17174beb6SJohannes Berg /****************************************************************************** 27174beb6SJohannes Berg * 37174beb6SJohannes Berg * This file is provided under a dual BSD/GPLv2 license. When using or 47174beb6SJohannes Berg * redistributing this file, you may do so under either license. 57174beb6SJohannes Berg * 67174beb6SJohannes Berg * GPL LICENSE SUMMARY 77174beb6SJohannes Berg * 87174beb6SJohannes Berg * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. 97174beb6SJohannes Berg * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 107174beb6SJohannes Berg * Copyright(c) 2015 - 2017 Intel Deutschland GmbH 118745f12aSShaul Triebitz * Copyright(c) 2018 Intel Corporation 127174beb6SJohannes Berg * 137174beb6SJohannes Berg * This program is free software; you can redistribute it and/or modify 147174beb6SJohannes Berg * it under the terms of version 2 of the GNU General Public License as 157174beb6SJohannes Berg * published by the Free Software Foundation. 167174beb6SJohannes Berg * 177174beb6SJohannes Berg * This program is distributed in the hope that it will be useful, but 187174beb6SJohannes Berg * WITHOUT ANY WARRANTY; without even the implied warranty of 197174beb6SJohannes Berg * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 207174beb6SJohannes Berg * General Public License for more details. 217174beb6SJohannes Berg * 227174beb6SJohannes Berg * The full GNU General Public License is included in this distribution 237174beb6SJohannes Berg * in the file called COPYING. 247174beb6SJohannes Berg * 257174beb6SJohannes Berg * Contact Information: 267174beb6SJohannes Berg * Intel Linux Wireless <linuxwifi@intel.com> 277174beb6SJohannes Berg * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 287174beb6SJohannes Berg * 297174beb6SJohannes Berg * BSD LICENSE 307174beb6SJohannes Berg * 317174beb6SJohannes Berg * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 327174beb6SJohannes Berg * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 337174beb6SJohannes Berg * Copyright(c) 2015 - 2017 Intel Deutschland GmbH 348745f12aSShaul Triebitz * Copyright(c) 2018 Intel Corporation 357174beb6SJohannes Berg * All rights reserved. 367174beb6SJohannes Berg * 377174beb6SJohannes Berg * Redistribution and use in source and binary forms, with or without 387174beb6SJohannes Berg * modification, are permitted provided that the following conditions 397174beb6SJohannes Berg * are met: 407174beb6SJohannes Berg * 417174beb6SJohannes Berg * * Redistributions of source code must retain the above copyright 427174beb6SJohannes Berg * notice, this list of conditions and the following disclaimer. 437174beb6SJohannes Berg * * Redistributions in binary form must reproduce the above copyright 447174beb6SJohannes Berg * notice, this list of conditions and the following disclaimer in 457174beb6SJohannes Berg * the documentation and/or other materials provided with the 467174beb6SJohannes Berg * distribution. 477174beb6SJohannes Berg * * Neither the name Intel Corporation nor the names of its 487174beb6SJohannes Berg * contributors may be used to endorse or promote products derived 497174beb6SJohannes Berg * from this software without specific prior written permission. 507174beb6SJohannes Berg * 517174beb6SJohannes Berg * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 527174beb6SJohannes Berg * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 537174beb6SJohannes Berg * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 547174beb6SJohannes Berg * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 557174beb6SJohannes Berg * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 567174beb6SJohannes Berg * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 577174beb6SJohannes Berg * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 587174beb6SJohannes Berg * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 597174beb6SJohannes Berg * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 607174beb6SJohannes Berg * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 617174beb6SJohannes Berg * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 627174beb6SJohannes Berg * 637174beb6SJohannes Berg *****************************************************************************/ 647174beb6SJohannes Berg #include <linux/devcoredump.h> 657174beb6SJohannes Berg #include "iwl-drv.h" 667174beb6SJohannes Berg #include "runtime.h" 677174beb6SJohannes Berg #include "dbg.h" 68759931c7SMordechay Goodstein #include "debugfs.h" 697174beb6SJohannes Berg #include "iwl-io.h" 707174beb6SJohannes Berg #include "iwl-prph.h" 717174beb6SJohannes Berg #include "iwl-csr.h" 727174beb6SJohannes Berg 737174beb6SJohannes Berg /** 747174beb6SJohannes Berg * struct iwl_fw_dump_ptrs - set of pointers needed for the fw-error-dump 757174beb6SJohannes Berg * 767174beb6SJohannes Berg * @fwrt_ptr: pointer to the buffer coming from fwrt 777174beb6SJohannes Berg * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the 787174beb6SJohannes Berg * transport's data. 797174beb6SJohannes Berg * @trans_len: length of the valid data in trans_ptr 807174beb6SJohannes Berg * @fwrt_len: length of the valid data in fwrt_ptr 817174beb6SJohannes Berg */ 827174beb6SJohannes Berg struct iwl_fw_dump_ptrs { 837174beb6SJohannes Berg struct iwl_trans_dump_data *trans_ptr; 847174beb6SJohannes Berg void *fwrt_ptr; 857174beb6SJohannes Berg u32 fwrt_len; 867174beb6SJohannes Berg }; 877174beb6SJohannes Berg 887174beb6SJohannes Berg #define RADIO_REG_MAX_READ 0x2ad 897174beb6SJohannes Berg static void iwl_read_radio_regs(struct iwl_fw_runtime *fwrt, 907174beb6SJohannes Berg struct iwl_fw_error_dump_data **dump_data) 917174beb6SJohannes Berg { 927174beb6SJohannes Berg u8 *pos = (void *)(*dump_data)->data; 937174beb6SJohannes Berg unsigned long flags; 947174beb6SJohannes Berg int i; 957174beb6SJohannes Berg 96b88beaf9SIlan Peer IWL_DEBUG_INFO(fwrt, "WRT radio registers dump\n"); 97b88beaf9SIlan Peer 987174beb6SJohannes Berg if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) 997174beb6SJohannes Berg return; 1007174beb6SJohannes Berg 1017174beb6SJohannes Berg (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RADIO_REG); 1027174beb6SJohannes Berg (*dump_data)->len = cpu_to_le32(RADIO_REG_MAX_READ); 1037174beb6SJohannes Berg 1047174beb6SJohannes Berg for (i = 0; i < RADIO_REG_MAX_READ; i++) { 1057174beb6SJohannes Berg u32 rd_cmd = RADIO_RSP_RD_CMD; 1067174beb6SJohannes Berg 1077174beb6SJohannes Berg rd_cmd |= i << RADIO_RSP_ADDR_POS; 1087174beb6SJohannes Berg iwl_write_prph_no_grab(fwrt->trans, RSP_RADIO_CMD, rd_cmd); 1097174beb6SJohannes Berg *pos = (u8)iwl_read_prph_no_grab(fwrt->trans, RSP_RADIO_RDDAT); 1107174beb6SJohannes Berg 1117174beb6SJohannes Berg pos++; 1127174beb6SJohannes Berg } 1137174beb6SJohannes Berg 1147174beb6SJohannes Berg *dump_data = iwl_fw_error_next_data(*dump_data); 1157174beb6SJohannes Berg 1167174beb6SJohannes Berg iwl_trans_release_nic_access(fwrt->trans, &flags); 1177174beb6SJohannes Berg } 1187174beb6SJohannes Berg 1197174beb6SJohannes Berg static void iwl_fwrt_dump_rxf(struct iwl_fw_runtime *fwrt, 1207174beb6SJohannes Berg struct iwl_fw_error_dump_data **dump_data, 1217174beb6SJohannes Berg int size, u32 offset, int fifo_num) 1227174beb6SJohannes Berg { 1237174beb6SJohannes Berg struct iwl_fw_error_dump_fifo *fifo_hdr; 1247174beb6SJohannes Berg u32 *fifo_data; 1257174beb6SJohannes Berg u32 fifo_len; 1267174beb6SJohannes Berg int i; 1277174beb6SJohannes Berg 1287174beb6SJohannes Berg fifo_hdr = (void *)(*dump_data)->data; 1297174beb6SJohannes Berg fifo_data = (void *)fifo_hdr->data; 1307174beb6SJohannes Berg fifo_len = size; 1317174beb6SJohannes Berg 1327174beb6SJohannes Berg /* No need to try to read the data if the length is 0 */ 1337174beb6SJohannes Berg if (fifo_len == 0) 1347174beb6SJohannes Berg return; 1357174beb6SJohannes Berg 1367174beb6SJohannes Berg /* Add a TLV for the RXF */ 1377174beb6SJohannes Berg (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF); 1387174beb6SJohannes Berg (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr)); 1397174beb6SJohannes Berg 1407174beb6SJohannes Berg fifo_hdr->fifo_num = cpu_to_le32(fifo_num); 1417174beb6SJohannes Berg fifo_hdr->available_bytes = 1427174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 1437174beb6SJohannes Berg RXF_RD_D_SPACE + offset)); 1447174beb6SJohannes Berg fifo_hdr->wr_ptr = 1457174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 1467174beb6SJohannes Berg RXF_RD_WR_PTR + offset)); 1477174beb6SJohannes Berg fifo_hdr->rd_ptr = 1487174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 1497174beb6SJohannes Berg RXF_RD_RD_PTR + offset)); 1507174beb6SJohannes Berg fifo_hdr->fence_ptr = 1517174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 1527174beb6SJohannes Berg RXF_RD_FENCE_PTR + offset)); 1537174beb6SJohannes Berg fifo_hdr->fence_mode = 1547174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 1557174beb6SJohannes Berg RXF_SET_FENCE_MODE + offset)); 1567174beb6SJohannes Berg 1577174beb6SJohannes Berg /* Lock fence */ 1587174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, RXF_SET_FENCE_MODE + offset, 0x1); 1597174beb6SJohannes Berg /* Set fence pointer to the same place like WR pointer */ 1607174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, RXF_LD_WR2FENCE + offset, 0x1); 1617174beb6SJohannes Berg /* Set fence offset */ 1627174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, 1637174beb6SJohannes Berg RXF_LD_FENCE_OFFSET_ADDR + offset, 0x0); 1647174beb6SJohannes Berg 1657174beb6SJohannes Berg /* Read FIFO */ 1667174beb6SJohannes Berg fifo_len /= sizeof(u32); /* Size in DWORDS */ 1677174beb6SJohannes Berg for (i = 0; i < fifo_len; i++) 1687174beb6SJohannes Berg fifo_data[i] = iwl_trans_read_prph(fwrt->trans, 1697174beb6SJohannes Berg RXF_FIFO_RD_FENCE_INC + 1707174beb6SJohannes Berg offset); 1717174beb6SJohannes Berg *dump_data = iwl_fw_error_next_data(*dump_data); 1727174beb6SJohannes Berg } 1737174beb6SJohannes Berg 1747174beb6SJohannes Berg static void iwl_fwrt_dump_txf(struct iwl_fw_runtime *fwrt, 1757174beb6SJohannes Berg struct iwl_fw_error_dump_data **dump_data, 1767174beb6SJohannes Berg int size, u32 offset, int fifo_num) 1777174beb6SJohannes Berg { 1787174beb6SJohannes Berg struct iwl_fw_error_dump_fifo *fifo_hdr; 1797174beb6SJohannes Berg u32 *fifo_data; 1807174beb6SJohannes Berg u32 fifo_len; 1817174beb6SJohannes Berg int i; 1827174beb6SJohannes Berg 1837174beb6SJohannes Berg fifo_hdr = (void *)(*dump_data)->data; 1847174beb6SJohannes Berg fifo_data = (void *)fifo_hdr->data; 1857174beb6SJohannes Berg fifo_len = size; 1867174beb6SJohannes Berg 1877174beb6SJohannes Berg /* No need to try to read the data if the length is 0 */ 1887174beb6SJohannes Berg if (fifo_len == 0) 1897174beb6SJohannes Berg return; 1907174beb6SJohannes Berg 1917174beb6SJohannes Berg /* Add a TLV for the FIFO */ 1927174beb6SJohannes Berg (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF); 1937174beb6SJohannes Berg (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr)); 1947174beb6SJohannes Berg 1957174beb6SJohannes Berg fifo_hdr->fifo_num = cpu_to_le32(fifo_num); 1967174beb6SJohannes Berg fifo_hdr->available_bytes = 1977174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 1987174beb6SJohannes Berg TXF_FIFO_ITEM_CNT + offset)); 1997174beb6SJohannes Berg fifo_hdr->wr_ptr = 2007174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 2017174beb6SJohannes Berg TXF_WR_PTR + offset)); 2027174beb6SJohannes Berg fifo_hdr->rd_ptr = 2037174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 2047174beb6SJohannes Berg TXF_RD_PTR + offset)); 2057174beb6SJohannes Berg fifo_hdr->fence_ptr = 2067174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 2077174beb6SJohannes Berg TXF_FENCE_PTR + offset)); 2087174beb6SJohannes Berg fifo_hdr->fence_mode = 2097174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 2107174beb6SJohannes Berg TXF_LOCK_FENCE + offset)); 2117174beb6SJohannes Berg 2127174beb6SJohannes Berg /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */ 2137174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, TXF_READ_MODIFY_ADDR + offset, 2147174beb6SJohannes Berg TXF_WR_PTR + offset); 2157174beb6SJohannes Berg 2167174beb6SJohannes Berg /* Dummy-read to advance the read pointer to the head */ 2177174beb6SJohannes Berg iwl_trans_read_prph(fwrt->trans, TXF_READ_MODIFY_DATA + offset); 2187174beb6SJohannes Berg 2197174beb6SJohannes Berg /* Read FIFO */ 2207174beb6SJohannes Berg fifo_len /= sizeof(u32); /* Size in DWORDS */ 2217174beb6SJohannes Berg for (i = 0; i < fifo_len; i++) 2227174beb6SJohannes Berg fifo_data[i] = iwl_trans_read_prph(fwrt->trans, 2237174beb6SJohannes Berg TXF_READ_MODIFY_DATA + 2247174beb6SJohannes Berg offset); 2257174beb6SJohannes Berg *dump_data = iwl_fw_error_next_data(*dump_data); 2267174beb6SJohannes Berg } 2277174beb6SJohannes Berg 22832b258e9SSara Sharon static void iwl_fw_dump_rxf(struct iwl_fw_runtime *fwrt, 2297174beb6SJohannes Berg struct iwl_fw_error_dump_data **dump_data) 2307174beb6SJohannes Berg { 2317174beb6SJohannes Berg struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; 2327174beb6SJohannes Berg unsigned long flags; 2337174beb6SJohannes Berg 23432b258e9SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT RX FIFO dump\n"); 235b88beaf9SIlan Peer 2367174beb6SJohannes Berg if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) 2377174beb6SJohannes Berg return; 2387174beb6SJohannes Berg 239e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RXF)) { 2407174beb6SJohannes Berg /* Pull RXF1 */ 241520f03eaSShahar S Matityahu iwl_fwrt_dump_rxf(fwrt, dump_data, 242520f03eaSShahar S Matityahu cfg->lmac[0].rxfifo1_size, 0, 0); 2437174beb6SJohannes Berg /* Pull RXF2 */ 2447174beb6SJohannes Berg iwl_fwrt_dump_rxf(fwrt, dump_data, cfg->rxfifo2_size, 2457174beb6SJohannes Berg RXF_DIFF_FROM_PREV, 1); 2467174beb6SJohannes Berg /* Pull LMAC2 RXF1 */ 2477174beb6SJohannes Berg if (fwrt->smem_cfg.num_lmacs > 1) 248520f03eaSShahar S Matityahu iwl_fwrt_dump_rxf(fwrt, dump_data, 249520f03eaSShahar S Matityahu cfg->lmac[1].rxfifo1_size, 2507174beb6SJohannes Berg LMAC2_PRPH_OFFSET, 2); 251520f03eaSShahar S Matityahu } 2527174beb6SJohannes Berg 25332b258e9SSara Sharon iwl_trans_release_nic_access(fwrt->trans, &flags); 25432b258e9SSara Sharon } 25532b258e9SSara Sharon 25632b258e9SSara Sharon static void iwl_fw_dump_txf(struct iwl_fw_runtime *fwrt, 25732b258e9SSara Sharon struct iwl_fw_error_dump_data **dump_data) 25832b258e9SSara Sharon { 25932b258e9SSara Sharon struct iwl_fw_error_dump_fifo *fifo_hdr; 26032b258e9SSara Sharon struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; 26132b258e9SSara Sharon u32 *fifo_data; 26232b258e9SSara Sharon u32 fifo_len; 26332b258e9SSara Sharon unsigned long flags; 26432b258e9SSara Sharon int i, j; 26532b258e9SSara Sharon 26632b258e9SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT TX FIFO dump\n"); 26732b258e9SSara Sharon 26832b258e9SSara Sharon if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) 26932b258e9SSara Sharon return; 27032b258e9SSara Sharon 271e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) { 2727174beb6SJohannes Berg /* Pull TXF data from LMAC1 */ 2737174beb6SJohannes Berg for (i = 0; i < fwrt->smem_cfg.num_txfifo_entries; i++) { 2747174beb6SJohannes Berg /* Mark the number of TXF we're pulling now */ 2757174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, TXF_LARC_NUM, i); 276520f03eaSShahar S Matityahu iwl_fwrt_dump_txf(fwrt, dump_data, 277520f03eaSShahar S Matityahu cfg->lmac[0].txfifo_size[i], 0, i); 2787174beb6SJohannes Berg } 2797174beb6SJohannes Berg 2807174beb6SJohannes Berg /* Pull TXF data from LMAC2 */ 2817174beb6SJohannes Berg if (fwrt->smem_cfg.num_lmacs > 1) { 282520f03eaSShahar S Matityahu for (i = 0; i < fwrt->smem_cfg.num_txfifo_entries; 283520f03eaSShahar S Matityahu i++) { 2847174beb6SJohannes Berg /* Mark the number of TXF we're pulling now */ 2857174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, 286520f03eaSShahar S Matityahu TXF_LARC_NUM + 287520f03eaSShahar S Matityahu LMAC2_PRPH_OFFSET, i); 2887174beb6SJohannes Berg iwl_fwrt_dump_txf(fwrt, dump_data, 2897174beb6SJohannes Berg cfg->lmac[1].txfifo_size[i], 2907174beb6SJohannes Berg LMAC2_PRPH_OFFSET, 2917174beb6SJohannes Berg i + cfg->num_txfifo_entries); 2927174beb6SJohannes Berg } 2937174beb6SJohannes Berg } 294520f03eaSShahar S Matityahu } 2957174beb6SJohannes Berg 296e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_INTERNAL_TXF) && 297520f03eaSShahar S Matityahu fw_has_capa(&fwrt->fw->ucode_capa, 2987174beb6SJohannes Berg IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) { 2997174beb6SJohannes Berg /* Pull UMAC internal TXF data from all TXFs */ 3007174beb6SJohannes Berg for (i = 0; 3017174beb6SJohannes Berg i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size); 3027174beb6SJohannes Berg i++) { 3037174beb6SJohannes Berg fifo_hdr = (void *)(*dump_data)->data; 3047174beb6SJohannes Berg fifo_data = (void *)fifo_hdr->data; 3057174beb6SJohannes Berg fifo_len = fwrt->smem_cfg.internal_txfifo_size[i]; 3067174beb6SJohannes Berg 3077174beb6SJohannes Berg /* No need to try to read the data if the length is 0 */ 3087174beb6SJohannes Berg if (fifo_len == 0) 3097174beb6SJohannes Berg continue; 3107174beb6SJohannes Berg 3117174beb6SJohannes Berg /* Add a TLV for the internal FIFOs */ 3127174beb6SJohannes Berg (*dump_data)->type = 3137174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_INTERNAL_TXF); 3147174beb6SJohannes Berg (*dump_data)->len = 3157174beb6SJohannes Berg cpu_to_le32(fifo_len + sizeof(*fifo_hdr)); 3167174beb6SJohannes Berg 3177174beb6SJohannes Berg fifo_hdr->fifo_num = cpu_to_le32(i); 3187174beb6SJohannes Berg 3197174beb6SJohannes Berg /* Mark the number of TXF we're pulling now */ 3207174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, TXF_CPU2_NUM, i + 3217174beb6SJohannes Berg fwrt->smem_cfg.num_txfifo_entries); 3227174beb6SJohannes Berg 3237174beb6SJohannes Berg fifo_hdr->available_bytes = 3247174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3257174beb6SJohannes Berg TXF_CPU2_FIFO_ITEM_CNT)); 3267174beb6SJohannes Berg fifo_hdr->wr_ptr = 3277174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3287174beb6SJohannes Berg TXF_CPU2_WR_PTR)); 3297174beb6SJohannes Berg fifo_hdr->rd_ptr = 3307174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3317174beb6SJohannes Berg TXF_CPU2_RD_PTR)); 3327174beb6SJohannes Berg fifo_hdr->fence_ptr = 3337174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3347174beb6SJohannes Berg TXF_CPU2_FENCE_PTR)); 3357174beb6SJohannes Berg fifo_hdr->fence_mode = 3367174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3377174beb6SJohannes Berg TXF_CPU2_LOCK_FENCE)); 3387174beb6SJohannes Berg 3397174beb6SJohannes Berg /* Set TXF_CPU2_READ_MODIFY_ADDR to TXF_CPU2_WR_PTR */ 3407174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, 3417174beb6SJohannes Berg TXF_CPU2_READ_MODIFY_ADDR, 3427174beb6SJohannes Berg TXF_CPU2_WR_PTR); 3437174beb6SJohannes Berg 3447174beb6SJohannes Berg /* Dummy-read to advance the read pointer to head */ 3457174beb6SJohannes Berg iwl_trans_read_prph(fwrt->trans, 3467174beb6SJohannes Berg TXF_CPU2_READ_MODIFY_DATA); 3477174beb6SJohannes Berg 3487174beb6SJohannes Berg /* Read FIFO */ 3497174beb6SJohannes Berg fifo_len /= sizeof(u32); /* Size in DWORDS */ 3507174beb6SJohannes Berg for (j = 0; j < fifo_len; j++) 3517174beb6SJohannes Berg fifo_data[j] = 3527174beb6SJohannes Berg iwl_trans_read_prph(fwrt->trans, 3537174beb6SJohannes Berg TXF_CPU2_READ_MODIFY_DATA); 3547174beb6SJohannes Berg *dump_data = iwl_fw_error_next_data(*dump_data); 3557174beb6SJohannes Berg } 3567174beb6SJohannes Berg } 3577174beb6SJohannes Berg 3587174beb6SJohannes Berg iwl_trans_release_nic_access(fwrt->trans, &flags); 3597174beb6SJohannes Berg } 3607174beb6SJohannes Berg 3617174beb6SJohannes Berg #define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */ 3627174beb6SJohannes Berg #define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */ 3637174beb6SJohannes Berg 3647174beb6SJohannes Berg struct iwl_prph_range { 3657174beb6SJohannes Berg u32 start, end; 3667174beb6SJohannes Berg }; 3677174beb6SJohannes Berg 3687174beb6SJohannes Berg static const struct iwl_prph_range iwl_prph_dump_addr_comm[] = { 3697174beb6SJohannes Berg { .start = 0x00a00000, .end = 0x00a00000 }, 3707174beb6SJohannes Berg { .start = 0x00a0000c, .end = 0x00a00024 }, 3717174beb6SJohannes Berg { .start = 0x00a0002c, .end = 0x00a0003c }, 3727174beb6SJohannes Berg { .start = 0x00a00410, .end = 0x00a00418 }, 3737174beb6SJohannes Berg { .start = 0x00a00420, .end = 0x00a00420 }, 3747174beb6SJohannes Berg { .start = 0x00a00428, .end = 0x00a00428 }, 3757174beb6SJohannes Berg { .start = 0x00a00430, .end = 0x00a0043c }, 3767174beb6SJohannes Berg { .start = 0x00a00444, .end = 0x00a00444 }, 3777174beb6SJohannes Berg { .start = 0x00a004c0, .end = 0x00a004cc }, 3787174beb6SJohannes Berg { .start = 0x00a004d8, .end = 0x00a004d8 }, 3797174beb6SJohannes Berg { .start = 0x00a004e0, .end = 0x00a004f0 }, 3807174beb6SJohannes Berg { .start = 0x00a00840, .end = 0x00a00840 }, 3817174beb6SJohannes Berg { .start = 0x00a00850, .end = 0x00a00858 }, 3827174beb6SJohannes Berg { .start = 0x00a01004, .end = 0x00a01008 }, 3837174beb6SJohannes Berg { .start = 0x00a01010, .end = 0x00a01010 }, 3847174beb6SJohannes Berg { .start = 0x00a01018, .end = 0x00a01018 }, 3857174beb6SJohannes Berg { .start = 0x00a01024, .end = 0x00a01024 }, 3867174beb6SJohannes Berg { .start = 0x00a0102c, .end = 0x00a01034 }, 3877174beb6SJohannes Berg { .start = 0x00a0103c, .end = 0x00a01040 }, 3887174beb6SJohannes Berg { .start = 0x00a01048, .end = 0x00a01094 }, 3897174beb6SJohannes Berg { .start = 0x00a01c00, .end = 0x00a01c20 }, 3907174beb6SJohannes Berg { .start = 0x00a01c58, .end = 0x00a01c58 }, 3917174beb6SJohannes Berg { .start = 0x00a01c7c, .end = 0x00a01c7c }, 3927174beb6SJohannes Berg { .start = 0x00a01c28, .end = 0x00a01c54 }, 3937174beb6SJohannes Berg { .start = 0x00a01c5c, .end = 0x00a01c5c }, 3947174beb6SJohannes Berg { .start = 0x00a01c60, .end = 0x00a01cdc }, 3957174beb6SJohannes Berg { .start = 0x00a01ce0, .end = 0x00a01d0c }, 3967174beb6SJohannes Berg { .start = 0x00a01d18, .end = 0x00a01d20 }, 3977174beb6SJohannes Berg { .start = 0x00a01d2c, .end = 0x00a01d30 }, 3987174beb6SJohannes Berg { .start = 0x00a01d40, .end = 0x00a01d5c }, 3997174beb6SJohannes Berg { .start = 0x00a01d80, .end = 0x00a01d80 }, 4007174beb6SJohannes Berg { .start = 0x00a01d98, .end = 0x00a01d9c }, 4017174beb6SJohannes Berg { .start = 0x00a01da8, .end = 0x00a01da8 }, 4027174beb6SJohannes Berg { .start = 0x00a01db8, .end = 0x00a01df4 }, 4037174beb6SJohannes Berg { .start = 0x00a01dc0, .end = 0x00a01dfc }, 4047174beb6SJohannes Berg { .start = 0x00a01e00, .end = 0x00a01e2c }, 4057174beb6SJohannes Berg { .start = 0x00a01e40, .end = 0x00a01e60 }, 4067174beb6SJohannes Berg { .start = 0x00a01e68, .end = 0x00a01e6c }, 4077174beb6SJohannes Berg { .start = 0x00a01e74, .end = 0x00a01e74 }, 4087174beb6SJohannes Berg { .start = 0x00a01e84, .end = 0x00a01e90 }, 4097174beb6SJohannes Berg { .start = 0x00a01e9c, .end = 0x00a01ec4 }, 4107174beb6SJohannes Berg { .start = 0x00a01ed0, .end = 0x00a01ee0 }, 4117174beb6SJohannes Berg { .start = 0x00a01f00, .end = 0x00a01f1c }, 4127174beb6SJohannes Berg { .start = 0x00a01f44, .end = 0x00a01ffc }, 4137174beb6SJohannes Berg { .start = 0x00a02000, .end = 0x00a02048 }, 4147174beb6SJohannes Berg { .start = 0x00a02068, .end = 0x00a020f0 }, 4157174beb6SJohannes Berg { .start = 0x00a02100, .end = 0x00a02118 }, 4167174beb6SJohannes Berg { .start = 0x00a02140, .end = 0x00a0214c }, 4177174beb6SJohannes Berg { .start = 0x00a02168, .end = 0x00a0218c }, 4187174beb6SJohannes Berg { .start = 0x00a021c0, .end = 0x00a021c0 }, 4197174beb6SJohannes Berg { .start = 0x00a02400, .end = 0x00a02410 }, 4207174beb6SJohannes Berg { .start = 0x00a02418, .end = 0x00a02420 }, 4217174beb6SJohannes Berg { .start = 0x00a02428, .end = 0x00a0242c }, 4227174beb6SJohannes Berg { .start = 0x00a02434, .end = 0x00a02434 }, 4237174beb6SJohannes Berg { .start = 0x00a02440, .end = 0x00a02460 }, 4247174beb6SJohannes Berg { .start = 0x00a02468, .end = 0x00a024b0 }, 4257174beb6SJohannes Berg { .start = 0x00a024c8, .end = 0x00a024cc }, 4267174beb6SJohannes Berg { .start = 0x00a02500, .end = 0x00a02504 }, 4277174beb6SJohannes Berg { .start = 0x00a0250c, .end = 0x00a02510 }, 4287174beb6SJohannes Berg { .start = 0x00a02540, .end = 0x00a02554 }, 4297174beb6SJohannes Berg { .start = 0x00a02580, .end = 0x00a025f4 }, 4307174beb6SJohannes Berg { .start = 0x00a02600, .end = 0x00a0260c }, 4317174beb6SJohannes Berg { .start = 0x00a02648, .end = 0x00a02650 }, 4327174beb6SJohannes Berg { .start = 0x00a02680, .end = 0x00a02680 }, 4337174beb6SJohannes Berg { .start = 0x00a026c0, .end = 0x00a026d0 }, 4347174beb6SJohannes Berg { .start = 0x00a02700, .end = 0x00a0270c }, 4357174beb6SJohannes Berg { .start = 0x00a02804, .end = 0x00a02804 }, 4367174beb6SJohannes Berg { .start = 0x00a02818, .end = 0x00a0281c }, 4377174beb6SJohannes Berg { .start = 0x00a02c00, .end = 0x00a02db4 }, 4387174beb6SJohannes Berg { .start = 0x00a02df4, .end = 0x00a02fb0 }, 4397174beb6SJohannes Berg { .start = 0x00a03000, .end = 0x00a03014 }, 4407174beb6SJohannes Berg { .start = 0x00a0301c, .end = 0x00a0302c }, 4417174beb6SJohannes Berg { .start = 0x00a03034, .end = 0x00a03038 }, 4427174beb6SJohannes Berg { .start = 0x00a03040, .end = 0x00a03048 }, 4437174beb6SJohannes Berg { .start = 0x00a03060, .end = 0x00a03068 }, 4447174beb6SJohannes Berg { .start = 0x00a03070, .end = 0x00a03074 }, 4457174beb6SJohannes Berg { .start = 0x00a0307c, .end = 0x00a0307c }, 4467174beb6SJohannes Berg { .start = 0x00a03080, .end = 0x00a03084 }, 4477174beb6SJohannes Berg { .start = 0x00a0308c, .end = 0x00a03090 }, 4487174beb6SJohannes Berg { .start = 0x00a03098, .end = 0x00a03098 }, 4497174beb6SJohannes Berg { .start = 0x00a030a0, .end = 0x00a030a0 }, 4507174beb6SJohannes Berg { .start = 0x00a030a8, .end = 0x00a030b4 }, 4517174beb6SJohannes Berg { .start = 0x00a030bc, .end = 0x00a030bc }, 4527174beb6SJohannes Berg { .start = 0x00a030c0, .end = 0x00a0312c }, 4537174beb6SJohannes Berg { .start = 0x00a03c00, .end = 0x00a03c5c }, 4547174beb6SJohannes Berg { .start = 0x00a04400, .end = 0x00a04454 }, 4557174beb6SJohannes Berg { .start = 0x00a04460, .end = 0x00a04474 }, 4567174beb6SJohannes Berg { .start = 0x00a044c0, .end = 0x00a044ec }, 4577174beb6SJohannes Berg { .start = 0x00a04500, .end = 0x00a04504 }, 4587174beb6SJohannes Berg { .start = 0x00a04510, .end = 0x00a04538 }, 4597174beb6SJohannes Berg { .start = 0x00a04540, .end = 0x00a04548 }, 4607174beb6SJohannes Berg { .start = 0x00a04560, .end = 0x00a0457c }, 4617174beb6SJohannes Berg { .start = 0x00a04590, .end = 0x00a04598 }, 4627174beb6SJohannes Berg { .start = 0x00a045c0, .end = 0x00a045f4 }, 4637174beb6SJohannes Berg }; 4647174beb6SJohannes Berg 4657174beb6SJohannes Berg static const struct iwl_prph_range iwl_prph_dump_addr_9000[] = { 4667174beb6SJohannes Berg { .start = 0x00a05c00, .end = 0x00a05c18 }, 4677174beb6SJohannes Berg { .start = 0x00a05400, .end = 0x00a056e8 }, 4687174beb6SJohannes Berg { .start = 0x00a08000, .end = 0x00a098bc }, 4697174beb6SJohannes Berg { .start = 0x00a02400, .end = 0x00a02758 }, 4707174beb6SJohannes Berg }; 4717174beb6SJohannes Berg 4727e08baebSShahar S Matityahu static const struct iwl_prph_range iwl_prph_dump_addr_22000[] = { 4737e08baebSShahar S Matityahu { .start = 0x00a00000, .end = 0x00a00000 }, 4747e08baebSShahar S Matityahu { .start = 0x00a0000c, .end = 0x00a00024 }, 4757e08baebSShahar S Matityahu { .start = 0x00a0002c, .end = 0x00a00034 }, 4767e08baebSShahar S Matityahu { .start = 0x00a0003c, .end = 0x00a0003c }, 4777e08baebSShahar S Matityahu { .start = 0x00a00410, .end = 0x00a00418 }, 4787e08baebSShahar S Matityahu { .start = 0x00a00420, .end = 0x00a00420 }, 4797e08baebSShahar S Matityahu { .start = 0x00a00428, .end = 0x00a00428 }, 4807e08baebSShahar S Matityahu { .start = 0x00a00430, .end = 0x00a0043c }, 4817e08baebSShahar S Matityahu { .start = 0x00a00444, .end = 0x00a00444 }, 4827e08baebSShahar S Matityahu { .start = 0x00a00840, .end = 0x00a00840 }, 4837e08baebSShahar S Matityahu { .start = 0x00a00850, .end = 0x00a00858 }, 4847e08baebSShahar S Matityahu { .start = 0x00a01004, .end = 0x00a01008 }, 4857e08baebSShahar S Matityahu { .start = 0x00a01010, .end = 0x00a01010 }, 4867e08baebSShahar S Matityahu { .start = 0x00a01018, .end = 0x00a01018 }, 4877e08baebSShahar S Matityahu { .start = 0x00a01024, .end = 0x00a01024 }, 4887e08baebSShahar S Matityahu { .start = 0x00a0102c, .end = 0x00a01034 }, 4897e08baebSShahar S Matityahu { .start = 0x00a0103c, .end = 0x00a01040 }, 4907e08baebSShahar S Matityahu { .start = 0x00a01048, .end = 0x00a01050 }, 4917e08baebSShahar S Matityahu { .start = 0x00a01058, .end = 0x00a01058 }, 4927e08baebSShahar S Matityahu { .start = 0x00a01060, .end = 0x00a01070 }, 4937e08baebSShahar S Matityahu { .start = 0x00a0108c, .end = 0x00a0108c }, 4947e08baebSShahar S Matityahu { .start = 0x00a01c20, .end = 0x00a01c28 }, 4957e08baebSShahar S Matityahu { .start = 0x00a01d10, .end = 0x00a01d10 }, 4967e08baebSShahar S Matityahu { .start = 0x00a01e28, .end = 0x00a01e2c }, 4977e08baebSShahar S Matityahu { .start = 0x00a01e60, .end = 0x00a01e60 }, 4987e08baebSShahar S Matityahu { .start = 0x00a01e80, .end = 0x00a01e80 }, 4997e08baebSShahar S Matityahu { .start = 0x00a01ea0, .end = 0x00a01ea0 }, 5007e08baebSShahar S Matityahu { .start = 0x00a02000, .end = 0x00a0201c }, 5017e08baebSShahar S Matityahu { .start = 0x00a02024, .end = 0x00a02024 }, 5027e08baebSShahar S Matityahu { .start = 0x00a02040, .end = 0x00a02048 }, 5037e08baebSShahar S Matityahu { .start = 0x00a020c0, .end = 0x00a020e0 }, 5047e08baebSShahar S Matityahu { .start = 0x00a02400, .end = 0x00a02404 }, 5057e08baebSShahar S Matityahu { .start = 0x00a0240c, .end = 0x00a02414 }, 5067e08baebSShahar S Matityahu { .start = 0x00a0241c, .end = 0x00a0243c }, 5077e08baebSShahar S Matityahu { .start = 0x00a02448, .end = 0x00a024bc }, 5087e08baebSShahar S Matityahu { .start = 0x00a024c4, .end = 0x00a024cc }, 5097e08baebSShahar S Matityahu { .start = 0x00a02508, .end = 0x00a02508 }, 5107e08baebSShahar S Matityahu { .start = 0x00a02510, .end = 0x00a02514 }, 5117e08baebSShahar S Matityahu { .start = 0x00a0251c, .end = 0x00a0251c }, 5127e08baebSShahar S Matityahu { .start = 0x00a0252c, .end = 0x00a0255c }, 5137e08baebSShahar S Matityahu { .start = 0x00a02564, .end = 0x00a025a0 }, 5147e08baebSShahar S Matityahu { .start = 0x00a025a8, .end = 0x00a025b4 }, 5157e08baebSShahar S Matityahu { .start = 0x00a025c0, .end = 0x00a025c0 }, 5167e08baebSShahar S Matityahu { .start = 0x00a025e8, .end = 0x00a025f4 }, 5177e08baebSShahar S Matityahu { .start = 0x00a02c08, .end = 0x00a02c18 }, 5187e08baebSShahar S Matityahu { .start = 0x00a02c2c, .end = 0x00a02c38 }, 5197e08baebSShahar S Matityahu { .start = 0x00a02c68, .end = 0x00a02c78 }, 5207e08baebSShahar S Matityahu { .start = 0x00a03000, .end = 0x00a03000 }, 5217e08baebSShahar S Matityahu { .start = 0x00a03010, .end = 0x00a03014 }, 5227e08baebSShahar S Matityahu { .start = 0x00a0301c, .end = 0x00a0302c }, 5237e08baebSShahar S Matityahu { .start = 0x00a03034, .end = 0x00a03038 }, 5247e08baebSShahar S Matityahu { .start = 0x00a03040, .end = 0x00a03044 }, 5257e08baebSShahar S Matityahu { .start = 0x00a03060, .end = 0x00a03068 }, 5267e08baebSShahar S Matityahu { .start = 0x00a03070, .end = 0x00a03070 }, 5277e08baebSShahar S Matityahu { .start = 0x00a0307c, .end = 0x00a03084 }, 5287e08baebSShahar S Matityahu { .start = 0x00a0308c, .end = 0x00a03090 }, 5297e08baebSShahar S Matityahu { .start = 0x00a03098, .end = 0x00a03098 }, 5307e08baebSShahar S Matityahu { .start = 0x00a030a0, .end = 0x00a030a0 }, 5317e08baebSShahar S Matityahu { .start = 0x00a030a8, .end = 0x00a030b4 }, 5327e08baebSShahar S Matityahu { .start = 0x00a030bc, .end = 0x00a030c0 }, 5337e08baebSShahar S Matityahu { .start = 0x00a030c8, .end = 0x00a030f4 }, 5347e08baebSShahar S Matityahu { .start = 0x00a03100, .end = 0x00a0312c }, 5357e08baebSShahar S Matityahu { .start = 0x00a03c00, .end = 0x00a03c5c }, 5367e08baebSShahar S Matityahu { .start = 0x00a04400, .end = 0x00a04454 }, 5377e08baebSShahar S Matityahu { .start = 0x00a04460, .end = 0x00a04474 }, 5387e08baebSShahar S Matityahu { .start = 0x00a044c0, .end = 0x00a044ec }, 5397e08baebSShahar S Matityahu { .start = 0x00a04500, .end = 0x00a04504 }, 5407e08baebSShahar S Matityahu { .start = 0x00a04510, .end = 0x00a04538 }, 5417e08baebSShahar S Matityahu { .start = 0x00a04540, .end = 0x00a04548 }, 5427e08baebSShahar S Matityahu { .start = 0x00a04560, .end = 0x00a04560 }, 5437e08baebSShahar S Matityahu { .start = 0x00a04570, .end = 0x00a0457c }, 5447e08baebSShahar S Matityahu { .start = 0x00a04590, .end = 0x00a04590 }, 5457e08baebSShahar S Matityahu { .start = 0x00a04598, .end = 0x00a04598 }, 5467e08baebSShahar S Matityahu { .start = 0x00a045c0, .end = 0x00a045f4 }, 5477e08baebSShahar S Matityahu { .start = 0x00a0c000, .end = 0x00a0c018 }, 5487e08baebSShahar S Matityahu { .start = 0x00a0c020, .end = 0x00a0c028 }, 5497e08baebSShahar S Matityahu { .start = 0x00a0c038, .end = 0x00a0c094 }, 5507e08baebSShahar S Matityahu { .start = 0x00a0c0c0, .end = 0x00a0c104 }, 5517e08baebSShahar S Matityahu { .start = 0x00a0c10c, .end = 0x00a0c118 }, 5527e08baebSShahar S Matityahu { .start = 0x00a0c150, .end = 0x00a0c174 }, 5537e08baebSShahar S Matityahu { .start = 0x00a0c17c, .end = 0x00a0c188 }, 5547e08baebSShahar S Matityahu { .start = 0x00a0c190, .end = 0x00a0c198 }, 5557e08baebSShahar S Matityahu { .start = 0x00a0c1a0, .end = 0x00a0c1a8 }, 5567e08baebSShahar S Matityahu { .start = 0x00a0c1b0, .end = 0x00a0c1b8 }, 5577e08baebSShahar S Matityahu }; 5587e08baebSShahar S Matityahu 559ea7c2bfdSJohannes Berg static void iwl_read_prph_block(struct iwl_trans *trans, u32 start, 5607174beb6SJohannes Berg u32 len_bytes, __le32 *data) 5617174beb6SJohannes Berg { 5627174beb6SJohannes Berg u32 i; 5637174beb6SJohannes Berg 5647174beb6SJohannes Berg for (i = 0; i < len_bytes; i += 4) 5657174beb6SJohannes Berg *data++ = cpu_to_le32(iwl_read_prph_no_grab(trans, start + i)); 5667174beb6SJohannes Berg } 5677174beb6SJohannes Berg 5687e08baebSShahar S Matityahu static void iwl_dump_prph(struct iwl_fw_runtime *fwrt, 5697174beb6SJohannes Berg const struct iwl_prph_range *iwl_prph_dump_addr, 5707e08baebSShahar S Matityahu u32 range_len, void *ptr) 5717174beb6SJohannes Berg { 5727174beb6SJohannes Berg struct iwl_fw_error_dump_prph *prph; 5737e08baebSShahar S Matityahu struct iwl_trans *trans = fwrt->trans; 5747e08baebSShahar S Matityahu struct iwl_fw_error_dump_data **data = 5757e08baebSShahar S Matityahu (struct iwl_fw_error_dump_data **)ptr; 5767174beb6SJohannes Berg unsigned long flags; 5777174beb6SJohannes Berg u32 i; 5787174beb6SJohannes Berg 5797e08baebSShahar S Matityahu if (!data) 5807e08baebSShahar S Matityahu return; 5817e08baebSShahar S Matityahu 582b88beaf9SIlan Peer IWL_DEBUG_INFO(trans, "WRT PRPH dump\n"); 583b88beaf9SIlan Peer 5847174beb6SJohannes Berg if (!iwl_trans_grab_nic_access(trans, &flags)) 5857174beb6SJohannes Berg return; 5867174beb6SJohannes Berg 5877174beb6SJohannes Berg for (i = 0; i < range_len; i++) { 5887174beb6SJohannes Berg /* The range includes both boundaries */ 5897174beb6SJohannes Berg int num_bytes_in_chunk = iwl_prph_dump_addr[i].end - 5907174beb6SJohannes Berg iwl_prph_dump_addr[i].start + 4; 5917174beb6SJohannes Berg 5927174beb6SJohannes Berg (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH); 5937174beb6SJohannes Berg (*data)->len = cpu_to_le32(sizeof(*prph) + 5947174beb6SJohannes Berg num_bytes_in_chunk); 5957174beb6SJohannes Berg prph = (void *)(*data)->data; 5967174beb6SJohannes Berg prph->prph_start = cpu_to_le32(iwl_prph_dump_addr[i].start); 5977174beb6SJohannes Berg 598ea7c2bfdSJohannes Berg iwl_read_prph_block(trans, iwl_prph_dump_addr[i].start, 5997174beb6SJohannes Berg /* our range is inclusive, hence + 4 */ 6007174beb6SJohannes Berg iwl_prph_dump_addr[i].end - 6017174beb6SJohannes Berg iwl_prph_dump_addr[i].start + 4, 6027174beb6SJohannes Berg (void *)prph->data); 6037174beb6SJohannes Berg 6047174beb6SJohannes Berg *data = iwl_fw_error_next_data(*data); 6057174beb6SJohannes Berg } 6067174beb6SJohannes Berg 6077174beb6SJohannes Berg iwl_trans_release_nic_access(trans, &flags); 6087174beb6SJohannes Berg } 6097174beb6SJohannes Berg 6107174beb6SJohannes Berg /* 6117174beb6SJohannes Berg * alloc_sgtable - allocates scallerlist table in the given size, 6127174beb6SJohannes Berg * fills it with pages and returns it 6137174beb6SJohannes Berg * @size: the size (in bytes) of the table 6147174beb6SJohannes Berg */ 6157174beb6SJohannes Berg static struct scatterlist *alloc_sgtable(int size) 6167174beb6SJohannes Berg { 6177174beb6SJohannes Berg int alloc_size, nents, i; 6187174beb6SJohannes Berg struct page *new_page; 6197174beb6SJohannes Berg struct scatterlist *iter; 6207174beb6SJohannes Berg struct scatterlist *table; 6217174beb6SJohannes Berg 6227174beb6SJohannes Berg nents = DIV_ROUND_UP(size, PAGE_SIZE); 6237174beb6SJohannes Berg table = kcalloc(nents, sizeof(*table), GFP_KERNEL); 6247174beb6SJohannes Berg if (!table) 6257174beb6SJohannes Berg return NULL; 6267174beb6SJohannes Berg sg_init_table(table, nents); 6277174beb6SJohannes Berg iter = table; 6287174beb6SJohannes Berg for_each_sg(table, iter, sg_nents(table), i) { 6297174beb6SJohannes Berg new_page = alloc_page(GFP_KERNEL); 6307174beb6SJohannes Berg if (!new_page) { 6317174beb6SJohannes Berg /* release all previous allocated pages in the table */ 6327174beb6SJohannes Berg iter = table; 6337174beb6SJohannes Berg for_each_sg(table, iter, sg_nents(table), i) { 6347174beb6SJohannes Berg new_page = sg_page(iter); 6357174beb6SJohannes Berg if (new_page) 6367174beb6SJohannes Berg __free_page(new_page); 6377174beb6SJohannes Berg } 6387174beb6SJohannes Berg return NULL; 6397174beb6SJohannes Berg } 6407174beb6SJohannes Berg alloc_size = min_t(int, size, PAGE_SIZE); 6417174beb6SJohannes Berg size -= PAGE_SIZE; 6427174beb6SJohannes Berg sg_set_page(iter, new_page, alloc_size, 0); 6437174beb6SJohannes Berg } 6447174beb6SJohannes Berg return table; 6457174beb6SJohannes Berg } 6467174beb6SJohannes Berg 6477e08baebSShahar S Matityahu static void iwl_fw_get_prph_len(struct iwl_fw_runtime *fwrt, 6487e08baebSShahar S Matityahu const struct iwl_prph_range *iwl_prph_dump_addr, 6497e08baebSShahar S Matityahu u32 range_len, void *ptr) 650da752717SShahar S Matityahu { 6517e08baebSShahar S Matityahu u32 *prph_len = (u32 *)ptr; 6527e08baebSShahar S Matityahu int i, num_bytes_in_chunk; 653da752717SShahar S Matityahu 6547e08baebSShahar S Matityahu if (!prph_len) 6557e08baebSShahar S Matityahu return; 6567e08baebSShahar S Matityahu 6577e08baebSShahar S Matityahu for (i = 0; i < range_len; i++) { 658da752717SShahar S Matityahu /* The range includes both boundaries */ 6597e08baebSShahar S Matityahu num_bytes_in_chunk = 6607e08baebSShahar S Matityahu iwl_prph_dump_addr[i].end - 6617e08baebSShahar S Matityahu iwl_prph_dump_addr[i].start + 4; 662da752717SShahar S Matityahu 6637e08baebSShahar S Matityahu *prph_len += sizeof(struct iwl_fw_error_dump_data) + 664da752717SShahar S Matityahu sizeof(struct iwl_fw_error_dump_prph) + 665da752717SShahar S Matityahu num_bytes_in_chunk; 666da752717SShahar S Matityahu } 6677e08baebSShahar S Matityahu } 6687e08baebSShahar S Matityahu 6697e08baebSShahar S Matityahu static void iwl_fw_prph_handler(struct iwl_fw_runtime *fwrt, void *ptr, 6707e08baebSShahar S Matityahu void (*handler)(struct iwl_fw_runtime *, 6717e08baebSShahar S Matityahu const struct iwl_prph_range *, 6727e08baebSShahar S Matityahu u32, void *)) 6737e08baebSShahar S Matityahu { 6747e08baebSShahar S Matityahu u32 range_len; 6757e08baebSShahar S Matityahu 6767e08baebSShahar S Matityahu if (fwrt->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 6777e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_22000); 6787e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_22000, range_len, ptr); 6797e08baebSShahar S Matityahu } else { 6807e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_comm); 6817e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_comm, range_len, ptr); 682da752717SShahar S Matityahu 683da752717SShahar S Matityahu if (fwrt->trans->cfg->mq_rx_supported) { 6847e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_9000); 6857e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_9000, range_len, ptr); 686da752717SShahar S Matityahu } 687da752717SShahar S Matityahu } 688da752717SShahar S Matityahu } 689da752717SShahar S Matityahu 690da752717SShahar S Matityahu static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt, 691da752717SShahar S Matityahu struct iwl_fw_error_dump_data **dump_data, 6927339cc29SSara Sharon u32 len, u32 ofs, u32 type) 693da752717SShahar S Matityahu { 694da752717SShahar S Matityahu struct iwl_fw_error_dump_mem *dump_mem; 695da752717SShahar S Matityahu 6967339cc29SSara Sharon if (!len) 6977339cc29SSara Sharon return; 698da752717SShahar S Matityahu 699da752717SShahar S Matityahu (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); 700da752717SShahar S Matityahu (*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem)); 701da752717SShahar S Matityahu dump_mem = (void *)(*dump_data)->data; 7027339cc29SSara Sharon dump_mem->type = cpu_to_le32(type); 703da752717SShahar S Matityahu dump_mem->offset = cpu_to_le32(ofs); 704da752717SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len); 705da752717SShahar S Matityahu *dump_data = iwl_fw_error_next_data(*dump_data); 706da752717SShahar S Matityahu 7077339cc29SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type); 708da752717SShahar S Matityahu } 709da752717SShahar S Matityahu 7107a14c23dSSara Sharon static void iwl_fw_dump_named_mem(struct iwl_fw_runtime *fwrt, 7117a14c23dSSara Sharon struct iwl_fw_error_dump_data **dump_data, 7127a14c23dSSara Sharon u32 len, u32 ofs, u8 *name, u8 name_len) 7137a14c23dSSara Sharon { 7147a14c23dSSara Sharon struct iwl_fw_error_dump_named_mem *dump_mem; 7157a14c23dSSara Sharon 7167a14c23dSSara Sharon if (!len) 7177a14c23dSSara Sharon return; 7187a14c23dSSara Sharon 7197a14c23dSSara Sharon (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); 7207a14c23dSSara Sharon (*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem)); 7217a14c23dSSara Sharon dump_mem = (void *)(*dump_data)->data; 7227a14c23dSSara Sharon dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_NAMED_MEM); 7237a14c23dSSara Sharon dump_mem->offset = cpu_to_le32(ofs); 7247a14c23dSSara Sharon dump_mem->name_len = name_len; 7257a14c23dSSara Sharon memcpy(dump_mem->name, name, name_len); 7267a14c23dSSara Sharon iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len); 7277a14c23dSSara Sharon *dump_data = iwl_fw_error_next_data(*dump_data); 7287a14c23dSSara Sharon 7297a14c23dSSara Sharon IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type); 7307a14c23dSSara Sharon } 7317a14c23dSSara Sharon 73268025d5fSSara Sharon #define ADD_LEN(len, item_len, const_len) \ 73368025d5fSSara Sharon do {size_t item = item_len; len += (!!item) * const_len + item; } \ 73468025d5fSSara Sharon while (0) 73568025d5fSSara Sharon 73632b258e9SSara Sharon static int iwl_fw_rxf_len(struct iwl_fw_runtime *fwrt, 73768025d5fSSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 73868025d5fSSara Sharon { 73968025d5fSSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 74068025d5fSSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 74168025d5fSSara Sharon u32 fifo_len = 0; 74268025d5fSSara Sharon int i; 74368025d5fSSara Sharon 744e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RXF)) 74532b258e9SSara Sharon return 0; 74668025d5fSSara Sharon 74768025d5fSSara Sharon /* Count RXF2 size */ 74868025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->rxfifo2_size, hdr_len); 74968025d5fSSara Sharon 75068025d5fSSara Sharon /* Count RXF1 sizes */ 751acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 752acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 753acf42a95SMordechay Goodstein 75468025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) 75568025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].rxfifo1_size, hdr_len); 75668025d5fSSara Sharon 75732b258e9SSara Sharon return fifo_len; 75832b258e9SSara Sharon } 75932b258e9SSara Sharon 76032b258e9SSara Sharon static int iwl_fw_txf_len(struct iwl_fw_runtime *fwrt, 76132b258e9SSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 76232b258e9SSara Sharon { 76332b258e9SSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 76432b258e9SSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 76532b258e9SSara Sharon u32 fifo_len = 0; 76632b258e9SSara Sharon int i; 76732b258e9SSara Sharon 768e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) 76968025d5fSSara Sharon goto dump_internal_txf; 77068025d5fSSara Sharon 77168025d5fSSara Sharon /* Count TXF sizes */ 772acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 773acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 774acf42a95SMordechay Goodstein 77568025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) { 77668025d5fSSara Sharon int j; 77768025d5fSSara Sharon 77868025d5fSSara Sharon for (j = 0; j < mem_cfg->num_txfifo_entries; j++) 77968025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].txfifo_size[j], 78068025d5fSSara Sharon hdr_len); 78168025d5fSSara Sharon } 78268025d5fSSara Sharon 78368025d5fSSara Sharon dump_internal_txf: 784e488e593SSara Sharon if (!(iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_INTERNAL_TXF) && 78568025d5fSSara Sharon fw_has_capa(&fwrt->fw->ucode_capa, 78668025d5fSSara Sharon IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))) 78768025d5fSSara Sharon goto out; 78868025d5fSSara Sharon 78968025d5fSSara Sharon for (i = 0; i < ARRAY_SIZE(mem_cfg->internal_txfifo_size); i++) 79068025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->internal_txfifo_size[i], hdr_len); 79168025d5fSSara Sharon 79268025d5fSSara Sharon out: 79368025d5fSSara Sharon return fifo_len; 79468025d5fSSara Sharon } 79568025d5fSSara Sharon 79656b657f7SSara Sharon static void iwl_dump_paging(struct iwl_fw_runtime *fwrt, 79756b657f7SSara Sharon struct iwl_fw_error_dump_data **data) 79856b657f7SSara Sharon { 79956b657f7SSara Sharon int i; 80056b657f7SSara Sharon 80156b657f7SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT paging dump\n"); 80256b657f7SSara Sharon for (i = 1; i < fwrt->num_of_paging_blk + 1; i++) { 80356b657f7SSara Sharon struct iwl_fw_error_dump_paging *paging; 80456b657f7SSara Sharon struct page *pages = 80556b657f7SSara Sharon fwrt->fw_paging_db[i].fw_paging_block; 80656b657f7SSara Sharon dma_addr_t addr = fwrt->fw_paging_db[i].fw_paging_phys; 80756b657f7SSara Sharon 80856b657f7SSara Sharon (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING); 80956b657f7SSara Sharon (*data)->len = cpu_to_le32(sizeof(*paging) + 81056b657f7SSara Sharon PAGING_BLOCK_SIZE); 81156b657f7SSara Sharon paging = (void *)(*data)->data; 81256b657f7SSara Sharon paging->index = cpu_to_le32(i); 81356b657f7SSara Sharon dma_sync_single_for_cpu(fwrt->trans->dev, addr, 81456b657f7SSara Sharon PAGING_BLOCK_SIZE, 81556b657f7SSara Sharon DMA_BIDIRECTIONAL); 81656b657f7SSara Sharon memcpy(paging->data, page_address(pages), 81756b657f7SSara Sharon PAGING_BLOCK_SIZE); 81856b657f7SSara Sharon (*data) = iwl_fw_error_next_data(*data); 81956b657f7SSara Sharon } 82056b657f7SSara Sharon } 82156b657f7SSara Sharon 822a6820511SSara Sharon static struct iwl_fw_error_dump_file * 823a6820511SSara Sharon _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, 824a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump) 8257174beb6SJohannes Berg { 8267174beb6SJohannes Berg struct iwl_fw_error_dump_file *dump_file; 8277174beb6SJohannes Berg struct iwl_fw_error_dump_data *dump_data; 8287174beb6SJohannes Berg struct iwl_fw_error_dump_info *dump_info; 829ce27f005SGolan Ben-Ami struct iwl_fw_error_dump_smem_cfg *dump_smem_cfg; 8307174beb6SJohannes Berg struct iwl_fw_error_dump_trigger_desc *dump_trig; 8317174beb6SJohannes Berg u32 sram_len, sram_ofs; 83268025d5fSSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_mem = fwrt->fw->dbg.mem_tlv; 833ce27f005SGolan Ben-Ami struct iwl_fwrt_shared_mem_cfg *mem_cfg = &fwrt->smem_cfg; 83468025d5fSSara Sharon u32 file_len, fifo_len = 0, prph_len = 0, radio_len = 0; 83517b809c9SSara Sharon u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->smem_len; 83617b809c9SSara Sharon u32 sram2_len = fwrt->fw->dbg.n_mem_tlv ? 8377174beb6SJohannes Berg 0 : fwrt->trans->cfg->dccm2_len; 8387174beb6SJohannes Berg int i; 8397174beb6SJohannes Berg 8407174beb6SJohannes Berg /* SRAM - include stack CCM if driver knows the values for it */ 8417174beb6SJohannes Berg if (!fwrt->trans->cfg->dccm_offset || !fwrt->trans->cfg->dccm_len) { 8427174beb6SJohannes Berg const struct fw_img *img; 8437174beb6SJohannes Berg 844162b22c9SLiad Kaufman if (fwrt->cur_fw_img >= IWL_UCODE_TYPE_MAX) 845162b22c9SLiad Kaufman return NULL; 8467174beb6SJohannes Berg img = &fwrt->fw->img[fwrt->cur_fw_img]; 8477174beb6SJohannes Berg sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 8487174beb6SJohannes Berg sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 8497174beb6SJohannes Berg } else { 8507174beb6SJohannes Berg sram_ofs = fwrt->trans->cfg->dccm_offset; 8517174beb6SJohannes Berg sram_len = fwrt->trans->cfg->dccm_len; 8527174beb6SJohannes Berg } 8537174beb6SJohannes Berg 8547174beb6SJohannes Berg /* reading RXF/TXF sizes */ 8557174beb6SJohannes Berg if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) { 85632b258e9SSara Sharon fifo_len = iwl_fw_rxf_len(fwrt, mem_cfg); 85732b258e9SSara Sharon fifo_len += iwl_fw_txf_len(fwrt, mem_cfg); 8587174beb6SJohannes Berg 8597174beb6SJohannes Berg /* Make room for PRPH registers */ 8607e08baebSShahar S Matityahu if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PRPH)) 8617e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &prph_len, 8627e08baebSShahar S Matityahu iwl_fw_get_prph_len); 8637174beb6SJohannes Berg 864520f03eaSShahar S Matityahu if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000 && 865e488e593SSara Sharon iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RADIO_REG)) 8667174beb6SJohannes Berg radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ; 8677174beb6SJohannes Berg } 8687174beb6SJohannes Berg 86968025d5fSSara Sharon file_len = sizeof(*dump_file) + fifo_len + prph_len + radio_len; 8707174beb6SJohannes Berg 871e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) 872520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_info); 873e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) 874520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_smem_cfg); 875520f03eaSShahar S Matityahu 876e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 87768025d5fSSara Sharon size_t hdr_len = sizeof(*dump_data) + 878da752717SShahar S Matityahu sizeof(struct iwl_fw_error_dump_mem); 8797174beb6SJohannes Berg 88068025d5fSSara Sharon /* Dump SRAM only if no mem_tlvs */ 88168025d5fSSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 88268025d5fSSara Sharon ADD_LEN(file_len, sram_len, hdr_len); 8837174beb6SJohannes Berg 88468025d5fSSara Sharon /* Make room for all mem types that exist */ 88568025d5fSSara Sharon ADD_LEN(file_len, smem_len, hdr_len); 88668025d5fSSara Sharon ADD_LEN(file_len, sram2_len, hdr_len); 88768025d5fSSara Sharon 88868025d5fSSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) 88968025d5fSSara Sharon ADD_LEN(file_len, le32_to_cpu(fw_mem[i].len), hdr_len); 890520f03eaSShahar S Matityahu } 8917174beb6SJohannes Berg 8927174beb6SJohannes Berg /* Make room for fw's virtual image pages, if it exists */ 89356b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 8947174beb6SJohannes Berg file_len += fwrt->num_of_paging_blk * 8957174beb6SJohannes Berg (sizeof(*dump_data) + 8967174beb6SJohannes Berg sizeof(struct iwl_fw_error_dump_paging) + 8977174beb6SJohannes Berg PAGING_BLOCK_SIZE); 8987174beb6SJohannes Berg 8992d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 9002d8c2615SShahar S Matityahu file_len += sizeof(*dump_data) + 9012d8c2615SShahar S Matityahu fwrt->trans->cfg->d3_debug_data_length * 2; 9022d8c2615SShahar S Matityahu } 9032d8c2615SShahar S Matityahu 9047174beb6SJohannes Berg /* If we only want a monitor dump, reset the file length */ 905124e0ebaSSara Sharon if (fwrt->dump.monitor_only) { 906ce27f005SGolan Ben-Ami file_len = sizeof(*dump_file) + sizeof(*dump_data) * 2 + 907ce27f005SGolan Ben-Ami sizeof(*dump_info) + sizeof(*dump_smem_cfg); 9087174beb6SJohannes Berg } 9097174beb6SJohannes Berg 910e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 911520f03eaSShahar S Matityahu fwrt->dump.desc) 9127174beb6SJohannes Berg file_len += sizeof(*dump_data) + sizeof(*dump_trig) + 9137174beb6SJohannes Berg fwrt->dump.desc->len; 9147174beb6SJohannes Berg 9157174beb6SJohannes Berg dump_file = vzalloc(file_len); 916a6820511SSara Sharon if (!dump_file) 917a6820511SSara Sharon return NULL; 9187174beb6SJohannes Berg 9197174beb6SJohannes Berg fw_error_dump->fwrt_ptr = dump_file; 9207174beb6SJohannes Berg 9217174beb6SJohannes Berg dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 9227174beb6SJohannes Berg dump_data = (void *)dump_file->data; 9237174beb6SJohannes Berg 924e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) { 9257174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); 9267174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_info)); 9277174beb6SJohannes Berg dump_info = (void *)dump_data->data; 9287174beb6SJohannes Berg dump_info->device_family = 929520f03eaSShahar S Matityahu fwrt->trans->cfg->device_family == 930520f03eaSShahar S Matityahu IWL_DEVICE_FAMILY_7000 ? 9317174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : 9327174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); 933520f03eaSShahar S Matityahu dump_info->hw_step = 934520f03eaSShahar S Matityahu cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev)); 9357174beb6SJohannes Berg memcpy(dump_info->fw_human_readable, fwrt->fw->human_readable, 9367174beb6SJohannes Berg sizeof(dump_info->fw_human_readable)); 9377174beb6SJohannes Berg strncpy(dump_info->dev_human_readable, fwrt->trans->cfg->name, 938520f03eaSShahar S Matityahu sizeof(dump_info->dev_human_readable) - 1); 9397174beb6SJohannes Berg strncpy(dump_info->bus_human_readable, fwrt->dev->bus->name, 940520f03eaSShahar S Matityahu sizeof(dump_info->bus_human_readable) - 1); 941d3561e0eSShahar S Matityahu dump_info->num_of_lmacs = fwrt->smem_cfg.num_lmacs; 942d3561e0eSShahar S Matityahu dump_info->lmac_err_id[0] = 943d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[0]); 944d3561e0eSShahar S Matityahu if (fwrt->smem_cfg.num_lmacs > 1) 945d3561e0eSShahar S Matityahu dump_info->lmac_err_id[1] = 946d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[1]); 947d3561e0eSShahar S Matityahu dump_info->umac_err_id = cpu_to_le32(fwrt->dump.umac_err_id); 9487174beb6SJohannes Berg 9497174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 950520f03eaSShahar S Matityahu } 951ce27f005SGolan Ben-Ami 952e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) { 953ce27f005SGolan Ben-Ami /* Dump shared memory configuration */ 954ce27f005SGolan Ben-Ami dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_CFG); 955ce27f005SGolan Ben-Ami dump_data->len = cpu_to_le32(sizeof(*dump_smem_cfg)); 956ce27f005SGolan Ben-Ami dump_smem_cfg = (void *)dump_data->data; 957ce27f005SGolan Ben-Ami dump_smem_cfg->num_lmacs = cpu_to_le32(mem_cfg->num_lmacs); 958ce27f005SGolan Ben-Ami dump_smem_cfg->num_txfifo_entries = 959ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->num_txfifo_entries); 960ce27f005SGolan Ben-Ami for (i = 0; i < MAX_NUM_LMAC; i++) { 961ce27f005SGolan Ben-Ami int j; 962520f03eaSShahar S Matityahu u32 *txf_size = mem_cfg->lmac[i].txfifo_size; 963ce27f005SGolan Ben-Ami 964ce27f005SGolan Ben-Ami for (j = 0; j < TX_FIFO_MAX_NUM; j++) 965ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].txfifo_size[j] = 966520f03eaSShahar S Matityahu cpu_to_le32(txf_size[j]); 967ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].rxfifo1_size = 968ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->lmac[i].rxfifo1_size); 969ce27f005SGolan Ben-Ami } 970520f03eaSShahar S Matityahu dump_smem_cfg->rxfifo2_size = 971520f03eaSShahar S Matityahu cpu_to_le32(mem_cfg->rxfifo2_size); 972ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_addr = 973ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_addr); 974ce27f005SGolan Ben-Ami for (i = 0; i < TX_FIFO_INTERNAL_MAX_NUM; i++) { 975ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_size[i] = 976ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_size[i]); 977ce27f005SGolan Ben-Ami } 978ce27f005SGolan Ben-Ami 979ce27f005SGolan Ben-Ami dump_data = iwl_fw_error_next_data(dump_data); 980520f03eaSShahar S Matityahu } 981ce27f005SGolan Ben-Ami 9827174beb6SJohannes Berg /* We only dump the FIFOs if the FW is in error state */ 98368025d5fSSara Sharon if (fifo_len) { 98432b258e9SSara Sharon iwl_fw_dump_rxf(fwrt, &dump_data); 98532b258e9SSara Sharon iwl_fw_dump_txf(fwrt, &dump_data); 9867174beb6SJohannes Berg if (radio_len) 9877174beb6SJohannes Berg iwl_read_radio_regs(fwrt, &dump_data); 9887174beb6SJohannes Berg } 9897174beb6SJohannes Berg 990e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 991520f03eaSShahar S Matityahu fwrt->dump.desc) { 9927174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); 9937174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_trig) + 9947174beb6SJohannes Berg fwrt->dump.desc->len); 9957174beb6SJohannes Berg dump_trig = (void *)dump_data->data; 9967174beb6SJohannes Berg memcpy(dump_trig, &fwrt->dump.desc->trig_desc, 9977174beb6SJohannes Berg sizeof(*dump_trig) + fwrt->dump.desc->len); 9987174beb6SJohannes Berg 9997174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 10007174beb6SJohannes Berg } 10017174beb6SJohannes Berg 10027174beb6SJohannes Berg /* In case we only want monitor dump, skip to dump trasport data */ 1003124e0ebaSSara Sharon if (fwrt->dump.monitor_only) 1004a6820511SSara Sharon goto out; 10057174beb6SJohannes Berg 1006e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 10077339cc29SSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = 10087339cc29SSara Sharon fwrt->fw->dbg.mem_tlv; 1009da752717SShahar S Matityahu 10107339cc29SSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 10117339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram_len, sram_ofs, 10127339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 10137339cc29SSara Sharon 10147339cc29SSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) { 10157339cc29SSara Sharon u32 len = le32_to_cpu(fw_dbg_mem[i].len); 10167339cc29SSara Sharon u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs); 10177339cc29SSara Sharon 10187339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, len, ofs, 10197339cc29SSara Sharon le32_to_cpu(fw_dbg_mem[i].data_type)); 10207339cc29SSara Sharon } 10217339cc29SSara Sharon 10227339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, smem_len, 10237339cc29SSara Sharon fwrt->trans->cfg->smem_offset, 10247339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SMEM); 10257339cc29SSara Sharon 10267339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram2_len, 10277339cc29SSara Sharon fwrt->trans->cfg->dccm2_offset, 10287339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 10297339cc29SSara Sharon } 10307174beb6SJohannes Berg 10312d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 10322d8c2615SShahar S Matityahu u32 addr = fwrt->trans->cfg->d3_debug_data_base_addr; 10332d8c2615SShahar S Matityahu size_t data_size = fwrt->trans->cfg->d3_debug_data_length; 10342d8c2615SShahar S Matityahu 10352d8c2615SShahar S Matityahu dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); 10362d8c2615SShahar S Matityahu dump_data->len = cpu_to_le32(data_size * 2); 10372d8c2615SShahar S Matityahu 1038da752717SShahar S Matityahu memcpy(dump_data->data, fwrt->dump.d3_debug_data, data_size); 10392d8c2615SShahar S Matityahu 10402d8c2615SShahar S Matityahu kfree(fwrt->dump.d3_debug_data); 10412d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = NULL; 10422d8c2615SShahar S Matityahu 10432d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr, 10442d8c2615SShahar S Matityahu dump_data->data + data_size, 10452d8c2615SShahar S Matityahu data_size); 10462d8c2615SShahar S Matityahu 10472d8c2615SShahar S Matityahu dump_data = iwl_fw_error_next_data(dump_data); 10482d8c2615SShahar S Matityahu } 10492d8c2615SShahar S Matityahu 10507174beb6SJohannes Berg /* Dump fw's virtual image */ 105156b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 105256b657f7SSara Sharon iwl_dump_paging(fwrt, &dump_data); 10537174beb6SJohannes Berg 10547e08baebSShahar S Matityahu if (prph_len) 10557e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &dump_data, iwl_dump_prph); 10567174beb6SJohannes Berg 1057a6820511SSara Sharon out: 1058a6820511SSara Sharon dump_file->file_len = cpu_to_le32(file_len); 1059a6820511SSara Sharon return dump_file; 1060a6820511SSara Sharon } 1061a6820511SSara Sharon 10627a14c23dSSara Sharon static void iwl_dump_prph_ini(struct iwl_trans *trans, 10637a14c23dSSara Sharon struct iwl_fw_error_dump_data **data, 10647a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg) 10657a14c23dSSara Sharon { 10667a14c23dSSara Sharon struct iwl_fw_error_dump_prph *prph; 10677a14c23dSSara Sharon unsigned long flags; 10687a14c23dSSara Sharon u32 i, size = le32_to_cpu(reg->num_regions); 10697a14c23dSSara Sharon 10707a14c23dSSara Sharon IWL_DEBUG_INFO(trans, "WRT PRPH dump\n"); 10717a14c23dSSara Sharon 10727a14c23dSSara Sharon if (!iwl_trans_grab_nic_access(trans, &flags)) 10737a14c23dSSara Sharon return; 10747a14c23dSSara Sharon 10757a14c23dSSara Sharon for (i = 0; i < size; i++) { 10767a14c23dSSara Sharon (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH); 10777a14c23dSSara Sharon (*data)->len = cpu_to_le32(le32_to_cpu(reg->size) + 10787a14c23dSSara Sharon sizeof(*prph)); 10797a14c23dSSara Sharon prph = (void *)(*data)->data; 10807a14c23dSSara Sharon prph->prph_start = reg->start_addr[i]; 10817a14c23dSSara Sharon prph->data[0] = cpu_to_le32(iwl_read_prph_no_grab(trans, 10827a14c23dSSara Sharon le32_to_cpu(prph->prph_start))); 10837a14c23dSSara Sharon *data = iwl_fw_error_next_data(*data); 10847a14c23dSSara Sharon } 10857a14c23dSSara Sharon iwl_trans_release_nic_access(trans, &flags); 10867a14c23dSSara Sharon } 10877a14c23dSSara Sharon 10887a14c23dSSara Sharon static void iwl_dump_csr_ini(struct iwl_trans *trans, 10897a14c23dSSara Sharon struct iwl_fw_error_dump_data **data, 10907a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg) 10917a14c23dSSara Sharon { 10927a14c23dSSara Sharon int i, num = le32_to_cpu(reg->num_regions); 10937a14c23dSSara Sharon u32 size = le32_to_cpu(reg->size); 10947a14c23dSSara Sharon 10957a14c23dSSara Sharon IWL_DEBUG_INFO(trans, "WRT CSR dump\n"); 10967a14c23dSSara Sharon 10977a14c23dSSara Sharon for (i = 0; i < num; i++) { 10987a14c23dSSara Sharon u32 add = le32_to_cpu(reg->start_addr[i]); 10997a14c23dSSara Sharon __le32 *val; 11007a14c23dSSara Sharon int j; 11017a14c23dSSara Sharon 11027a14c23dSSara Sharon (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_CSR); 11037a14c23dSSara Sharon (*data)->len = cpu_to_le32(size); 11047a14c23dSSara Sharon val = (void *)(*data)->data; 11057a14c23dSSara Sharon 11067a14c23dSSara Sharon for (j = 0; j < size; j += 4) 11077a14c23dSSara Sharon *val++ = cpu_to_le32(iwl_trans_read32(trans, j + add)); 11087a14c23dSSara Sharon 11097a14c23dSSara Sharon *data = iwl_fw_error_next_data(*data); 11107a14c23dSSara Sharon } 11117a14c23dSSara Sharon } 11127a14c23dSSara Sharon 11137a14c23dSSara Sharon static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, 11147a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger) 11157a14c23dSSara Sharon { 11167a14c23dSSara Sharon int i, num, size = 0, hdr_len = sizeof(struct iwl_fw_error_dump_data); 11177a14c23dSSara Sharon 11187a14c23dSSara Sharon if (!trigger || !trigger->num_regions) 11197a14c23dSSara Sharon return 0; 11207a14c23dSSara Sharon 11217a14c23dSSara Sharon num = le32_to_cpu(trigger->num_regions); 11227a14c23dSSara Sharon for (i = 0; i < num; i++) { 11237a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 11247a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 11257a14c23dSSara Sharon enum iwl_fw_ini_region_type type; 11267a14c23dSSara Sharon u32 num_entries; 11277a14c23dSSara Sharon 11287a14c23dSSara Sharon if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) 11297a14c23dSSara Sharon continue; 11307a14c23dSSara Sharon 11317a14c23dSSara Sharon reg = fwrt->dump.active_regs[reg_id].reg; 11327a14c23dSSara Sharon if (WARN(!reg, "Unassigned region %d\n", reg_id)) 11337a14c23dSSara Sharon continue; 11347a14c23dSSara Sharon 11357a14c23dSSara Sharon type = le32_to_cpu(reg->region_type); 11367a14c23dSSara Sharon num_entries = le32_to_cpu(reg->num_regions); 11377a14c23dSSara Sharon 11387a14c23dSSara Sharon switch (type) { 11397a14c23dSSara Sharon case IWL_FW_INI_REGION_DEVICE_MEMORY: 11407a14c23dSSara Sharon size += hdr_len + 11417a14c23dSSara Sharon sizeof(struct iwl_fw_error_dump_named_mem) + 11427a14c23dSSara Sharon le32_to_cpu(reg->size); 11437a14c23dSSara Sharon break; 11447a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_MAC: 11457a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_PHY: 11467a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_AUX: 11477a14c23dSSara Sharon size += num_entries * 11487a14c23dSSara Sharon (hdr_len + 11497a14c23dSSara Sharon sizeof(struct iwl_fw_error_dump_prph) + 11507a14c23dSSara Sharon sizeof(u32)); 11517a14c23dSSara Sharon break; 11527a14c23dSSara Sharon case IWL_FW_INI_REGION_TXF: 11537a14c23dSSara Sharon size += iwl_fw_txf_len(fwrt, &fwrt->smem_cfg); 11547a14c23dSSara Sharon break; 11557a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 11567a14c23dSSara Sharon size += iwl_fw_rxf_len(fwrt, &fwrt->smem_cfg); 11577a14c23dSSara Sharon break; 11587a14c23dSSara Sharon case IWL_FW_INI_REGION_PAGING: 11597a14c23dSSara Sharon if (!iwl_fw_dbg_is_paging_enabled(fwrt)) 11607a14c23dSSara Sharon break; 11617a14c23dSSara Sharon size += fwrt->num_of_paging_blk * 11627a14c23dSSara Sharon (hdr_len + 11637a14c23dSSara Sharon sizeof(struct iwl_fw_error_dump_paging) + 11647a14c23dSSara Sharon PAGING_BLOCK_SIZE); 11657a14c23dSSara Sharon break; 11667a14c23dSSara Sharon case IWL_FW_INI_REGION_CSR: 11677a14c23dSSara Sharon size += num_entries * 11687a14c23dSSara Sharon (hdr_len + le32_to_cpu(reg->size)); 11697a14c23dSSara Sharon break; 11707a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 11717a14c23dSSara Sharon /* Transport takes care of DRAM dumping */ 11727a14c23dSSara Sharon case IWL_FW_INI_REGION_INTERNAL_BUFFER: 11737a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 11747a14c23dSSara Sharon /* Undefined yet */ 11757a14c23dSSara Sharon default: 11767a14c23dSSara Sharon break; 11777a14c23dSSara Sharon } 11787a14c23dSSara Sharon } 11797a14c23dSSara Sharon return size; 11807a14c23dSSara Sharon } 11817a14c23dSSara Sharon 11827a14c23dSSara Sharon static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, 11837a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger, 11847a14c23dSSara Sharon struct iwl_fw_error_dump_data **data, 11857a14c23dSSara Sharon u32 *dump_mask) 11867a14c23dSSara Sharon { 11877a14c23dSSara Sharon int i, num = le32_to_cpu(trigger->num_regions); 11887a14c23dSSara Sharon 11897a14c23dSSara Sharon for (i = 0; i < num; i++) { 11907a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 11917a14c23dSSara Sharon enum iwl_fw_ini_region_type type; 11927a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 11937a14c23dSSara Sharon 11947a14c23dSSara Sharon if (reg_id >= ARRAY_SIZE(fwrt->dump.active_regs)) 11957a14c23dSSara Sharon continue; 11967a14c23dSSara Sharon 11977a14c23dSSara Sharon reg = fwrt->dump.active_regs[reg_id].reg; 11987a14c23dSSara Sharon /* Don't warn, get_trigger_len already warned */ 11997a14c23dSSara Sharon if (!reg) 12007a14c23dSSara Sharon continue; 12017a14c23dSSara Sharon 12027a14c23dSSara Sharon type = le32_to_cpu(reg->region_type); 12037a14c23dSSara Sharon switch (type) { 12047a14c23dSSara Sharon case IWL_FW_INI_REGION_DEVICE_MEMORY: 12057a14c23dSSara Sharon if (WARN_ON(le32_to_cpu(reg->num_regions) > 1)) 12067a14c23dSSara Sharon continue; 12077a14c23dSSara Sharon iwl_fw_dump_named_mem(fwrt, data, 12087a14c23dSSara Sharon le32_to_cpu(reg->size), 12097a14c23dSSara Sharon le32_to_cpu(reg->start_addr[0]), 12107a14c23dSSara Sharon reg->name, 12117a14c23dSSara Sharon le32_to_cpu(reg->name_len)); 12127a14c23dSSara Sharon break; 12137a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_MAC: 12147a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_PHY: 12157a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_AUX: 12167a14c23dSSara Sharon iwl_dump_prph_ini(fwrt->trans, data, reg); 12177a14c23dSSara Sharon break; 12187a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 12197a14c23dSSara Sharon *dump_mask |= IWL_FW_ERROR_DUMP_FW_MONITOR; 12207a14c23dSSara Sharon break; 12217a14c23dSSara Sharon case IWL_FW_INI_REGION_PAGING: 12227a14c23dSSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 12237a14c23dSSara Sharon iwl_dump_paging(fwrt, data); 12247a14c23dSSara Sharon else 12257a14c23dSSara Sharon *dump_mask |= IWL_FW_ERROR_DUMP_PAGING; 12267a14c23dSSara Sharon break; 12277a14c23dSSara Sharon case IWL_FW_INI_REGION_TXF: 12287a14c23dSSara Sharon iwl_fw_dump_txf(fwrt, data); 12297a14c23dSSara Sharon break; 12307a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 12317a14c23dSSara Sharon iwl_fw_dump_rxf(fwrt, data); 12327a14c23dSSara Sharon break; 12337a14c23dSSara Sharon case IWL_FW_INI_REGION_CSR: 12347a14c23dSSara Sharon iwl_dump_csr_ini(fwrt->trans, data, reg); 12357a14c23dSSara Sharon break; 12367a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 12377a14c23dSSara Sharon case IWL_FW_INI_REGION_INTERNAL_BUFFER: 12387a14c23dSSara Sharon /* This is undefined yet */ 12397a14c23dSSara Sharon default: 12407a14c23dSSara Sharon break; 12417a14c23dSSara Sharon } 12427a14c23dSSara Sharon } 12437a14c23dSSara Sharon } 12447a14c23dSSara Sharon 12457a14c23dSSara Sharon static struct iwl_fw_error_dump_file * 12467a14c23dSSara Sharon _iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, 12477a14c23dSSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump, 12487a14c23dSSara Sharon u32 *dump_mask) 12497a14c23dSSara Sharon { 12507a14c23dSSara Sharon int size, id = le32_to_cpu(fwrt->dump.desc->trig_desc.type); 12517a14c23dSSara Sharon struct iwl_fw_error_dump_data *dump_data; 12527a14c23dSSara Sharon struct iwl_fw_error_dump_file *dump_file; 12537a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger, *ext; 12547a14c23dSSara Sharon 12557a14c23dSSara Sharon if (id == FW_DBG_TRIGGER_FW_ASSERT) 12567a14c23dSSara Sharon id = IWL_FW_TRIGGER_ID_FW_ASSERT; 12577a14c23dSSara Sharon 12587a14c23dSSara Sharon if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) 12597a14c23dSSara Sharon return NULL; 12607a14c23dSSara Sharon 12617a14c23dSSara Sharon trigger = fwrt->dump.active_trigs[id].conf; 12627a14c23dSSara Sharon ext = fwrt->dump.active_trigs[id].conf_ext; 12637a14c23dSSara Sharon 12647a14c23dSSara Sharon size = sizeof(*dump_file); 12657a14c23dSSara Sharon size += iwl_fw_ini_get_trigger_len(fwrt, trigger); 12667a14c23dSSara Sharon size += iwl_fw_ini_get_trigger_len(fwrt, ext); 12677a14c23dSSara Sharon 12687a14c23dSSara Sharon if (!size) 12697a14c23dSSara Sharon return NULL; 12707a14c23dSSara Sharon 12717a14c23dSSara Sharon dump_file = vzalloc(size); 12727a14c23dSSara Sharon if (!dump_file) 12737a14c23dSSara Sharon return NULL; 12747a14c23dSSara Sharon 12757a14c23dSSara Sharon fw_error_dump->fwrt_ptr = dump_file; 12767a14c23dSSara Sharon 12777a14c23dSSara Sharon dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 12787a14c23dSSara Sharon dump_data = (void *)dump_file->data; 12797a14c23dSSara Sharon dump_file->file_len = cpu_to_le32(size); 12807a14c23dSSara Sharon 12817a14c23dSSara Sharon *dump_mask = 0; 12827a14c23dSSara Sharon if (trigger) 12837a14c23dSSara Sharon iwl_fw_ini_dump_trigger(fwrt, trigger, &dump_data, dump_mask); 12847a14c23dSSara Sharon if (ext) 12857a14c23dSSara Sharon iwl_fw_ini_dump_trigger(fwrt, ext, &dump_data, dump_mask); 12867a14c23dSSara Sharon 12877a14c23dSSara Sharon return dump_file; 12887a14c23dSSara Sharon } 12897a14c23dSSara Sharon 1290a6820511SSara Sharon void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt) 1291a6820511SSara Sharon { 1292a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump; 1293a6820511SSara Sharon struct iwl_fw_error_dump_file *dump_file; 1294a6820511SSara Sharon struct scatterlist *sg_dump_data; 1295a6820511SSara Sharon u32 file_len; 129679f033f6SSara Sharon u32 dump_mask = fwrt->fw->dbg.dump_mask; 1297a6820511SSara Sharon 1298a6820511SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT dump start\n"); 1299a6820511SSara Sharon 1300a6820511SSara Sharon /* there's no point in fw dump if the bus is dead */ 1301a6820511SSara Sharon if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) { 1302a6820511SSara Sharon IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n"); 1303a6820511SSara Sharon goto out; 1304a6820511SSara Sharon } 1305a6820511SSara Sharon 1306a6820511SSara Sharon fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); 1307a6820511SSara Sharon if (!fw_error_dump) 1308a6820511SSara Sharon goto out; 1309a6820511SSara Sharon 13107a14c23dSSara Sharon if (fwrt->trans->ini_valid) 13117a14c23dSSara Sharon dump_file = _iwl_fw_error_ini_dump(fwrt, fw_error_dump, 13127a14c23dSSara Sharon &dump_mask); 13137a14c23dSSara Sharon else 1314a6820511SSara Sharon dump_file = _iwl_fw_error_dump(fwrt, fw_error_dump); 13157a14c23dSSara Sharon 1316a6820511SSara Sharon if (!dump_file) { 1317a6820511SSara Sharon kfree(fw_error_dump); 1318a6820511SSara Sharon goto out; 1319a6820511SSara Sharon } 1320a6820511SSara Sharon 13217a14c23dSSara Sharon if (!fwrt->trans->ini_valid && fwrt->dump.monitor_only) 132279f033f6SSara Sharon dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR; 132379f033f6SSara Sharon 132479f033f6SSara Sharon fw_error_dump->trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask); 1325a6820511SSara Sharon file_len = le32_to_cpu(dump_file->file_len); 13267174beb6SJohannes Berg fw_error_dump->fwrt_len = file_len; 1327a6820511SSara Sharon if (fw_error_dump->trans_ptr) { 13287174beb6SJohannes Berg file_len += fw_error_dump->trans_ptr->len; 13297174beb6SJohannes Berg dump_file->file_len = cpu_to_le32(file_len); 1330a6820511SSara Sharon } 13317174beb6SJohannes Berg 13327174beb6SJohannes Berg sg_dump_data = alloc_sgtable(file_len); 13337174beb6SJohannes Berg if (sg_dump_data) { 13347174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 13357174beb6SJohannes Berg sg_nents(sg_dump_data), 13367174beb6SJohannes Berg fw_error_dump->fwrt_ptr, 13377174beb6SJohannes Berg fw_error_dump->fwrt_len, 0); 13387174beb6SJohannes Berg if (fw_error_dump->trans_ptr) 13397174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 13407174beb6SJohannes Berg sg_nents(sg_dump_data), 13417174beb6SJohannes Berg fw_error_dump->trans_ptr->data, 13427174beb6SJohannes Berg fw_error_dump->trans_ptr->len, 13437174beb6SJohannes Berg fw_error_dump->fwrt_len); 13447174beb6SJohannes Berg dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, 13457174beb6SJohannes Berg GFP_KERNEL); 13467174beb6SJohannes Berg } 13477174beb6SJohannes Berg vfree(fw_error_dump->fwrt_ptr); 13487174beb6SJohannes Berg vfree(fw_error_dump->trans_ptr); 13497174beb6SJohannes Berg kfree(fw_error_dump); 13507174beb6SJohannes Berg 13517174beb6SJohannes Berg out: 13527174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 13537174beb6SJohannes Berg clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); 1354b88beaf9SIlan Peer IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); 13557174beb6SJohannes Berg } 13567174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_error_dump); 13577174beb6SJohannes Berg 13587174beb6SJohannes Berg const struct iwl_fw_dump_desc iwl_dump_desc_assert = { 13597174beb6SJohannes Berg .trig_desc = { 13607174beb6SJohannes Berg .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), 13617174beb6SJohannes Berg }, 13627174beb6SJohannes Berg }; 13637174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_dump_desc_assert); 13647174beb6SJohannes Berg 136571256480SLior Cohen void iwl_fw_assert_error_dump(struct iwl_fw_runtime *fwrt) 136671256480SLior Cohen { 136771256480SLior Cohen IWL_INFO(fwrt, "error dump due to fw assert\n"); 136871256480SLior Cohen fwrt->dump.desc = &iwl_dump_desc_assert; 136971256480SLior Cohen iwl_fw_error_dump(fwrt); 137071256480SLior Cohen } 137171256480SLior Cohen IWL_EXPORT_SYMBOL(iwl_fw_assert_error_dump); 137271256480SLior Cohen 1373f38efdb2SShahar S Matityahu void iwl_fw_alive_error_dump(struct iwl_fw_runtime *fwrt) 1374f38efdb2SShahar S Matityahu { 1375f38efdb2SShahar S Matityahu struct iwl_fw_dump_desc *iwl_dump_desc_no_alive = 1376f38efdb2SShahar S Matityahu kmalloc(sizeof(*iwl_dump_desc_no_alive), GFP_KERNEL); 1377f38efdb2SShahar S Matityahu 1378f38efdb2SShahar S Matityahu if (!iwl_dump_desc_no_alive) 1379f38efdb2SShahar S Matityahu return; 1380f38efdb2SShahar S Matityahu 1381f38efdb2SShahar S Matityahu iwl_dump_desc_no_alive->trig_desc.type = 1382f38efdb2SShahar S Matityahu cpu_to_le32(FW_DBG_TRIGGER_NO_ALIVE); 1383f38efdb2SShahar S Matityahu iwl_dump_desc_no_alive->len = 0; 1384f38efdb2SShahar S Matityahu 1385f38efdb2SShahar S Matityahu if (WARN_ON(fwrt->dump.desc)) 1386f38efdb2SShahar S Matityahu iwl_fw_free_dump_desc(fwrt); 1387f38efdb2SShahar S Matityahu 1388f38efdb2SShahar S Matityahu IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", 1389f38efdb2SShahar S Matityahu FW_DBG_TRIGGER_NO_ALIVE); 1390f38efdb2SShahar S Matityahu 1391f38efdb2SShahar S Matityahu fwrt->dump.desc = iwl_dump_desc_no_alive; 1392f38efdb2SShahar S Matityahu iwl_fw_error_dump(fwrt); 1393f38efdb2SShahar S Matityahu clear_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &fwrt->status); 1394f38efdb2SShahar S Matityahu } 1395f38efdb2SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_alive_error_dump); 1396f38efdb2SShahar S Matityahu 13977174beb6SJohannes Berg int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, 1398124e0ebaSSara Sharon const struct iwl_fw_dump_desc *desc, 1399124e0ebaSSara Sharon bool monitor_only, 1400ea7cb829SSara Sharon unsigned int delay) 14017174beb6SJohannes Berg { 1402dfd4b08cSLiad Kaufman /* 1403dfd4b08cSLiad Kaufman * If the loading of the FW completed successfully, the next step is to 1404dfd4b08cSLiad Kaufman * get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non 1405dfd4b08cSLiad Kaufman * zero, the FW was already loaded successully. If the state is "NO_FW" 140684f26025SJohannes Berg * in such a case - exit, since FW may be dead. Otherwise, we 1407dfd4b08cSLiad Kaufman * can try to collect the data, since FW might just not be fully 1408dfd4b08cSLiad Kaufman * loaded (no "ALIVE" yet), and the debug data is accessible. 1409dfd4b08cSLiad Kaufman * 1410dfd4b08cSLiad Kaufman * Corner case: got the FW alive but crashed before getting the SMEM 1411dfd4b08cSLiad Kaufman * config. In such a case, due to HW access problems, we might 1412dfd4b08cSLiad Kaufman * collect garbage. 1413dfd4b08cSLiad Kaufman */ 141484f26025SJohannes Berg if (fwrt->trans->state == IWL_TRANS_NO_FW && 141584f26025SJohannes Berg fwrt->smem_cfg.num_lmacs) 14167174beb6SJohannes Berg return -EIO; 14177174beb6SJohannes Berg 1418f38efdb2SShahar S Matityahu if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status) || 1419f38efdb2SShahar S Matityahu test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &fwrt->status)) 14207174beb6SJohannes Berg return -EBUSY; 14217174beb6SJohannes Berg 14227174beb6SJohannes Berg if (WARN_ON(fwrt->dump.desc)) 14237174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 14247174beb6SJohannes Berg 14257174beb6SJohannes Berg IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", 14267174beb6SJohannes Berg le32_to_cpu(desc->trig_desc.type)); 14277174beb6SJohannes Berg 14287174beb6SJohannes Berg fwrt->dump.desc = desc; 1429124e0ebaSSara Sharon fwrt->dump.monitor_only = monitor_only; 14307174beb6SJohannes Berg 14317174beb6SJohannes Berg schedule_delayed_work(&fwrt->dump.wk, delay); 14327174beb6SJohannes Berg 14337174beb6SJohannes Berg return 0; 14347174beb6SJohannes Berg } 14357174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc); 14367174beb6SJohannes Berg 1437fe1b7d6cSSara Sharon int _iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 14387174beb6SJohannes Berg enum iwl_fw_dbg_trigger trig, 14397174beb6SJohannes Berg const char *str, size_t len, 1440af303252SSara Sharon struct iwl_fw_dbg_trigger_tlv *trigger) 14417174beb6SJohannes Berg { 14427174beb6SJohannes Berg struct iwl_fw_dump_desc *desc; 1443ea7cb829SSara Sharon unsigned int delay = 0; 1444124e0ebaSSara Sharon bool monitor_only = false; 14457174beb6SJohannes Berg 1446ea7cb829SSara Sharon if (trigger) { 1447ea7cb829SSara Sharon u16 occurrences = le16_to_cpu(trigger->occurrences) - 1; 1448ea7cb829SSara Sharon 1449ea7cb829SSara Sharon if (!le16_to_cpu(trigger->occurrences)) 1450af303252SSara Sharon return 0; 1451af303252SSara Sharon 1452ea7cb829SSara Sharon if (trigger->flags & IWL_FW_DBG_FORCE_RESTART) { 1453ea7cb829SSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", 1454ea7cb829SSara Sharon trig); 1455378c8931SShahar S Matityahu iwl_force_nmi(fwrt->trans); 1456378c8931SShahar S Matityahu return 0; 1457378c8931SShahar S Matityahu } 1458378c8931SShahar S Matityahu 1459ea7cb829SSara Sharon trigger->occurrences = cpu_to_le16(occurrences); 1460ea7cb829SSara Sharon delay = le16_to_cpu(trigger->trig_dis_ms); 1461124e0ebaSSara Sharon monitor_only = trigger->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY; 1462ea7cb829SSara Sharon } 1463ea7cb829SSara Sharon 14647174beb6SJohannes Berg desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 14657174beb6SJohannes Berg if (!desc) 14667174beb6SJohannes Berg return -ENOMEM; 14677174beb6SJohannes Berg 1468af303252SSara Sharon 14697174beb6SJohannes Berg desc->len = len; 14707174beb6SJohannes Berg desc->trig_desc.type = cpu_to_le32(trig); 14717174beb6SJohannes Berg memcpy(desc->trig_desc.data, str, len); 14727174beb6SJohannes Berg 1473124e0ebaSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); 14747174beb6SJohannes Berg } 1475fe1b7d6cSSara Sharon IWL_EXPORT_SYMBOL(_iwl_fw_dbg_collect); 1476fe1b7d6cSSara Sharon 1477fe1b7d6cSSara Sharon int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 1478fe1b7d6cSSara Sharon u32 id, const char *str, size_t len) 1479fe1b7d6cSSara Sharon { 1480fe1b7d6cSSara Sharon struct iwl_fw_dump_desc *desc; 1481fe1b7d6cSSara Sharon u32 occur, delay; 1482fe1b7d6cSSara Sharon 1483fe1b7d6cSSara Sharon if (!fwrt->trans->ini_valid) 1484fe1b7d6cSSara Sharon return _iwl_fw_dbg_collect(fwrt, id, str, len, NULL); 1485fe1b7d6cSSara Sharon 1486fe1b7d6cSSara Sharon if (id == FW_DBG_TRIGGER_USER) 1487fe1b7d6cSSara Sharon id = IWL_FW_TRIGGER_ID_USER_TRIGGER; 1488fe1b7d6cSSara Sharon 1489fe1b7d6cSSara Sharon if (WARN_ON(!fwrt->dump.active_trigs[id].active)) 1490fe1b7d6cSSara Sharon return -EINVAL; 1491fe1b7d6cSSara Sharon 1492*b2aea95cSShahar S Matityahu delay = le32_to_cpu(fwrt->dump.active_trigs[id].conf->dump_delay); 1493fe1b7d6cSSara Sharon occur = le32_to_cpu(fwrt->dump.active_trigs[id].conf->occurrences); 1494fe1b7d6cSSara Sharon if (!occur) 1495fe1b7d6cSSara Sharon return 0; 1496fe1b7d6cSSara Sharon 1497fe1b7d6cSSara Sharon if (le32_to_cpu(fwrt->dump.active_trigs[id].conf->force_restart)) { 1498fe1b7d6cSSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", id); 1499fe1b7d6cSSara Sharon iwl_force_nmi(fwrt->trans); 1500fe1b7d6cSSara Sharon return 0; 1501fe1b7d6cSSara Sharon } 1502fe1b7d6cSSara Sharon 1503fe1b7d6cSSara Sharon desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 1504fe1b7d6cSSara Sharon if (!desc) 1505fe1b7d6cSSara Sharon return -ENOMEM; 1506fe1b7d6cSSara Sharon 1507fe1b7d6cSSara Sharon occur--; 1508fe1b7d6cSSara Sharon fwrt->dump.active_trigs[id].conf->occurrences = cpu_to_le32(occur); 1509fe1b7d6cSSara Sharon 1510fe1b7d6cSSara Sharon desc->len = len; 1511fe1b7d6cSSara Sharon desc->trig_desc.type = cpu_to_le32(id); 1512fe1b7d6cSSara Sharon memcpy(desc->trig_desc.data, str, len); 1513fe1b7d6cSSara Sharon 1514fe1b7d6cSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, true, delay); 1515fe1b7d6cSSara Sharon } 15167174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect); 15177174beb6SJohannes Berg 15187174beb6SJohannes Berg int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, 15197174beb6SJohannes Berg struct iwl_fw_dbg_trigger_tlv *trigger, 15207174beb6SJohannes Berg const char *fmt, ...) 15217174beb6SJohannes Berg { 15227174beb6SJohannes Berg int ret, len = 0; 15237174beb6SJohannes Berg char buf[64]; 15247174beb6SJohannes Berg 152574374223SSara Sharon if (fwrt->trans->ini_valid) 152674374223SSara Sharon return 0; 152774374223SSara Sharon 15287174beb6SJohannes Berg if (fmt) { 15297174beb6SJohannes Berg va_list ap; 15307174beb6SJohannes Berg 15317174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 15327174beb6SJohannes Berg 15337174beb6SJohannes Berg va_start(ap, fmt); 15347174beb6SJohannes Berg vsnprintf(buf, sizeof(buf), fmt, ap); 15357174beb6SJohannes Berg va_end(ap); 15367174beb6SJohannes Berg 15377174beb6SJohannes Berg /* check for truncation */ 15387174beb6SJohannes Berg if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) 15397174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 15407174beb6SJohannes Berg 15417174beb6SJohannes Berg len = strlen(buf) + 1; 15427174beb6SJohannes Berg } 15437174beb6SJohannes Berg 1544fe1b7d6cSSara Sharon ret = _iwl_fw_dbg_collect(fwrt, le32_to_cpu(trigger->id), buf, len, 15457174beb6SJohannes Berg trigger); 15467174beb6SJohannes Berg 15477174beb6SJohannes Berg if (ret) 15487174beb6SJohannes Berg return ret; 15497174beb6SJohannes Berg 15507174beb6SJohannes Berg return 0; 15517174beb6SJohannes Berg } 15527174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_trig); 15537174beb6SJohannes Berg 15547174beb6SJohannes Berg int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) 15557174beb6SJohannes Berg { 15567174beb6SJohannes Berg u8 *ptr; 15577174beb6SJohannes Berg int ret; 15587174beb6SJohannes Berg int i; 15597174beb6SJohannes Berg 156017b809c9SSara Sharon if (WARN_ONCE(conf_id >= ARRAY_SIZE(fwrt->fw->dbg.conf_tlv), 15617174beb6SJohannes Berg "Invalid configuration %d\n", conf_id)) 15627174beb6SJohannes Berg return -EINVAL; 15637174beb6SJohannes Berg 15647174beb6SJohannes Berg /* EARLY START - firmware's configuration is hard coded */ 156517b809c9SSara Sharon if ((!fwrt->fw->dbg.conf_tlv[conf_id] || 156617b809c9SSara Sharon !fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds) && 15677174beb6SJohannes Berg conf_id == FW_DBG_START_FROM_ALIVE) 15687174beb6SJohannes Berg return 0; 15697174beb6SJohannes Berg 157017b809c9SSara Sharon if (!fwrt->fw->dbg.conf_tlv[conf_id]) 15717174beb6SJohannes Berg return -EINVAL; 15727174beb6SJohannes Berg 15737174beb6SJohannes Berg if (fwrt->dump.conf != FW_DBG_INVALID) 15747174beb6SJohannes Berg IWL_WARN(fwrt, "FW already configured (%d) - re-configuring\n", 15757174beb6SJohannes Berg fwrt->dump.conf); 15767174beb6SJohannes Berg 15777174beb6SJohannes Berg /* Send all HCMDs for configuring the FW debug */ 157817b809c9SSara Sharon ptr = (void *)&fwrt->fw->dbg.conf_tlv[conf_id]->hcmd; 157917b809c9SSara Sharon for (i = 0; i < fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds; i++) { 15807174beb6SJohannes Berg struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; 15817174beb6SJohannes Berg struct iwl_host_cmd hcmd = { 15827174beb6SJohannes Berg .id = cmd->id, 15837174beb6SJohannes Berg .len = { le16_to_cpu(cmd->len), }, 15847174beb6SJohannes Berg .data = { cmd->data, }, 15857174beb6SJohannes Berg }; 15867174beb6SJohannes Berg 15877174beb6SJohannes Berg ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); 15887174beb6SJohannes Berg if (ret) 15897174beb6SJohannes Berg return ret; 15907174beb6SJohannes Berg 15917174beb6SJohannes Berg ptr += sizeof(*cmd); 15927174beb6SJohannes Berg ptr += le16_to_cpu(cmd->len); 15937174beb6SJohannes Berg } 15947174beb6SJohannes Berg 15957174beb6SJohannes Berg fwrt->dump.conf = conf_id; 15967174beb6SJohannes Berg 15977174beb6SJohannes Berg return 0; 15987174beb6SJohannes Berg } 15997174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf); 16007174beb6SJohannes Berg 16014244e7fcSShahar S Matityahu /* this function assumes dump_start was called beforehand and dump_end will be 16024244e7fcSShahar S Matityahu * called afterwards 16034244e7fcSShahar S Matityahu */ 16044244e7fcSShahar S Matityahu void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt) 16057174beb6SJohannes Berg { 1606d25eec30SSara Sharon struct iwl_fw_dbg_params params = {0}; 16077174beb6SJohannes Berg 16084244e7fcSShahar S Matityahu if (!test_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) 16097174beb6SJohannes Berg return; 16107174beb6SJohannes Berg 16118745f12aSShaul Triebitz if (fwrt->ops && fwrt->ops->fw_running && 16128745f12aSShaul Triebitz !fwrt->ops->fw_running(fwrt->ops_ctx)) { 16138745f12aSShaul Triebitz IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); 16148745f12aSShaul Triebitz iwl_fw_free_dump_desc(fwrt); 16158745f12aSShaul Triebitz clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); 16164244e7fcSShahar S Matityahu return; 16178745f12aSShaul Triebitz } 16188745f12aSShaul Triebitz 16195cfe79c8SSara Sharon iwl_fw_dbg_stop_recording(fwrt, ¶ms); 16207174beb6SJohannes Berg 16217174beb6SJohannes Berg iwl_fw_error_dump(fwrt); 16227174beb6SJohannes Berg 16237174beb6SJohannes Berg /* start recording again if the firmware is not crashed */ 16247174beb6SJohannes Berg if (!test_bit(STATUS_FW_ERROR, &fwrt->trans->status) && 162517b809c9SSara Sharon fwrt->fw->dbg.dest_tlv) { 16267174beb6SJohannes Berg /* wait before we collect the data till the DBGC stop */ 16277174beb6SJohannes Berg udelay(500); 16285cfe79c8SSara Sharon iwl_fw_dbg_restart_recording(fwrt, ¶ms); 16297174beb6SJohannes Berg } 16304244e7fcSShahar S Matityahu } 16314244e7fcSShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_sync); 16324244e7fcSShahar S Matityahu 16334244e7fcSShahar S Matityahu void iwl_fw_error_dump_wk(struct work_struct *work) 16344244e7fcSShahar S Matityahu { 16354244e7fcSShahar S Matityahu struct iwl_fw_runtime *fwrt = 16364244e7fcSShahar S Matityahu container_of(work, struct iwl_fw_runtime, dump.wk.work); 16374244e7fcSShahar S Matityahu 16384244e7fcSShahar S Matityahu if (fwrt->ops && fwrt->ops->dump_start && 16394244e7fcSShahar S Matityahu fwrt->ops->dump_start(fwrt->ops_ctx)) 16404244e7fcSShahar S Matityahu return; 16414244e7fcSShahar S Matityahu 16424244e7fcSShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt); 16434244e7fcSShahar S Matityahu 16447174beb6SJohannes Berg if (fwrt->ops && fwrt->ops->dump_end) 16457174beb6SJohannes Berg fwrt->ops->dump_end(fwrt->ops_ctx); 16467174beb6SJohannes Berg } 16477174beb6SJohannes Berg 16482d8c2615SShahar S Matityahu void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) 16492d8c2615SShahar S Matityahu { 16502d8c2615SShahar S Matityahu const struct iwl_cfg *cfg = fwrt->trans->cfg; 16512d8c2615SShahar S Matityahu 16522d8c2615SShahar S Matityahu if (!iwl_fw_dbg_is_d3_debug_enabled(fwrt)) 16532d8c2615SShahar S Matityahu return; 16542d8c2615SShahar S Matityahu 16552d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 16562d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = kmalloc(cfg->d3_debug_data_length, 16572d8c2615SShahar S Matityahu GFP_KERNEL); 16582d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 16592d8c2615SShahar S Matityahu IWL_ERR(fwrt, 16602d8c2615SShahar S Matityahu "failed to allocate memory for D3 debug data\n"); 16612d8c2615SShahar S Matityahu return; 16622d8c2615SShahar S Matityahu } 16632d8c2615SShahar S Matityahu } 16642d8c2615SShahar S Matityahu 16652d8c2615SShahar S Matityahu /* if the buffer holds previous debug data it is overwritten */ 16662d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, cfg->d3_debug_data_base_addr, 16672d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data, 16682d8c2615SShahar S Matityahu cfg->d3_debug_data_length); 16692d8c2615SShahar S Matityahu } 16702d8c2615SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data); 1671d47902f9SSara Sharon 1672d47902f9SSara Sharon static void 1673d47902f9SSara Sharon iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, 1674d47902f9SSara Sharon struct iwl_fw_ini_allocation_tlv *alloc) 1675d47902f9SSara Sharon { 1676d47902f9SSara Sharon struct iwl_trans *trans = fwrt->trans; 1677e6aeeb4fSJohannes Berg struct iwl_ldbg_config_cmd ldbg_cmd = { 1678e6aeeb4fSJohannes Berg .type = cpu_to_le32(BUFFER_ALLOCATION), 1679e6aeeb4fSJohannes Berg }; 1680e6aeeb4fSJohannes Berg struct iwl_buffer_allocation_cmd *cmd = &ldbg_cmd.buffer_allocation; 1681d47902f9SSara Sharon struct iwl_host_cmd hcmd = { 1682d47902f9SSara Sharon .id = LDBG_CONFIG_CMD, 1683d47902f9SSara Sharon .flags = CMD_ASYNC, 1684e6aeeb4fSJohannes Berg .data[0] = &ldbg_cmd, 1685e6aeeb4fSJohannes Berg .len[0] = sizeof(ldbg_cmd), 1686d47902f9SSara Sharon }; 1687d47902f9SSara Sharon void *virtual_addr = NULL; 1688d47902f9SSara Sharon u32 size = le32_to_cpu(alloc->size); 1689d47902f9SSara Sharon dma_addr_t phys_addr; 1690d47902f9SSara Sharon 1691d47902f9SSara Sharon if (!trans->num_blocks && 1692d47902f9SSara Sharon le32_to_cpu(alloc->buffer_location) != 1693d47902f9SSara Sharon IWL_FW_INI_LOCATION_DRAM_PATH) 1694d47902f9SSara Sharon return; 1695d47902f9SSara Sharon 169607a44b32SShahar S Matityahu virtual_addr = 169707a44b32SShahar S Matityahu dma_alloc_coherent(fwrt->trans->dev, size, &phys_addr, 169807a44b32SShahar S Matityahu GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO | 169907a44b32SShahar S Matityahu __GFP_COMP); 1700d47902f9SSara Sharon 1701d47902f9SSara Sharon /* TODO: alloc fragments if needed */ 1702d47902f9SSara Sharon if (!virtual_addr) 1703d47902f9SSara Sharon IWL_ERR(fwrt, "Failed to allocate debug memory\n"); 1704d47902f9SSara Sharon 1705d47902f9SSara Sharon if (WARN_ON_ONCE(trans->num_blocks == ARRAY_SIZE(trans->fw_mon))) 1706d47902f9SSara Sharon return; 1707d47902f9SSara Sharon 1708d47902f9SSara Sharon trans->fw_mon[trans->num_blocks].block = virtual_addr; 1709d47902f9SSara Sharon trans->fw_mon[trans->num_blocks].physical = phys_addr; 1710d47902f9SSara Sharon trans->fw_mon[trans->num_blocks].size = size; 1711d47902f9SSara Sharon trans->num_blocks++; 1712d47902f9SSara Sharon 1713d47902f9SSara Sharon IWL_DEBUG_FW(trans, "Allocated debug block of size %d\n", size); 1714d47902f9SSara Sharon 1715d47902f9SSara Sharon /* First block is assigned via registers / context info */ 1716d47902f9SSara Sharon if (trans->num_blocks == 1) 1717d47902f9SSara Sharon return; 1718d47902f9SSara Sharon 1719d47902f9SSara Sharon cmd->num_frags = cpu_to_le32(1); 1720d47902f9SSara Sharon cmd->fragments[0].address = cpu_to_le64(phys_addr); 1721d47902f9SSara Sharon cmd->fragments[0].size = alloc->size; 1722d47902f9SSara Sharon cmd->allocation_id = alloc->allocation_id; 1723d47902f9SSara Sharon cmd->buffer_location = alloc->buffer_location; 1724d47902f9SSara Sharon 1725d47902f9SSara Sharon iwl_trans_send_cmd(trans, &hcmd); 1726d47902f9SSara Sharon } 1727d47902f9SSara Sharon 1728d47902f9SSara Sharon static void iwl_fw_dbg_send_hcmd(struct iwl_fw_runtime *fwrt, 1729d47902f9SSara Sharon struct iwl_ucode_tlv *tlv) 1730d47902f9SSara Sharon { 1731d47902f9SSara Sharon struct iwl_fw_ini_hcmd_tlv *hcmd_tlv = (void *)&tlv->data[0]; 1732d47902f9SSara Sharon struct iwl_fw_ini_hcmd *data = &hcmd_tlv->hcmd; 1733d47902f9SSara Sharon u16 len = le32_to_cpu(tlv->length) - sizeof(*hcmd_tlv); 1734d47902f9SSara Sharon 1735d47902f9SSara Sharon struct iwl_host_cmd hcmd = { 1736d47902f9SSara Sharon .id = WIDE_ID(data->group, data->id), 1737d47902f9SSara Sharon .len = { len, }, 1738d47902f9SSara Sharon .data = { data->data, }, 1739d47902f9SSara Sharon }; 1740d47902f9SSara Sharon 1741d47902f9SSara Sharon iwl_trans_send_cmd(fwrt->trans, &hcmd); 1742d47902f9SSara Sharon } 1743d47902f9SSara Sharon 1744d47902f9SSara Sharon static void iwl_fw_dbg_update_regions(struct iwl_fw_runtime *fwrt, 1745d47902f9SSara Sharon struct iwl_fw_ini_region_tlv *tlv, 1746d47902f9SSara Sharon bool ext, enum iwl_fw_ini_apply_point pnt) 1747d47902f9SSara Sharon { 1748d47902f9SSara Sharon void *iter = (void *)tlv->region_config; 1749d47902f9SSara Sharon int i, size = le32_to_cpu(tlv->num_regions); 1750d47902f9SSara Sharon 1751d47902f9SSara Sharon for (i = 0; i < size; i++) { 1752d47902f9SSara Sharon struct iwl_fw_ini_region_cfg *reg = iter; 1753d47902f9SSara Sharon int id = le32_to_cpu(reg->region_id); 1754d47902f9SSara Sharon struct iwl_fw_ini_active_regs *active; 1755d47902f9SSara Sharon 17562c47e5a1SSara Sharon if (WARN(id >= ARRAY_SIZE(fwrt->dump.active_regs), 17572c47e5a1SSara Sharon "Invalid region id %d for apply point %d\n", id, pnt)) 1758d47902f9SSara Sharon break; 1759d47902f9SSara Sharon 1760d47902f9SSara Sharon active = &fwrt->dump.active_regs[id]; 1761d47902f9SSara Sharon 1762d47902f9SSara Sharon if (ext && active->apply_point == pnt) 1763d47902f9SSara Sharon IWL_WARN(fwrt->trans, 1764d47902f9SSara Sharon "External region TLV overrides FW default %x\n", 1765d47902f9SSara Sharon id); 1766d47902f9SSara Sharon 1767d47902f9SSara Sharon IWL_DEBUG_FW(fwrt, 1768d47902f9SSara Sharon "%s: apply point %d, activating region ID %d\n", 1769d47902f9SSara Sharon __func__, pnt, id); 1770d47902f9SSara Sharon 1771d47902f9SSara Sharon active->reg = reg; 1772d47902f9SSara Sharon active->apply_point = pnt; 1773d47902f9SSara Sharon 1774d47902f9SSara Sharon if (le32_to_cpu(reg->region_type) != 1775d47902f9SSara Sharon IWL_FW_INI_REGION_DRAM_BUFFER) 1776d47902f9SSara Sharon iter += le32_to_cpu(reg->num_regions) * sizeof(__le32); 1777d47902f9SSara Sharon 1778d47902f9SSara Sharon iter += sizeof(*reg); 1779d47902f9SSara Sharon } 1780d47902f9SSara Sharon } 1781d47902f9SSara Sharon 1782d47902f9SSara Sharon static void iwl_fw_dbg_update_triggers(struct iwl_fw_runtime *fwrt, 1783d47902f9SSara Sharon struct iwl_fw_ini_trigger_tlv *tlv, 1784d47902f9SSara Sharon bool ext, 1785d47902f9SSara Sharon enum iwl_fw_ini_apply_point apply_point) 1786d47902f9SSara Sharon { 1787d47902f9SSara Sharon int i, size = le32_to_cpu(tlv->num_triggers); 1788d47902f9SSara Sharon void *iter = (void *)tlv->trigger_config; 1789d47902f9SSara Sharon 1790d47902f9SSara Sharon for (i = 0; i < size; i++) { 1791d47902f9SSara Sharon struct iwl_fw_ini_trigger *trig = iter; 1792d47902f9SSara Sharon struct iwl_fw_ini_active_triggers *active; 1793d47902f9SSara Sharon int id = le32_to_cpu(trig->trigger_id); 1794d47902f9SSara Sharon u32 num; 1795d47902f9SSara Sharon 1796d47902f9SSara Sharon if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) 1797d47902f9SSara Sharon break; 1798d47902f9SSara Sharon 1799d47902f9SSara Sharon active = &fwrt->dump.active_trigs[id]; 1800d47902f9SSara Sharon 1801d47902f9SSara Sharon if (active->apply_point != apply_point) { 1802d47902f9SSara Sharon active->conf = NULL; 1803d47902f9SSara Sharon active->conf_ext = NULL; 1804d47902f9SSara Sharon } 1805d47902f9SSara Sharon 1806d47902f9SSara Sharon num = le32_to_cpu(trig->num_regions); 1807d47902f9SSara Sharon 1808d47902f9SSara Sharon if (ext && active->apply_point == apply_point) { 1809d47902f9SSara Sharon num += le32_to_cpu(active->conf->num_regions); 1810d47902f9SSara Sharon if (trig->ignore_default) { 1811d47902f9SSara Sharon active->conf_ext = active->conf; 1812d47902f9SSara Sharon active->conf = trig; 1813d47902f9SSara Sharon } else { 1814d47902f9SSara Sharon active->conf_ext = trig; 1815d47902f9SSara Sharon } 1816d47902f9SSara Sharon } else { 1817d47902f9SSara Sharon active->conf = trig; 1818d47902f9SSara Sharon } 1819d47902f9SSara Sharon 1820fe1b7d6cSSara Sharon /* Since zero means infinity - just set to -1 */ 1821fe1b7d6cSSara Sharon if (!le32_to_cpu(trig->occurrences)) 1822fe1b7d6cSSara Sharon trig->occurrences = cpu_to_le32(-1); 1823fe1b7d6cSSara Sharon if (!le32_to_cpu(trig->ignore_consec)) 1824fe1b7d6cSSara Sharon trig->ignore_consec = cpu_to_le32(-1); 1825fe1b7d6cSSara Sharon 1826d47902f9SSara Sharon iter += sizeof(*trig) + 1827d47902f9SSara Sharon le32_to_cpu(trig->num_regions) * sizeof(__le32); 1828d47902f9SSara Sharon 1829d47902f9SSara Sharon active->active = num; 1830d47902f9SSara Sharon active->apply_point = apply_point; 1831d47902f9SSara Sharon } 1832d47902f9SSara Sharon } 1833d47902f9SSara Sharon 1834d47902f9SSara Sharon static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, 1835d47902f9SSara Sharon struct iwl_apply_point_data *data, 1836d47902f9SSara Sharon enum iwl_fw_ini_apply_point pnt, 1837d47902f9SSara Sharon bool ext) 1838d47902f9SSara Sharon { 1839d47902f9SSara Sharon void *iter = data->data; 1840d47902f9SSara Sharon 1841d47902f9SSara Sharon while (iter && iter < data->data + data->size) { 1842d47902f9SSara Sharon struct iwl_ucode_tlv *tlv = iter; 1843d47902f9SSara Sharon void *ini_tlv = (void *)tlv->data; 1844d47902f9SSara Sharon u32 type = le32_to_cpu(tlv->type); 1845d47902f9SSara Sharon 1846d47902f9SSara Sharon switch (type) { 1847d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1848d47902f9SSara Sharon iwl_fw_dbg_buffer_allocation(fwrt, ini_tlv); 1849d47902f9SSara Sharon break; 1850d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_HCMD: 1851d47902f9SSara Sharon if (pnt < IWL_FW_INI_APPLY_AFTER_ALIVE) { 1852d47902f9SSara Sharon IWL_ERR(fwrt, 1853d47902f9SSara Sharon "Invalid apply point %x for host command\n", 1854d47902f9SSara Sharon pnt); 1855d47902f9SSara Sharon goto next; 1856d47902f9SSara Sharon } 1857d47902f9SSara Sharon iwl_fw_dbg_send_hcmd(fwrt, tlv); 1858d47902f9SSara Sharon break; 1859d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_REGIONS: 1860d47902f9SSara Sharon iwl_fw_dbg_update_regions(fwrt, ini_tlv, ext, pnt); 1861d47902f9SSara Sharon break; 1862d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_TRIGGERS: 1863d47902f9SSara Sharon iwl_fw_dbg_update_triggers(fwrt, ini_tlv, ext, pnt); 1864d47902f9SSara Sharon break; 1865d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: 1866d47902f9SSara Sharon break; 1867d47902f9SSara Sharon default: 1868d47902f9SSara Sharon WARN_ONCE(1, "Invalid TLV %x for apply point\n", type); 1869d47902f9SSara Sharon break; 1870d47902f9SSara Sharon } 1871d47902f9SSara Sharon next: 1872d47902f9SSara Sharon iter += sizeof(*tlv) + le32_to_cpu(tlv->length); 1873d47902f9SSara Sharon } 1874d47902f9SSara Sharon } 1875d47902f9SSara Sharon 1876d47902f9SSara Sharon void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, 1877d47902f9SSara Sharon enum iwl_fw_ini_apply_point apply_point) 1878d47902f9SSara Sharon { 1879d47902f9SSara Sharon void *data = &fwrt->trans->apply_points[apply_point]; 1880d47902f9SSara Sharon 1881d47902f9SSara Sharon _iwl_fw_dbg_apply_point(fwrt, data, apply_point, false); 1882d47902f9SSara Sharon 1883d47902f9SSara Sharon data = &fwrt->trans->apply_points_ext[apply_point]; 1884d47902f9SSara Sharon _iwl_fw_dbg_apply_point(fwrt, data, apply_point, true); 1885d47902f9SSara Sharon } 1886d47902f9SSara Sharon IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point); 1887