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author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-17 20:57:38 +0200 |
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committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 14:28:30 +0200 |
commit | e705c12146aa9c69ca498d4ebb83ba7138f9b41f (patch) | |
tree | b55d4eb7a83c2ec117f460684eb71c89eee6a709 /drivers/net/wireless/iwlwifi/mvm/debugfs.c | |
parent | 7ac9a364c1721a863ecc6cc9aba66e10114908db (diff) | |
download | linux-e705c12146aa9c69ca498d4ebb83ba7138f9b41f.tar.gz linux-e705c12146aa9c69ca498d4ebb83ba7138f9b41f.tar.bz2 linux-e705c12146aa9c69ca498d4ebb83ba7138f9b41f.zip |
iwlwifi: move under intel vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.c | 1516 |
1 files changed, 0 insertions, 1516 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c deleted file mode 100644 index 05928fb4021d..000000000000 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ /dev/null @@ -1,1516 +0,0 @@ -/****************************************************************************** - * - * 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; -} |