forked from Minki/linux
51368bf792
Happy new year! Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
744 lines
24 KiB
C
744 lines
24 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#include "mvm.h"
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#include "sta.h"
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#include "iwl-io.h"
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#include "iwl-prph.h"
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#include "debugfs.h"
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static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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int ret;
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u32 scd_q_msk;
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if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
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return -EIO;
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if (sscanf(buf, "%x", &scd_q_msk) != 1)
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return -EINVAL;
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IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
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mutex_lock(&mvm->mutex);
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ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count;
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mutex_unlock(&mvm->mutex);
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return ret;
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}
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static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_sta *sta;
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int sta_id, drain, ret;
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if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
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return -EIO;
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if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
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return -EINVAL;
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if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
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return -EINVAL;
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if (drain < 0 || drain > 1)
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return -EINVAL;
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mutex_lock(&mvm->mutex);
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sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
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lockdep_is_held(&mvm->mutex));
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if (IS_ERR_OR_NULL(sta))
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ret = -ENOENT;
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else
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ret = iwl_mvm_drain_sta(mvm, (void *)sta->drv_priv, drain) ? :
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count;
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mutex_unlock(&mvm->mutex);
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return ret;
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}
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static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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const struct fw_img *img;
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unsigned int ofs, len;
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size_t ret;
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u8 *ptr;
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if (!mvm->ucode_loaded)
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return -EINVAL;
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/* default is to dump the entire data segment */
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img = &mvm->fw->img[mvm->cur_ucode];
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ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
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len = img->sec[IWL_UCODE_SECTION_DATA].len;
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if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) {
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ofs = mvm->dbgfs_sram_offset;
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len = mvm->dbgfs_sram_len;
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}
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ptr = kzalloc(len, GFP_KERNEL);
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if (!ptr)
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return -ENOMEM;
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iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
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ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
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kfree(ptr);
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return ret;
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}
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static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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const struct fw_img *img;
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u32 offset, len;
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u32 img_offset, img_len;
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if (!mvm->ucode_loaded)
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return -EINVAL;
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img = &mvm->fw->img[mvm->cur_ucode];
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img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
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img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
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if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
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if ((offset & 0x3) || (len & 0x3))
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return -EINVAL;
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if (offset + len > img_offset + img_len)
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return -EINVAL;
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mvm->dbgfs_sram_offset = offset;
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mvm->dbgfs_sram_len = len;
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} else {
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mvm->dbgfs_sram_offset = 0;
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mvm->dbgfs_sram_len = 0;
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}
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return count;
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}
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static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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struct ieee80211_sta *sta;
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char buf[400];
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int i, pos = 0, bufsz = sizeof(buf);
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mutex_lock(&mvm->mutex);
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for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
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pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
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sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
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lockdep_is_held(&mvm->mutex));
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if (!sta)
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pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
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else if (IS_ERR(sta))
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pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
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PTR_ERR(sta));
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else
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pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
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sta->addr);
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}
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mutex_unlock(&mvm->mutex);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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char buf[64];
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int bufsz = sizeof(buf);
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int pos = 0;
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pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
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mvm->disable_power_off);
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pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
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mvm->disable_power_off_d3);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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int ret, val;
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if (!mvm->ucode_loaded)
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return -EIO;
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if (!strncmp("disable_power_off_d0=", buf, 21)) {
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if (sscanf(buf + 21, "%d", &val) != 1)
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return -EINVAL;
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mvm->disable_power_off = val;
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} else if (!strncmp("disable_power_off_d3=", buf, 21)) {
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if (sscanf(buf + 21, "%d", &val) != 1)
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return -EINVAL;
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mvm->disable_power_off_d3 = val;
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} else {
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return -EINVAL;
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}
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mutex_lock(&mvm->mutex);
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ret = iwl_mvm_power_update_device_mode(mvm);
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mutex_unlock(&mvm->mutex);
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return ret ?: count;
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}
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#define BT_MBOX_MSG(_notif, _num, _field) \
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((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
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>> BT_MBOX##_num##_##_field##_POS)
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#define BT_MBOX_PRINT(_num, _field, _end) \
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pos += scnprintf(buf + pos, bufsz - pos, \
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"\t%s: %d%s", \
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#_field, \
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BT_MBOX_MSG(notif, _num, _field), \
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true ? "\n" : ", ");
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static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
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char *buf;
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int ret, pos = 0, bufsz = sizeof(char) * 1024;
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buf = kmalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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mutex_lock(&mvm->mutex);
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pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
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BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
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BT_MBOX_PRINT(0, LE_PROF1, false);
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BT_MBOX_PRINT(0, LE_PROF2, false);
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BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
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BT_MBOX_PRINT(0, CHL_SEQ_N, false);
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BT_MBOX_PRINT(0, INBAND_S, false);
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BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
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BT_MBOX_PRINT(0, LE_SCAN, false);
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BT_MBOX_PRINT(0, LE_ADV, false);
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BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
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BT_MBOX_PRINT(0, OPEN_CON_1, true);
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pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
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BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
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BT_MBOX_PRINT(1, IP_SR, false);
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BT_MBOX_PRINT(1, LE_MSTR, false);
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BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
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BT_MBOX_PRINT(1, MSG_TYPE, false);
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BT_MBOX_PRINT(1, SSN, true);
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pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
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BT_MBOX_PRINT(2, SNIFF_ACT, false);
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BT_MBOX_PRINT(2, PAG, false);
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BT_MBOX_PRINT(2, INQUIRY, false);
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BT_MBOX_PRINT(2, CONN, false);
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BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
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BT_MBOX_PRINT(2, DISC, false);
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BT_MBOX_PRINT(2, SCO_TX_ACT, false);
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BT_MBOX_PRINT(2, SCO_RX_ACT, false);
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BT_MBOX_PRINT(2, ESCO_RE_TX, false);
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BT_MBOX_PRINT(2, SCO_DURATION, true);
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pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
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BT_MBOX_PRINT(3, SCO_STATE, false);
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BT_MBOX_PRINT(3, SNIFF_STATE, false);
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BT_MBOX_PRINT(3, A2DP_STATE, false);
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BT_MBOX_PRINT(3, ACL_STATE, false);
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BT_MBOX_PRINT(3, MSTR_STATE, false);
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BT_MBOX_PRINT(3, OBX_STATE, false);
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BT_MBOX_PRINT(3, OPEN_CON_2, false);
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BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
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BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
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BT_MBOX_PRINT(3, INBAND_P, false);
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BT_MBOX_PRINT(3, MSG_TYPE_2, false);
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BT_MBOX_PRINT(3, SSN_2, false);
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BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
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pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n",
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notif->bt_status);
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pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n",
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notif->bt_open_conn);
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pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n",
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notif->bt_traffic_load);
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pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n",
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notif->bt_agg_traffic_load);
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pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
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notif->bt_ci_compliance);
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pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
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le32_to_cpu(notif->primary_ch_lut));
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pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
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le32_to_cpu(notif->secondary_ch_lut));
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pos += scnprintf(buf+pos, bufsz-pos, "bt_activity_grading = %d\n",
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le32_to_cpu(notif->bt_activity_grading));
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mutex_unlock(&mvm->mutex);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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kfree(buf);
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return ret;
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}
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#undef BT_MBOX_PRINT
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static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
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char buf[256];
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int bufsz = sizeof(buf);
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int pos = 0;
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mutex_lock(&mvm->mutex);
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pos += scnprintf(buf+pos, bufsz-pos, "Channel inhibition CMD\n");
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pos += scnprintf(buf+pos, bufsz-pos,
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"\tPrimary Channel Bitmap 0x%016llx Fat: %d\n",
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le64_to_cpu(cmd->bt_primary_ci),
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!!cmd->co_run_bw_primary);
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pos += scnprintf(buf+pos, bufsz-pos,
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"\tSecondary Channel Bitmap 0x%016llx Fat: %d\n",
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le64_to_cpu(cmd->bt_secondary_ci),
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!!cmd->co_run_bw_secondary);
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pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
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pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n",
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iwl_bt_ack_kill_msk[mvm->bt_kill_msk]);
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pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n",
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iwl_bt_cts_kill_msk[mvm->bt_kill_msk]);
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mutex_unlock(&mvm->mutex);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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#define PRINT_STATS_LE32(_str, _val) \
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pos += scnprintf(buf + pos, bufsz - pos, \
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fmt_table, _str, \
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le32_to_cpu(_val))
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static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
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char __user *user_buf, size_t count,
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loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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static const char *fmt_table = "\t%-30s %10u\n";
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static const char *fmt_header = "%-32s\n";
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int pos = 0;
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char *buf;
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int ret;
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/* 43 is the size of each data line, 33 is the size of each header */
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size_t bufsz =
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((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
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(4 * 33) + 1;
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struct mvm_statistics_rx_phy *ofdm;
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struct mvm_statistics_rx_phy *cck;
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struct mvm_statistics_rx_non_phy *general;
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struct mvm_statistics_rx_ht_phy *ht;
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buf = kzalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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mutex_lock(&mvm->mutex);
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ofdm = &mvm->rx_stats.ofdm;
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cck = &mvm->rx_stats.cck;
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general = &mvm->rx_stats.general;
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ht = &mvm->rx_stats.ofdm_ht;
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pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
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"Statistics_Rx - OFDM");
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PRINT_STATS_LE32("ina_cnt", ofdm->ina_cnt);
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PRINT_STATS_LE32("fina_cnt", ofdm->fina_cnt);
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PRINT_STATS_LE32("plcp_err", ofdm->plcp_err);
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PRINT_STATS_LE32("crc32_err", ofdm->crc32_err);
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PRINT_STATS_LE32("overrun_err", ofdm->overrun_err);
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PRINT_STATS_LE32("early_overrun_err", ofdm->early_overrun_err);
|
|
PRINT_STATS_LE32("crc32_good", ofdm->crc32_good);
|
|
PRINT_STATS_LE32("false_alarm_cnt", ofdm->false_alarm_cnt);
|
|
PRINT_STATS_LE32("fina_sync_err_cnt", ofdm->fina_sync_err_cnt);
|
|
PRINT_STATS_LE32("sfd_timeout", ofdm->sfd_timeout);
|
|
PRINT_STATS_LE32("fina_timeout", ofdm->fina_timeout);
|
|
PRINT_STATS_LE32("unresponded_rts", ofdm->unresponded_rts);
|
|
PRINT_STATS_LE32("rxe_frame_lmt_overrun",
|
|
ofdm->rxe_frame_limit_overrun);
|
|
PRINT_STATS_LE32("sent_ack_cnt", ofdm->sent_ack_cnt);
|
|
PRINT_STATS_LE32("sent_cts_cnt", ofdm->sent_cts_cnt);
|
|
PRINT_STATS_LE32("sent_ba_rsp_cnt", ofdm->sent_ba_rsp_cnt);
|
|
PRINT_STATS_LE32("dsp_self_kill", ofdm->dsp_self_kill);
|
|
PRINT_STATS_LE32("mh_format_err", ofdm->mh_format_err);
|
|
PRINT_STATS_LE32("re_acq_main_rssi_sum", ofdm->re_acq_main_rssi_sum);
|
|
PRINT_STATS_LE32("reserved", ofdm->reserved);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - CCK");
|
|
PRINT_STATS_LE32("ina_cnt", cck->ina_cnt);
|
|
PRINT_STATS_LE32("fina_cnt", cck->fina_cnt);
|
|
PRINT_STATS_LE32("plcp_err", cck->plcp_err);
|
|
PRINT_STATS_LE32("crc32_err", cck->crc32_err);
|
|
PRINT_STATS_LE32("overrun_err", cck->overrun_err);
|
|
PRINT_STATS_LE32("early_overrun_err", cck->early_overrun_err);
|
|
PRINT_STATS_LE32("crc32_good", cck->crc32_good);
|
|
PRINT_STATS_LE32("false_alarm_cnt", cck->false_alarm_cnt);
|
|
PRINT_STATS_LE32("fina_sync_err_cnt", cck->fina_sync_err_cnt);
|
|
PRINT_STATS_LE32("sfd_timeout", cck->sfd_timeout);
|
|
PRINT_STATS_LE32("fina_timeout", cck->fina_timeout);
|
|
PRINT_STATS_LE32("unresponded_rts", cck->unresponded_rts);
|
|
PRINT_STATS_LE32("rxe_frame_lmt_overrun",
|
|
cck->rxe_frame_limit_overrun);
|
|
PRINT_STATS_LE32("sent_ack_cnt", cck->sent_ack_cnt);
|
|
PRINT_STATS_LE32("sent_cts_cnt", cck->sent_cts_cnt);
|
|
PRINT_STATS_LE32("sent_ba_rsp_cnt", cck->sent_ba_rsp_cnt);
|
|
PRINT_STATS_LE32("dsp_self_kill", cck->dsp_self_kill);
|
|
PRINT_STATS_LE32("mh_format_err", cck->mh_format_err);
|
|
PRINT_STATS_LE32("re_acq_main_rssi_sum", cck->re_acq_main_rssi_sum);
|
|
PRINT_STATS_LE32("reserved", cck->reserved);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - GENERAL");
|
|
PRINT_STATS_LE32("bogus_cts", general->bogus_cts);
|
|
PRINT_STATS_LE32("bogus_ack", general->bogus_ack);
|
|
PRINT_STATS_LE32("non_bssid_frames", general->non_bssid_frames);
|
|
PRINT_STATS_LE32("filtered_frames", general->filtered_frames);
|
|
PRINT_STATS_LE32("non_channel_beacons", general->non_channel_beacons);
|
|
PRINT_STATS_LE32("channel_beacons", general->channel_beacons);
|
|
PRINT_STATS_LE32("num_missed_bcon", general->num_missed_bcon);
|
|
PRINT_STATS_LE32("adc_rx_saturation_time",
|
|
general->adc_rx_saturation_time);
|
|
PRINT_STATS_LE32("ina_detection_search_time",
|
|
general->ina_detection_search_time);
|
|
PRINT_STATS_LE32("beacon_silence_rssi_a",
|
|
general->beacon_silence_rssi_a);
|
|
PRINT_STATS_LE32("beacon_silence_rssi_b",
|
|
general->beacon_silence_rssi_b);
|
|
PRINT_STATS_LE32("beacon_silence_rssi_c",
|
|
general->beacon_silence_rssi_c);
|
|
PRINT_STATS_LE32("interference_data_flag",
|
|
general->interference_data_flag);
|
|
PRINT_STATS_LE32("channel_load", general->channel_load);
|
|
PRINT_STATS_LE32("dsp_false_alarms", general->dsp_false_alarms);
|
|
PRINT_STATS_LE32("beacon_rssi_a", general->beacon_rssi_a);
|
|
PRINT_STATS_LE32("beacon_rssi_b", general->beacon_rssi_b);
|
|
PRINT_STATS_LE32("beacon_rssi_c", general->beacon_rssi_c);
|
|
PRINT_STATS_LE32("beacon_energy_a", general->beacon_energy_a);
|
|
PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b);
|
|
PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c);
|
|
PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills);
|
|
PRINT_STATS_LE32("mac_id", general->mac_id);
|
|
PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - HT");
|
|
PRINT_STATS_LE32("plcp_err", ht->plcp_err);
|
|
PRINT_STATS_LE32("overrun_err", ht->overrun_err);
|
|
PRINT_STATS_LE32("early_overrun_err", ht->early_overrun_err);
|
|
PRINT_STATS_LE32("crc32_good", ht->crc32_good);
|
|
PRINT_STATS_LE32("crc32_err", ht->crc32_err);
|
|
PRINT_STATS_LE32("mh_format_err", ht->mh_format_err);
|
|
PRINT_STATS_LE32("agg_crc32_good", ht->agg_crc32_good);
|
|
PRINT_STATS_LE32("agg_mpdu_cnt", ht->agg_mpdu_cnt);
|
|
PRINT_STATS_LE32("agg_cnt", ht->agg_cnt);
|
|
PRINT_STATS_LE32("unsupport_mcs", 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_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, CMD_SYNC, 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)
|
|
{
|
|
iwl_write_prph(mvm->trans, DEVICE_SET_NMI_REG, 1);
|
|
|
|
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_fw_valid_rx_ant(mvm->fw))
|
|
return -EINVAL;
|
|
|
|
mvm->scan_rx_ant = scan_rx_ant;
|
|
|
|
return count;
|
|
}
|
|
|
|
#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 ", ofs);
|
|
hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
|
|
bufsz - pos, false);
|
|
pos += strlen(buf + pos);
|
|
if (bufsz - pos > 0)
|
|
buf[pos++] = '\n';
|
|
}
|
|
} 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 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(name, parent, mode) do { \
|
|
if (!debugfs_create_file(#name, mode, parent, mvm, \
|
|
&iwl_dbgfs_##name##_ops)) \
|
|
goto err; \
|
|
} while (0)
|
|
|
|
/* Device wide debugfs entries */
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
|
|
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_WRITE_FILE_OPS(fw_restart, 10);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
|
|
|
|
#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)
|
|
{
|
|
char buf[100];
|
|
|
|
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(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);
|
|
if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)
|
|
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(fw_restart, mvm->debugfs_dir, S_IWUSR);
|
|
MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
|
|
MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
|
|
S_IWUSR | S_IRUSR);
|
|
#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;
|
|
#endif
|
|
|
|
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;
|
|
|
|
/*
|
|
* 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;
|
|
}
|