_sta *mvmsta;
- int sta_id, drain, ret;
-
- if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
- return -EIO;
-
- if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
- return -EINVAL;
- if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
- return -EINVAL;
- if (drain < 0 || drain > 1)
- return -EINVAL;
-
- mutex_lock(&mvm->mutex);
-
- mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
-
- if (!mvmsta)
- ret = -ENOENT;
- else
- ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
-
- mutex_unlock(&mvm->mutex);
-
- return ret;
-}
-
-static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- const struct fw_img *img;
- unsigned int ofs, len;
- size_t ret;
- u8 *ptr;
-
- if (!mvm->ucode_loaded)
- return -EINVAL;
-
- /* default is to dump the entire data segment */
- img = &mvm->fw->img[mvm->cur_ucode];
- ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
- len = img->sec[IWL_UCODE_SECTION_DATA].len;
-
- if (mvm->dbgfs_sram_len) {
- ofs = mvm->dbgfs_sram_offset;
- len = mvm->dbgfs_sram_len;
- }
-
- ptr = kzalloc(len, GFP_KERNEL);
- if (!ptr)
- return -ENOMEM;
-
- iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
-
- ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
-
- kfree(ptr);
-
- return ret;
-}
-
-static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- const struct fw_img *img;
- u32 offset, len;
- u32 img_offset, img_len;
-
- if (!mvm->ucode_loaded)
- return -EINVAL;
-
- img = &mvm->fw->img[mvm->cur_ucode];
- img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
- img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
-
- if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
- if ((offset & 0x3) || (len & 0x3))
- return -EINVAL;
-
- if (offset + len > img_offset + img_len)
- return -EINVAL;
-
- mvm->dbgfs_sram_offset = offset;
- mvm->dbgfs_sram_len = len;
- } else {
- mvm->dbgfs_sram_offset = 0;
- mvm->dbgfs_sram_len = 0;
- }
-
- return count;
-}
-
-static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- char buf[16];
- int pos;
-
- if (!mvm->temperature_test)
- pos = scnprintf(buf , sizeof(buf), "disabled\n");
- else
- pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-/*
- * Set NIC Temperature
- * Cause the driver to ignore the actual NIC temperature reported by the FW
- * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
- * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
- * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
- */
-static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
- char *buf, size_t count,
- loff_t *ppos)
-{
- int temperature;
-
- if (!mvm->ucode_loaded && !mvm->temperature_test)
- return -EIO;
-
- if (kstrtoint(buf, 10, &temperature))
- return -EINVAL;
- /* not a legal temperature */
- if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
- temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
- temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
- return -EINVAL;
-
- mutex_lock(&mvm->mutex);
- if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
- if (!mvm->temperature_test)
- goto out;
-
- mvm->temperature_test = false;
- /* Since we can't read the temp while awake, just set
- * it to zero until we get the next RX stats from the
- * firmware.
- */
- mvm->temperature = 0;
- } else {
- mvm->temperature_test = true;
- mvm->temperature = temperature;
- }
- IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
- mvm->temperature_test ? "En" : "Dis" ,
- mvm->temperature);
- /* handle the temperature change */
- iwl_mvm_tt_handler(mvm);
-
-out:
- mutex_unlock(&mvm->mutex);
-
- return count;
-}
-
-static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- char buf[16];
- int pos, temp;
-
- if (!mvm->ucode_loaded)
- return -EIO;
-
- mutex_lock(&mvm->mutex);
- temp = iwl_mvm_get_temp(mvm);
- mutex_unlock(&mvm->mutex);
-
- if (temp < 0)
- return temp;
-
- pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- struct ieee80211_sta *sta;
- char buf[400];
- int i, pos = 0, bufsz = sizeof(buf);
-
- mutex_lock(&mvm->mutex);
-
- for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
- pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
- sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
- lockdep_is_held(&mvm->mutex));
- if (!sta)
- pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
- else if (IS_ERR(sta))
- pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
- PTR_ERR(sta));
- else
- pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
- sta->addr);
- }
-
- mutex_unlock(&mvm->mutex);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- char buf[64];
- int bufsz = sizeof(buf);
- int pos = 0;
-
- pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
- mvm->disable_power_off);
- pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
- mvm->disable_power_off_d3);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int ret, val;
-
- if (!mvm->ucode_loaded)
- return -EIO;
-
- if (!strncmp("disable_power_off_d0=", buf, 21)) {
- if (sscanf(buf + 21, "%d", &val) != 1)
- return -EINVAL;
- mvm->disable_power_off = val;
- } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
- if (sscanf(buf + 21, "%d", &val) != 1)
- return -EINVAL;
- mvm->disable_power_off_d3 = val;
- } else {
- return -EINVAL;
- }
-
- mutex_lock(&mvm->mutex);
- ret = iwl_mvm_power_update_device(mvm);
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-#define BT_MBOX_MSG(_notif, _num, _field) \
- ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
- >> BT_MBOX##_num##_##_field##_POS)
-
-
-#define BT_MBOX_PRINT(_num, _field, _end) \
- pos += scnprintf(buf + pos, bufsz - pos, \
- "\t%s: %d%s", \
- #_field, \
- BT_MBOX_MSG(notif, _num, _field), \
- true ? "\n" : ", ");
-
-static
-int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
- int pos, int bufsz)
-{
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
-
- BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
- BT_MBOX_PRINT(0, LE_PROF1, false);
- BT_MBOX_PRINT(0, LE_PROF2, false);
- BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
- BT_MBOX_PRINT(0, CHL_SEQ_N, false);
- BT_MBOX_PRINT(0, INBAND_S, false);
- BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
- BT_MBOX_PRINT(0, LE_SCAN, false);
- BT_MBOX_PRINT(0, LE_ADV, false);
- BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
- BT_MBOX_PRINT(0, OPEN_CON_1, true);
-
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
-
- BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
- BT_MBOX_PRINT(1, IP_SR, false);
- BT_MBOX_PRINT(1, LE_MSTR, false);
- BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
- BT_MBOX_PRINT(1, MSG_TYPE, false);
- BT_MBOX_PRINT(1, SSN, true);
-
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
-
- BT_MBOX_PRINT(2, SNIFF_ACT, false);
- BT_MBOX_PRINT(2, PAG, false);
- BT_MBOX_PRINT(2, INQUIRY, false);
- BT_MBOX_PRINT(2, CONN, false);
- BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
- BT_MBOX_PRINT(2, DISC, false);
- BT_MBOX_PRINT(2, SCO_TX_ACT, false);
- BT_MBOX_PRINT(2, SCO_RX_ACT, false);
- BT_MBOX_PRINT(2, ESCO_RE_TX, false);
- BT_MBOX_PRINT(2, SCO_DURATION, true);
-
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
-
- BT_MBOX_PRINT(3, SCO_STATE, false);
- BT_MBOX_PRINT(3, SNIFF_STATE, false);
- BT_MBOX_PRINT(3, A2DP_STATE, false);
- BT_MBOX_PRINT(3, ACL_STATE, false);
- BT_MBOX_PRINT(3, MSTR_STATE, false);
- BT_MBOX_PRINT(3, OBX_STATE, false);
- BT_MBOX_PRINT(3, OPEN_CON_2, false);
- BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
- BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
- BT_MBOX_PRINT(3, INBAND_P, false);
- BT_MBOX_PRINT(3, MSG_TYPE_2, false);
- BT_MBOX_PRINT(3, SSN_2, false);
- BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
-
- return pos;
-}
-
-static
-int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif,
- char *buf, int pos, int bufsz)
-{
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
-
- BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
- BT_MBOX_PRINT(0, LE_PROF1, false);
- BT_MBOX_PRINT(0, LE_PROF2, false);
- BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
- BT_MBOX_PRINT(0, CHL_SEQ_N, false);
- BT_MBOX_PRINT(0, INBAND_S, false);
- BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
- BT_MBOX_PRINT(0, LE_SCAN, false);
- BT_MBOX_PRINT(0, LE_ADV, false);
- BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
- BT_MBOX_PRINT(0, OPEN_CON_1, true);
-
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
-
- BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
- BT_MBOX_PRINT(1, IP_SR, false);
- BT_MBOX_PRINT(1, LE_MSTR, false);
- BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
- BT_MBOX_PRINT(1, MSG_TYPE, false);
- BT_MBOX_PRINT(1, SSN, true);
-
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
-
- BT_MBOX_PRINT(2, SNIFF_ACT, false);
- BT_MBOX_PRINT(2, PAG, false);
- BT_MBOX_PRINT(2, INQUIRY, false);
- BT_MBOX_PRINT(2, CONN, false);
- BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
- BT_MBOX_PRINT(2, DISC, false);
- BT_MBOX_PRINT(2, SCO_TX_ACT, false);
- BT_MBOX_PRINT(2, SCO_RX_ACT, false);
- BT_MBOX_PRINT(2, ESCO_RE_TX, false);
- BT_MBOX_PRINT(2, SCO_DURATION, true);
-
- pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
-
- BT_MBOX_PRINT(3, SCO_STATE, false);
- BT_MBOX_PRINT(3, SNIFF_STATE, false);
- BT_MBOX_PRINT(3, A2DP_STATE, false);
- BT_MBOX_PRINT(3, ACL_STATE, false);
- BT_MBOX_PRINT(3, MSTR_STATE, false);
- BT_MBOX_PRINT(3, OBX_STATE, false);
- BT_MBOX_PRINT(3, OPEN_CON_2, false);
- BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
- BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
- BT_MBOX_PRINT(3, INBAND_P, false);
- BT_MBOX_PRINT(3, MSG_TYPE_2, false);
- BT_MBOX_PRINT(3, SSN_2, false);
- BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
-
- return pos;
-}
-
-static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- char *buf;
- int ret, pos = 0, bufsz = sizeof(char) * 1024;
-
- buf = kmalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- mutex_lock(&mvm->mutex);
-
- if (!fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
- struct iwl_bt_coex_profile_notif_old *notif =
- &mvm->last_bt_notif_old;
-
- pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz);
-
- pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
- notif->bt_ci_compliance);
- pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
- le32_to_cpu(notif->primary_ch_lut));
- pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
- le32_to_cpu(notif->secondary_ch_lut));
- pos += scnprintf(buf+pos,
- bufsz-pos, "bt_activity_grading = %d\n",
- le32_to_cpu(notif->bt_activity_grading));
- pos += scnprintf(buf+pos, bufsz-pos,
- "antenna isolation = %d CORUN LUT index = %d\n",
- mvm->last_ant_isol, mvm->last_corun_lut);
- } else {
- struct iwl_bt_coex_profile_notif *notif =
- &mvm->last_bt_notif;
-
- pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
-
- pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
- notif->bt_ci_compliance);
- pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
- le32_to_cpu(notif->primary_ch_lut));
- pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
- le32_to_cpu(notif->secondary_ch_lut));
- pos += scnprintf(buf+pos,
- bufsz-pos, "bt_activity_grading = %d\n",
- le32_to_cpu(notif->bt_activity_grading));
- pos += scnprintf(buf+pos, bufsz-pos,
- "antenna isolation = %d CORUN LUT index = %d\n",
- mvm->last_ant_isol, mvm->last_corun_lut);
- }
-
- mutex_unlock(&mvm->mutex);
-
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
-
- return ret;
-}
-#undef BT_MBOX_PRINT
-
-static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- char buf[256];
- int bufsz = sizeof(buf);
- int pos = 0;
-
- mutex_lock(&mvm->mutex);
-
- if (!fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
- struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old;
-
- pos += scnprintf(buf+pos, bufsz-pos,
- "Channel inhibition CMD\n");
- pos += scnprintf(buf+pos, bufsz-pos,
- "\tPrimary Channel Bitmap 0x%016llx\n",
- le64_to_cpu(cmd->bt_primary_ci));
- pos += scnprintf(buf+pos, bufsz-pos,
- "\tSecondary Channel Bitmap 0x%016llx\n",
- le64_to_cpu(cmd->bt_secondary_ci));
-
- pos += scnprintf(buf+pos, bufsz-pos,
- "BT Configuration CMD - 0=default, 1=never, 2=always\n");
- pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n",
- mvm->bt_ack_kill_msk[0]);
- pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n",
- mvm->bt_cts_kill_msk[0]);
-
- } else {
- struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
-
- pos += scnprintf(buf+pos, bufsz-pos,
- "Channel inhibition CMD\n");
- pos += scnprintf(buf+pos, bufsz-pos,
- "\tPrimary Channel Bitmap 0x%016llx\n",
- le64_to_cpu(cmd->bt_primary_ci));
- pos += scnprintf(buf+pos, bufsz-pos,
- "\tSecondary Channel Bitmap 0x%016llx\n",
- le64_to_cpu(cmd->bt_secondary_ci));
- }
-
- mutex_unlock(&mvm->mutex);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t
-iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- u32 bt_tx_prio;
-
- if (sscanf(buf, "%u", &bt_tx_prio) != 1)
- return -EINVAL;
- if (bt_tx_prio > 4)
- return -EINVAL;
-
- mvm->bt_tx_prio = bt_tx_prio;
-
- return count;
-}
-
-static ssize_t
-iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- static const char * const modes_str[BT_FORCE_ANT_MAX] = {
- [BT_FORCE_ANT_DIS] = "dis",
- [BT_FORCE_ANT_AUTO] = "auto",
- [BT_FORCE_ANT_BT] = "bt",
- [BT_FORCE_ANT_WIFI] = "wifi",
- };
- int ret, bt_force_ant_mode;
-
- for (bt_force_ant_mode = 0;
- bt_force_ant_mode < ARRAY_SIZE(modes_str);
- bt_force_ant_mode++) {
- if (!strcmp(buf, modes_str[bt_force_ant_mode]))
- break;
- }
-
- if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
- return -EINVAL;
-
- ret = 0;
- mutex_lock(&mvm->mutex);
- if (mvm->bt_force_ant_mode == bt_force_ant_mode)
- goto out;
-
- mvm->bt_force_ant_mode = bt_force_ant_mode;
- IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
- modes_str[mvm->bt_force_ant_mode]);
- ret = iwl_send_bt_init_conf(mvm);
-
-out:
- mutex_unlock(&mvm->mutex);
- return ret ?: count;
-}
-
-#define PRINT_STATS_LE32(_struct, _memb) \
- pos += scnprintf(buf + pos, bufsz - pos, \
- fmt_table, #_memb, \
- le32_to_cpu(_struct->_memb))
-
-static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
- char __user *user_buf, size_t count,
- loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- static const char *fmt_table = "\t%-30s %10u\n";
- static const char *fmt_header = "%-32s\n";
- int pos = 0;
- char *buf;
- int ret;
- /* 43 is the size of each data line, 33 is the size of each header */
- size_t bufsz =
- ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
- (4 * 33) + 1;
-
- struct mvm_statistics_rx_phy *ofdm;
- struct mvm_statistics_rx_phy *cck;
- struct mvm_statistics_rx_non_phy *general;
- struct mvm_statistics_rx_ht_phy *ht;
-
- buf = kzalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- mutex_lock(&mvm->mutex);
-
- ofdm = &mvm->rx_stats.ofdm;
- cck = &mvm->rx_stats.cck;
- general = &mvm->rx_stats.general;
- ht = &mvm->rx_stats.ofdm_ht;
-
- pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
- "Statistics_Rx - OFDM");
- PRINT_STATS_LE32(ofdm, ina_cnt);
- PRINT_STATS_LE32(ofdm, fina_cnt);
- PRINT_STATS_LE32(ofdm, plcp_err);
- PRINT_STATS_LE32(ofdm, crc32_err);
- PRINT_STATS_LE32(ofdm, overrun_err);
- PRINT_STATS_LE32(ofdm, early_overrun_err);
- PRINT_STATS_LE32(ofdm, crc32_good);
- PRINT_STATS_LE32(ofdm, false_alarm_cnt);
- PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
- PRINT_STATS_LE32(ofdm, sfd_timeout);
- PRINT_STATS_LE32(ofdm, fina_timeout);
- PRINT_STATS_LE32(ofdm, unresponded_rts);
- PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
- PRINT_STATS_LE32(ofdm, sent_ack_cnt);
- PRINT_STATS_LE32(ofdm, sent_cts_cnt);
- PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
- PRINT_STATS_LE32(ofdm, dsp_self_kill);
- PRINT_STATS_LE32(ofdm, mh_format_err);
- PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
- PRINT_STATS_LE32(ofdm, reserved);
-
- pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
- "Statistics_Rx - CCK");
- PRINT_STATS_LE32(cck, ina_cnt);
- PRINT_STATS_LE32(cck, fina_cnt);
- PRINT_STATS_LE32(cck, plcp_err);
- PRINT_STATS_LE32(cck, crc32_err);
- PRINT_STATS_LE32(cck, overrun_err);
- PRINT_STATS_LE32(cck, early_overrun_err);
- PRINT_STATS_LE32(cck, crc32_good);
- PRINT_STATS_LE32(cck, false_alarm_cnt);
- PRINT_STATS_LE32(cck, fina_sync_err_cnt);
- PRINT_STATS_LE32(cck, sfd_timeout);
- PRINT_STATS_LE32(cck, fina_timeout);
- PRINT_STATS_LE32(cck, unresponded_rts);
- PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
- PRINT_STATS_LE32(cck, sent_ack_cnt);
- PRINT_STATS_LE32(cck, sent_cts_cnt);
- PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
- PRINT_STATS_LE32(cck, dsp_self_kill);
- PRINT_STATS_LE32(cck, mh_format_err);
- PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
- PRINT_STATS_LE32(cck, reserved);
-
- pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
- "Statistics_Rx - GENERAL");
- PRINT_STATS_LE32(general, bogus_cts);
- PRINT_STATS_LE32(general, bogus_ack);
- PRINT_STATS_LE32(general, non_bssid_frames);
- PRINT_STATS_LE32(general, filtered_frames);
- PRINT_STATS_LE32(general, non_channel_beacons);
- PRINT_STATS_LE32(general, channel_beacons);
- PRINT_STATS_LE32(general, num_missed_bcon);
- PRINT_STATS_LE32(general, adc_rx_saturation_time);
- PRINT_STATS_LE32(general, ina_detection_search_time);
- PRINT_STATS_LE32(general, beacon_silence_rssi_a);
- PRINT_STATS_LE32(general, beacon_silence_rssi_b);
- PRINT_STATS_LE32(general, beacon_silence_rssi_c);
- PRINT_STATS_LE32(general, interference_data_flag);
- PRINT_STATS_LE32(general, channel_load);
- PRINT_STATS_LE32(general, dsp_false_alarms);
- PRINT_STATS_LE32(general, beacon_rssi_a);
- PRINT_STATS_LE32(general, beacon_rssi_b);
- PRINT_STATS_LE32(general, beacon_rssi_c);
- PRINT_STATS_LE32(general, beacon_energy_a);
- PRINT_STATS_LE32(general, beacon_energy_b);
- PRINT_STATS_LE32(general, beacon_energy_c);
- PRINT_STATS_LE32(general, num_bt_kills);
- PRINT_STATS_LE32(general, mac_id);
- PRINT_STATS_LE32(general, directed_data_mpdu);
-
- pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
- "Statistics_Rx - HT");
- PRINT_STATS_LE32(ht, plcp_err);
- PRINT_STATS_LE32(ht, overrun_err);
- PRINT_STATS_LE32(ht, early_overrun_err);
- PRINT_STATS_LE32(ht, crc32_good);
- PRINT_STATS_LE32(ht, crc32_err);
- PRINT_STATS_LE32(ht, mh_format_err);
- PRINT_STATS_LE32(ht, agg_crc32_good);
- PRINT_STATS_LE32(ht, agg_mpdu_cnt);
- PRINT_STATS_LE32(ht, agg_cnt);
- PRINT_STATS_LE32(ht, unsupport_mcs);
-
- mutex_unlock(&mvm->mutex);
-
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
-
- return ret;
-}
-#undef PRINT_STAT_LE32
-
-static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
- char __user *user_buf, size_t count,
- loff_t *ppos,
- struct iwl_mvm_frame_stats *stats)
-{
- char *buff, *pos, *endpos;
- int idx, i;
- int ret;
- static const size_t bufsz = 1024;
-
- buff = kmalloc(bufsz, GFP_KERNEL);
- if (!buff)
- return -ENOMEM;
-
- spin_lock_bh(&mvm->drv_stats_lock);
-
- pos = buff;
- endpos = pos + bufsz;
-
- pos += scnprintf(pos, endpos - pos,
- "Legacy/HT/VHT\t:\t%d/%d/%d\n",
- stats->legacy_frames,
- stats->ht_frames,
- stats->vht_frames);
- pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
- stats->bw_20_frames,
- stats->bw_40_frames,
- stats->bw_80_frames);
- pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
- stats->ngi_frames,
- stats->sgi_frames);
- pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
- stats->siso_frames,
- stats->mimo2_frames);
- pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
- stats->fail_frames,
- stats->success_frames);
- pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
- stats->agg_frames);
- pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
- stats->ampdu_count);
- pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
- stats->ampdu_count > 0 ?
- (stats->agg_frames / stats->ampdu_count) : 0);
-
- pos += scnprintf(pos, endpos - pos, "Last Rates\n");
-
- idx = stats->last_frame_idx - 1;
- for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
- idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
- if (stats->last_rates[idx] == 0)
- continue;
- pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
- (int)(ARRAY_SIZE(stats->last_rates) - i));
- pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
- }
- spin_unlock_bh(&mvm->drv_stats_lock);
-
- ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
- kfree(buff);
-
- return ret;
-}
-
-static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
- char __user *user_buf, size_t count,
- loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
-
- return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
- &mvm->drv_rx_stats);
-}
-
-static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int ret;
-
- mutex_lock(&mvm->mutex);
-
- /* allow one more restart that we're provoking here */
- if (mvm->restart_fw >= 0)
- mvm->restart_fw++;
-
- /* take the return value to make compiler happy - it will fail anyway */
- ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
-
- mutex_unlock(&mvm->mutex);
-
- return count;
-}
-
-static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
- if (ret)
- return ret;
-
- iwl_force_nmi(mvm->trans);
-
- iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
-
- return count;
-}
-
-static ssize_t
-iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- int pos = 0;
- char buf[32];
- const size_t bufsz = sizeof(buf);
-
- /* print which antennas were set for the scan command by the user */
- pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
- if (mvm->scan_rx_ant & ANT_A)
- pos += scnprintf(buf + pos, bufsz - pos, "A");
- if (mvm->scan_rx_ant & ANT_B)
- pos += scnprintf(buf + pos, bufsz - pos, "B");
- if (mvm->scan_rx_ant & ANT_C)
- pos += scnprintf(buf + pos, bufsz - pos, "C");
- pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t
-iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- u8 scan_rx_ant;
-
- if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
- return -EINVAL;
- if (scan_rx_ant > ANT_ABC)
- return -EINVAL;
- if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
- return -EINVAL;
-
- if (mvm->scan_rx_ant != scan_rx_ant) {
- mvm->scan_rx_ant = scan_rx_ant;
- if (fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_UMAC_SCAN))
- iwl_mvm_config_scan(mvm);
- }
-
- return count;
-}
-
-static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- int conf;
- char buf[8];
- const size_t bufsz = sizeof(buf);
- int pos = 0;
-
- mutex_lock(&mvm->mutex);
- conf = mvm->fw_dbg_conf;
- mutex_unlock(&mvm->mutex);
-
- pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
- char *buf, size_t count,
- loff_t *ppos)
-{
- unsigned int conf_id;
- int ret;
-
- ret = kstrtouint(buf, 0, &conf_id);
- if (ret)
- return ret;
-
- if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
- return -EINVAL;
-
- mutex_lock(&mvm->mutex);
- ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id);
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
- char *buf, size_t count,
- loff_t *ppos)
-{
- int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
-
- if (ret)
- return ret;
-
- iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL);
-
- iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
-
- return count;
-}
-
-#define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
-#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
-static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- struct iwl_bcast_filter_cmd cmd;
- const struct iwl_fw_bcast_filter *filter;
- char *buf;
- int bufsz = 1024;
- int i, j, pos = 0;
- ssize_t ret;
-
- buf = kzalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- mutex_lock(&mvm->mutex);
- if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
- ADD_TEXT("None\n");
- mutex_unlock(&mvm->mutex);
- goto out;
- }
- mutex_unlock(&mvm->mutex);
-
- for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
- filter = &cmd.filters[i];
-
- ADD_TEXT("Filter [%d]:\n", i);
- ADD_TEXT("\tDiscard=%d\n", filter->discard);
- ADD_TEXT("\tFrame Type: %s\n",
- filter->frame_type ? "IPv4" : "Generic");
-
- for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
- const struct iwl_fw_bcast_filter_attr *attr;
-
- attr = &filter->attrs[j];
- if (!attr->mask)
- break;
-
- ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
- j, attr->offset,
- attr->offset_type ? "IP End" :
- "Payload Start",
- be32_to_cpu(attr->mask),
- be32_to_cpu(attr->val),
- le16_to_cpu(attr->reserved1));
- }
- }
-out:
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
- return ret;
-}
-
-static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int pos, next_pos;
- struct iwl_fw_bcast_filter filter = {};
- struct iwl_bcast_filter_cmd cmd;
- u32 filter_id, attr_id, mask, value;
- int err = 0;
-
- if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
- &filter.frame_type, &pos) != 3)
- return -EINVAL;
-
- if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
- filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
- return -EINVAL;
-
- for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
- attr_id++) {
- struct iwl_fw_bcast_filter_attr *attr =
- &filter.attrs[attr_id];
-
- if (pos >= count)
- break;
-
- if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
- &attr->offset, &attr->offset_type,
- &mask, &value, &next_pos) != 4)
- return -EINVAL;
-
- attr->mask = cpu_to_be32(mask);
- attr->val = cpu_to_be32(value);
- if (mask)
- filter.num_attrs++;
-
- pos += next_pos;
- }
-
- mutex_lock(&mvm->mutex);
- memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
- &filter, sizeof(filter));
-
- /* send updated bcast filtering configuration */
- if (mvm->dbgfs_bcast_filtering.override &&
- iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
- err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
- sizeof(cmd), &cmd);
- mutex_unlock(&mvm->mutex);
-
- return err ?: count;
-}
-
-static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- struct iwl_bcast_filter_cmd cmd;
- char *buf;
- int bufsz = 1024;
- int i, pos = 0;
- ssize_t ret;
-
- buf = kzalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- mutex_lock(&mvm->mutex);
- if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
- ADD_TEXT("None\n");
- mutex_unlock(&mvm->mutex);
- goto out;
- }
- mutex_unlock(&mvm->mutex);
-
- for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
- const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
-
- ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
- i, mac->default_discard, mac->attached_filters);
- }
-out:
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
- return ret;
-}
-
-static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
- char *buf, size_t count,
- loff_t *ppos)
-{
- struct iwl_bcast_filter_cmd cmd;
- struct iwl_fw_bcast_mac mac = {};
- u32 mac_id, attached_filters;
- int err = 0;
-
- if (!mvm->bcast_filters)
- return -ENOENT;
-
- if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
- &attached_filters) != 3)
- return -EINVAL;
-
- if (mac_id >= ARRAY_SIZE(cmd.macs) ||
- mac.default_discard > 1 ||
- attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
- return -EINVAL;
-
- mac.attached_filters = cpu_to_le16(attached_filters);
-
- mutex_lock(&mvm->mutex);
- memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
- &mac, sizeof(mac));
-
- /* send updated bcast filtering configuration */
- if (mvm->dbgfs_bcast_filtering.override &&
- iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
- err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
- sizeof(cmd), &cmd);
- mutex_unlock(&mvm->mutex);
-
- return err ?: count;
-}
-#endif
-
-#ifdef CONFIG_PM_SLEEP
-static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int store;
-
- if (sscanf(buf, "%d", &store) != 1)
- return -EINVAL;
-
- mvm->store_d3_resume_sram = store;
-
- return count;
-}
-
-static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- const struct fw_img *img;
- int ofs, len, pos = 0;
- size_t bufsz, ret;
- char *buf;
- u8 *ptr = mvm->d3_resume_sram;
-
- img = &mvm->fw->img[IWL_UCODE_WOWLAN];
- len = img->sec[IWL_UCODE_SECTION_DATA].len;
-
- bufsz = len * 4 + 256;
- buf = kzalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
- mvm->store_d3_resume_sram ? "en" : "dis");
-
- if (ptr) {
- for (ofs = 0; ofs < len; ofs += 16) {
- pos += scnprintf(buf + pos, bufsz - pos,
- "0x%.4x %16ph\n", ofs, ptr + ofs);
- }
- } else {
- pos += scnprintf(buf + pos, bufsz - pos,
- "(no data captured)\n");
- }
-
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-
- kfree(buf);
-
- return ret;
-}
-#endif
-
-#define PRINT_MVM_REF(ref) do { \
- if (mvm->refs[ref]) \
- pos += scnprintf(buf + pos, bufsz - pos, \
- "\t(0x%lx): %d %s\n", \
- BIT(ref), mvm->refs[ref], #ref); \
-} while (0)
-
-static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- int i, pos = 0;
- char buf[256];
- const size_t bufsz = sizeof(buf);
- u32 refs = 0;
-
- for (i = 0; i < IWL_MVM_REF_COUNT; i++)
- if (mvm->refs[i])
- refs |= BIT(i);
-
- pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
- refs);
-
- PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
- PRINT_MVM_REF(IWL_MVM_REF_SCAN);
- PRINT_MVM_REF(IWL_MVM_REF_ROC);
- PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
- PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
- PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
- PRINT_MVM_REF(IWL_MVM_REF_USER);
- PRINT_MVM_REF(IWL_MVM_REF_TX);
- PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
- PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
- PRINT_MVM_REF(IWL_MVM_REF_START_AP);
- PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
- PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
- PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
- PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
- PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
- PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
- PRINT_MVM_REF(IWL_MVM_REF_NMI);
- PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
- PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
- PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
- PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- unsigned long value;
- int ret;
- bool taken;
-
- ret = kstrtoul(buf, 10, &value);
- if (ret < 0)
- return ret;
-
- mutex_lock(&mvm->mutex);
-
- taken = mvm->refs[IWL_MVM_REF_USER];
- if (value == 1 && !taken)
- iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
- else if (value == 0 && taken)
- iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
- else
- ret = -EINVAL;
-
- mutex_unlock(&mvm->mutex);
-
- if (ret < 0)
- return ret;
- return count;
-}
-
-#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
- _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
-#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
- _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
-#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
- if (!debugfs_create_file(alias, mode, parent, mvm, \
- &iwl_dbgfs_##name##_ops)) \
- goto err; \
- } while (0)
-#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
- MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
-
-static ssize_t
-iwl_dbgfs_prph_reg_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- int pos = 0;
- char buf[32];
- const size_t bufsz = sizeof(buf);
- int ret;
-
- if (!mvm->dbgfs_prph_reg_addr)
- return -EINVAL;
-
- ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
- if (ret)
- return ret;
-
- pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
- mvm->dbgfs_prph_reg_addr,
- iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
-
- iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t
-iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- u8 args;
- u32 value;
- int ret;
-
- args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
- /* if we only want to set the reg address - nothing more to do */
- if (args == 1)
- goto out;
-
- /* otherwise, make sure we have both address and value */
- if (args != 2)
- return -EINVAL;
-
- ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
- if (ret)
- return ret;
-
- iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
-
- iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
-out:
- return count;
-}
-
-static ssize_t
-iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
- size_t count, loff_t *ppos)
-{
- int ret;
-
- mutex_lock(&mvm->mutex);
- ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
-
-/* Device wide debugfs entries */
-MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
-MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
-MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
-MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
-MVM_DEBUGFS_READ_FILE_OPS(stations);
-MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
-MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
-MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
-MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
-MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
-MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
-MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
-MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
-MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8);
-
-#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
-#endif
-
-#ifdef CONFIG_PM_SLEEP
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
-#endif
-
-int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
-{
- struct dentry *bcast_dir __maybe_unused;
- char buf[100];
-
- spin_lock_init(&mvm->drv_stats_lock);
-
- mvm->debugfs_dir = dbgfs_dir;
-
- MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
- S_IWUSR | S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
- S_IWUSR | S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR);
- if (!debugfs_create_bool("enable_scan_iteration_notif",
- S_IRUSR | S_IWUSR,
- mvm->debugfs_dir,
- &mvm->scan_iter_notif_enabled))
- goto err;
-
-#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
- if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
- bcast_dir = debugfs_create_dir("bcast_filtering",
- mvm->debugfs_dir);
- if (!bcast_dir)
- goto err;
-
- if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
- bcast_dir,
- &mvm->dbgfs_bcast_filtering.override))
- goto err;
-
- MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
- bcast_dir, S_IWUSR | S_IRUSR);
- MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
- bcast_dir, S_IWUSR | S_IRUSR);
- }
-#endif
-
-#ifdef CONFIG_PM_SLEEP
- MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
- if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
- mvm->debugfs_dir, &mvm->d3_wake_sysassert))
- goto err;
- if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
- mvm->debugfs_dir, &mvm->last_netdetect_scans))
- goto err;
-#endif
-
- if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR,
- mvm->debugfs_dir,
- &mvm->low_latency_agg_frame_limit))
- goto err;
- if (!debugfs_create_u8("ps_disabled", S_IRUSR,
- mvm->debugfs_dir, &mvm->ps_disabled))
- goto err;
- if (!debugfs_create_blob("nvm_hw", S_IRUSR,
- mvm->debugfs_dir, &mvm->nvm_hw_blob))
- goto err;
- if (!debugfs_create_blob("nvm_sw", S_IRUSR,
- mvm->debugfs_dir, &mvm->nvm_sw_blob))
- goto err;
- if (!debugfs_create_blob("nvm_calib", S_IRUSR,
- mvm->debugfs_dir, &mvm->nvm_calib_blob))
- goto err;
- if (!debugfs_create_blob("nvm_prod", S_IRUSR,
- mvm->debugfs_dir, &mvm->nvm_prod_blob))
- goto err;
- if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR,
- mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
- goto err;
-
- /*
- * Create a symlink with mac80211. It will be removed when mac80211
- * exists (before the opmode exists which removes the target.)
- */
- snprintf(buf, 100, "../../%s/%s",
- dbgfs_dir->d_parent->d_parent->d_name.name,
- dbgfs_dir->d_parent->d_name.name);
- if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
- goto err;
-
- return 0;
-err:
- IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
- return -ENOMEM;
-}
projects / cascardo / linux.git / blobdiff