@@ -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
@@ -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,
new file mode 100644
@@ -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;
+ }
+}
new file mode 100644
@@ -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__*/
@@ -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
@@ -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__ */
@@ -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;