diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/file.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 154 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h | 84 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-modparams.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 4 |
7 files changed, 269 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile index 04e376cc898c..ff41987a7e35 100644 --- a/drivers/net/wireless/intel/iwlwifi/Makefile +++ b/drivers/net/wireless/intel/iwlwifi/Makefile @@ -11,6 +11,7 @@ iwlwifi-objs += pcie/ctxt-info.o pcie/ctxt-info-gen3.o iwlwifi-objs += pcie/trans-gen2.o pcie/tx-gen2.o iwlwifi-$(CONFIG_IWLDVM) += cfg/1000.o cfg/2000.o cfg/5000.o cfg/6000.o iwlwifi-$(CONFIG_IWLMVM) += cfg/7000.o cfg/8000.o cfg/9000.o cfg/22000.o +iwlwifi-objs += iwl-dbg-tlv.o iwlwifi-objs += iwl-trans.o iwlwifi-objs += fw/notif-wait.o iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o fw/smem.o fw/init.o fw/dbg.o diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 6005a41c53d1..81f557c0b58d 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -91,6 +91,8 @@ struct iwl_ucode_header { } u; }; +#define IWL_UCODE_INI_TLV_GROUP BIT(24) + /* * new TLV uCode file layout * @@ -141,6 +143,11 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_FW_GSCAN_CAPA = 50, IWL_UCODE_TLV_FW_MEM_SEG = 51, IWL_UCODE_TLV_IML = 52, + IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_INI_TLV_GROUP | 0x1, + IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_INI_TLV_GROUP | 0x2, + IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_INI_TLV_GROUP | 0x3, + IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_INI_TLV_GROUP | 0x4, + IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_INI_TLV_GROUP | 0x5, /* TLVs 0x1000-0x2000 are for internal driver usage */ IWL_UCODE_TLV_FW_DBG_DUMP_LST = 0x1000, diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c new file mode 100644 index 000000000000..acefd7d5d099 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -0,0 +1,154 @@ +/****************************************************************************** + * + * 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) 2018 Intel Corporation + * + * 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. + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <linuxwifi@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright (C) 2018 Intel Corporation + * 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/firmware.h> +#include "iwl-trans.h" +#include "iwl-dbg-tlv.h" + +void iwl_fw_dbg_copy_tlv(struct iwl_trans *trans, struct iwl_ucode_tlv *tlv) +{ + struct iwl_apply_point_data *data; + struct iwl_fw_ini_header *header = (void *)&tlv->data[0]; + u32 apply_point = le32_to_cpu(header->apply_point); + + int copy_size = le32_to_cpu(tlv->length) + sizeof(*tlv); + + if (WARN_ONCE(apply_point >= IWL_FW_INI_APPLY_NUM, + "Invalid apply point id %d\n", apply_point)) + return; + + data = &trans->apply_points[apply_point]; + + /* + * Make sure we still have room to copy this TLV. Offset points to the + * location the last copy ended. + */ + if (WARN_ONCE(data->offset + copy_size > data->size, + "Not enough memory for apply point %d\n", + apply_point)) + return; + + memcpy(data->data + data->offset, (void *)tlv, copy_size); + data->offset += copy_size; +} + +void iwl_alloc_dbg_tlv(struct iwl_trans *trans, size_t len, const u8 *data) +{ + struct iwl_ucode_tlv *tlv; + u32 size[IWL_FW_INI_APPLY_NUM] = {0}; + int i; + + while (len >= sizeof(*tlv)) { + u32 tlv_len, tlv_type, apply; + struct iwl_fw_ini_header *hdr; + + len -= sizeof(*tlv); + tlv = (void *)data; + + tlv_len = le32_to_cpu(tlv->length); + tlv_type = le32_to_cpu(tlv->type); + + if (len < tlv_len) + return; + + len -= ALIGN(tlv_len, 4); + data += sizeof(*tlv) + ALIGN(tlv_len, 4); + + if (!(tlv_type & IWL_UCODE_INI_TLV_GROUP)) + continue; + + hdr = (void *)&tlv->data[0]; + apply = le32_to_cpu(hdr->apply_point); + + if (WARN_ON(apply >= IWL_FW_INI_APPLY_NUM)) + continue; + + size[apply] += sizeof(*tlv) + tlv_len; + } + + for (i = 0; i < ARRAY_SIZE(size); i++) { + void *mem; + + if (!size[i]) + continue; + + mem = kzalloc(size[i], GFP_KERNEL); + + if (!mem) { + IWL_ERR(trans, "No memory for apply point %d\n", i); + return; + } + + trans->apply_points[i].data = mem; + trans->apply_points[i].size = size[i]; + } +} + +void iwl_fw_dbg_free(struct iwl_trans *trans) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(trans->apply_points); i++) { + kfree(trans->apply_points[i].data); + trans->apply_points[i].size = 0; + trans->apply_points[i].offset = 0; + } +} diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h new file mode 100644 index 000000000000..a368017af089 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h @@ -0,0 +1,84 @@ +/****************************************************************************** + * + * 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) 2018 Intel Corporation + * + * 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. + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <linuxwifi@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright (C) 2018 Intel Corporation + * 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. + * + *****************************************************************************/ +#ifndef __iwl_dbg_tlv_h__ +#define __iwl_dbg_tlv_h__ + +#include <linux/device.h> +#include <linux/types.h> + +/** + * struct iwl_apply_point_data + * @data: start address of this apply point data + * @size total size of the data + * @offset: current offset of the copied data + */ +struct iwl_apply_point_data { + void *data; + int size; + int offset; +}; + +struct iwl_trans; +void iwl_fw_dbg_free(struct iwl_trans *trans); +void iwl_fw_dbg_copy_tlv(struct iwl_trans *trans, struct iwl_ucode_tlv *tlv); +void iwl_alloc_dbg_tlv(struct iwl_trans *trans, size_t len, const u8 *data); + +#endif /* __iwl_dbg_tlv_h__*/ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index ba41d23b4211..a986e5795831 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -72,6 +72,7 @@ #include "iwl-op-mode.h" #include "iwl-agn-hw.h" #include "fw/img.h" +#include "iwl-dbg-tlv.h" #include "iwl-config.h" #include "iwl-modparams.h" @@ -645,6 +646,9 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, len -= sizeof(*ucode); + if (iwlwifi_mod_params.enable_ini) + iwl_alloc_dbg_tlv(drv->trans, len, data); + while (len >= sizeof(*tlv)) { len -= sizeof(*tlv); tlv = (void *)data; @@ -1086,6 +1090,13 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -ENOMEM; break; } + case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: + case IWL_UCODE_TLV_TYPE_HCMD: + case IWL_UCODE_TLV_TYPE_REGIONS: + case IWL_UCODE_TLV_TYPE_TRIGGERS: + case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: + if (iwlwifi_mod_params.enable_ini) + iwl_fw_dbg_copy_tlv(drv->trans, tlv); default: IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); break; @@ -1619,6 +1630,8 @@ void iwl_drv_stop(struct iwl_drv *drv) debugfs_remove_recursive(drv->dbgfs_drv); #endif + iwl_fw_dbg_free(drv->trans); + kfree(drv); } @@ -1749,6 +1762,10 @@ MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); +module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, + bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(enable_ini, + "Enable debug INI TLV FW debug infrastructure (default: 0"); /* * set bt_coex_active to true, uCode will do kill/defer diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h index 6fc8dac4aab7..73b1c46f1158 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h @@ -122,6 +122,7 @@ enum iwl_uapsd_disable { * @fw_monitor: allow to use firmware monitor * @disable_11ac: disable VHT capabilities, default = false. * @remove_when_gone: remove an inaccessible device from the PCIe bus. + * @enable_ini: enable new FW debug infratructure (INI TLVs) */ struct iwl_mod_params { int swcrypto; @@ -148,6 +149,7 @@ struct iwl_mod_params { */ bool disable_11ax; bool remove_when_gone; + bool enable_ini; }; #endif /* #__iwl_modparams_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index b0300e824815..08512305c5ac 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -73,6 +73,8 @@ #include "iwl-op-mode.h" #include "fw/api/cmdhdr.h" #include "fw/api/txq.h" +#include "fw/api/dbg-tlv.h" +#include "iwl-dbg-tlv.h" /** * DOC: Transport layer - what is it ? @@ -773,6 +775,8 @@ struct iwl_trans { struct lockdep_map sync_cmd_lockdep_map; #endif + struct iwl_apply_point_data apply_points[IWL_FW_INI_APPLY_NUM]; + const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv; const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; struct iwl_fw_dbg_trigger_tlv * const *dbg_trigger_tlv; |