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 71068025d5fSSara Sharon #define ADD_LEN(len, item_len, const_len) \ 71168025d5fSSara Sharon do {size_t item = item_len; len += (!!item) * const_len + item; } \ 71268025d5fSSara Sharon while (0) 71368025d5fSSara Sharon 71432b258e9SSara Sharon static int iwl_fw_rxf_len(struct iwl_fw_runtime *fwrt, 71568025d5fSSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 71668025d5fSSara Sharon { 71768025d5fSSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 71868025d5fSSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 71968025d5fSSara Sharon u32 fifo_len = 0; 72068025d5fSSara Sharon int i; 72168025d5fSSara Sharon 722e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RXF)) 72332b258e9SSara Sharon return 0; 72468025d5fSSara Sharon 72568025d5fSSara Sharon /* Count RXF2 size */ 72668025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->rxfifo2_size, hdr_len); 72768025d5fSSara Sharon 72868025d5fSSara Sharon /* Count RXF1 sizes */ 729acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 730acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 731acf42a95SMordechay Goodstein 73268025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) 73368025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].rxfifo1_size, hdr_len); 73468025d5fSSara Sharon 73532b258e9SSara Sharon return fifo_len; 73632b258e9SSara Sharon } 73732b258e9SSara Sharon 73832b258e9SSara Sharon static int iwl_fw_txf_len(struct iwl_fw_runtime *fwrt, 73932b258e9SSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 74032b258e9SSara Sharon { 74132b258e9SSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 74232b258e9SSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 74332b258e9SSara Sharon u32 fifo_len = 0; 74432b258e9SSara Sharon int i; 74532b258e9SSara Sharon 746e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) 74768025d5fSSara Sharon goto dump_internal_txf; 74868025d5fSSara Sharon 74968025d5fSSara Sharon /* Count TXF sizes */ 750acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 751acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 752acf42a95SMordechay Goodstein 75368025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) { 75468025d5fSSara Sharon int j; 75568025d5fSSara Sharon 75668025d5fSSara Sharon for (j = 0; j < mem_cfg->num_txfifo_entries; j++) 75768025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].txfifo_size[j], 75868025d5fSSara Sharon hdr_len); 75968025d5fSSara Sharon } 76068025d5fSSara Sharon 76168025d5fSSara Sharon dump_internal_txf: 762e488e593SSara Sharon if (!(iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_INTERNAL_TXF) && 76368025d5fSSara Sharon fw_has_capa(&fwrt->fw->ucode_capa, 76468025d5fSSara Sharon IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))) 76568025d5fSSara Sharon goto out; 76668025d5fSSara Sharon 76768025d5fSSara Sharon for (i = 0; i < ARRAY_SIZE(mem_cfg->internal_txfifo_size); i++) 76868025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->internal_txfifo_size[i], hdr_len); 76968025d5fSSara Sharon 77068025d5fSSara Sharon out: 77168025d5fSSara Sharon return fifo_len; 77268025d5fSSara Sharon } 77368025d5fSSara Sharon 77456b657f7SSara Sharon static void iwl_dump_paging(struct iwl_fw_runtime *fwrt, 77556b657f7SSara Sharon struct iwl_fw_error_dump_data **data) 77656b657f7SSara Sharon { 77756b657f7SSara Sharon int i; 77856b657f7SSara Sharon 77956b657f7SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT paging dump\n"); 78056b657f7SSara Sharon for (i = 1; i < fwrt->num_of_paging_blk + 1; i++) { 78156b657f7SSara Sharon struct iwl_fw_error_dump_paging *paging; 78256b657f7SSara Sharon struct page *pages = 78356b657f7SSara Sharon fwrt->fw_paging_db[i].fw_paging_block; 78456b657f7SSara Sharon dma_addr_t addr = fwrt->fw_paging_db[i].fw_paging_phys; 78556b657f7SSara Sharon 78656b657f7SSara Sharon (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING); 78756b657f7SSara Sharon (*data)->len = cpu_to_le32(sizeof(*paging) + 78856b657f7SSara Sharon PAGING_BLOCK_SIZE); 78956b657f7SSara Sharon paging = (void *)(*data)->data; 79056b657f7SSara Sharon paging->index = cpu_to_le32(i); 79156b657f7SSara Sharon dma_sync_single_for_cpu(fwrt->trans->dev, addr, 79256b657f7SSara Sharon PAGING_BLOCK_SIZE, 79356b657f7SSara Sharon DMA_BIDIRECTIONAL); 79456b657f7SSara Sharon memcpy(paging->data, page_address(pages), 79556b657f7SSara Sharon PAGING_BLOCK_SIZE); 7967e316572SShahar S Matityahu dma_sync_single_for_device(fwrt->trans->dev, addr, 7977e316572SShahar S Matityahu PAGING_BLOCK_SIZE, 7987e316572SShahar S Matityahu DMA_BIDIRECTIONAL); 79956b657f7SSara Sharon (*data) = iwl_fw_error_next_data(*data); 80056b657f7SSara Sharon } 80156b657f7SSara Sharon } 80256b657f7SSara Sharon 803a6820511SSara Sharon static struct iwl_fw_error_dump_file * 804a6820511SSara Sharon _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, 805a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump) 8067174beb6SJohannes Berg { 8077174beb6SJohannes Berg struct iwl_fw_error_dump_file *dump_file; 8087174beb6SJohannes Berg struct iwl_fw_error_dump_data *dump_data; 8097174beb6SJohannes Berg struct iwl_fw_error_dump_info *dump_info; 810ce27f005SGolan Ben-Ami struct iwl_fw_error_dump_smem_cfg *dump_smem_cfg; 8117174beb6SJohannes Berg struct iwl_fw_error_dump_trigger_desc *dump_trig; 8127174beb6SJohannes Berg u32 sram_len, sram_ofs; 81368025d5fSSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_mem = fwrt->fw->dbg.mem_tlv; 814ce27f005SGolan Ben-Ami struct iwl_fwrt_shared_mem_cfg *mem_cfg = &fwrt->smem_cfg; 81568025d5fSSara Sharon u32 file_len, fifo_len = 0, prph_len = 0, radio_len = 0; 81617b809c9SSara Sharon u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->smem_len; 81717b809c9SSara Sharon u32 sram2_len = fwrt->fw->dbg.n_mem_tlv ? 8187174beb6SJohannes Berg 0 : fwrt->trans->cfg->dccm2_len; 8197174beb6SJohannes Berg int i; 8207174beb6SJohannes Berg 8217174beb6SJohannes Berg /* SRAM - include stack CCM if driver knows the values for it */ 8227174beb6SJohannes Berg if (!fwrt->trans->cfg->dccm_offset || !fwrt->trans->cfg->dccm_len) { 8237174beb6SJohannes Berg const struct fw_img *img; 8247174beb6SJohannes Berg 825162b22c9SLiad Kaufman if (fwrt->cur_fw_img >= IWL_UCODE_TYPE_MAX) 826162b22c9SLiad Kaufman return NULL; 8277174beb6SJohannes Berg img = &fwrt->fw->img[fwrt->cur_fw_img]; 8287174beb6SJohannes Berg sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 8297174beb6SJohannes Berg sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 8307174beb6SJohannes Berg } else { 8317174beb6SJohannes Berg sram_ofs = fwrt->trans->cfg->dccm_offset; 8327174beb6SJohannes Berg sram_len = fwrt->trans->cfg->dccm_len; 8337174beb6SJohannes Berg } 8347174beb6SJohannes Berg 8357174beb6SJohannes Berg /* reading RXF/TXF sizes */ 8367174beb6SJohannes Berg if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) { 83732b258e9SSara Sharon fifo_len = iwl_fw_rxf_len(fwrt, mem_cfg); 83832b258e9SSara Sharon fifo_len += iwl_fw_txf_len(fwrt, mem_cfg); 8397174beb6SJohannes Berg 8407174beb6SJohannes Berg /* Make room for PRPH registers */ 8417e08baebSShahar S Matityahu if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PRPH)) 8427e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &prph_len, 8437e08baebSShahar S Matityahu iwl_fw_get_prph_len); 8447174beb6SJohannes Berg 845520f03eaSShahar S Matityahu if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000 && 846e488e593SSara Sharon iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RADIO_REG)) 8477174beb6SJohannes Berg radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ; 8487174beb6SJohannes Berg } 8497174beb6SJohannes Berg 85068025d5fSSara Sharon file_len = sizeof(*dump_file) + fifo_len + prph_len + radio_len; 8517174beb6SJohannes Berg 852e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) 853520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_info); 854e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) 855520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_smem_cfg); 856520f03eaSShahar S Matityahu 857e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 85868025d5fSSara Sharon size_t hdr_len = sizeof(*dump_data) + 859da752717SShahar S Matityahu sizeof(struct iwl_fw_error_dump_mem); 8607174beb6SJohannes Berg 86168025d5fSSara Sharon /* Dump SRAM only if no mem_tlvs */ 86268025d5fSSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 86368025d5fSSara Sharon ADD_LEN(file_len, sram_len, hdr_len); 8647174beb6SJohannes Berg 86568025d5fSSara Sharon /* Make room for all mem types that exist */ 86668025d5fSSara Sharon ADD_LEN(file_len, smem_len, hdr_len); 86768025d5fSSara Sharon ADD_LEN(file_len, sram2_len, hdr_len); 86868025d5fSSara Sharon 86968025d5fSSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) 87068025d5fSSara Sharon ADD_LEN(file_len, le32_to_cpu(fw_mem[i].len), hdr_len); 871520f03eaSShahar S Matityahu } 8727174beb6SJohannes Berg 8737174beb6SJohannes Berg /* Make room for fw's virtual image pages, if it exists */ 87456b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 8757174beb6SJohannes Berg file_len += fwrt->num_of_paging_blk * 8767174beb6SJohannes Berg (sizeof(*dump_data) + 8777174beb6SJohannes Berg sizeof(struct iwl_fw_error_dump_paging) + 8787174beb6SJohannes Berg PAGING_BLOCK_SIZE); 8797174beb6SJohannes Berg 8802d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 8812d8c2615SShahar S Matityahu file_len += sizeof(*dump_data) + 8822d8c2615SShahar S Matityahu fwrt->trans->cfg->d3_debug_data_length * 2; 8832d8c2615SShahar S Matityahu } 8842d8c2615SShahar S Matityahu 8857174beb6SJohannes Berg /* If we only want a monitor dump, reset the file length */ 886124e0ebaSSara Sharon if (fwrt->dump.monitor_only) { 887ce27f005SGolan Ben-Ami file_len = sizeof(*dump_file) + sizeof(*dump_data) * 2 + 888ce27f005SGolan Ben-Ami sizeof(*dump_info) + sizeof(*dump_smem_cfg); 8897174beb6SJohannes Berg } 8907174beb6SJohannes Berg 891e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 892520f03eaSShahar S Matityahu fwrt->dump.desc) 8937174beb6SJohannes Berg file_len += sizeof(*dump_data) + sizeof(*dump_trig) + 8947174beb6SJohannes Berg fwrt->dump.desc->len; 8957174beb6SJohannes Berg 8967174beb6SJohannes Berg dump_file = vzalloc(file_len); 897a6820511SSara Sharon if (!dump_file) 898a6820511SSara Sharon return NULL; 8997174beb6SJohannes Berg 9007174beb6SJohannes Berg fw_error_dump->fwrt_ptr = dump_file; 9017174beb6SJohannes Berg 9027174beb6SJohannes Berg dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 9037174beb6SJohannes Berg dump_data = (void *)dump_file->data; 9047174beb6SJohannes Berg 905e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) { 9067174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); 9077174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_info)); 9087174beb6SJohannes Berg dump_info = (void *)dump_data->data; 9097174beb6SJohannes Berg dump_info->device_family = 910520f03eaSShahar S Matityahu fwrt->trans->cfg->device_family == 911520f03eaSShahar S Matityahu IWL_DEVICE_FAMILY_7000 ? 9127174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : 9137174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); 914520f03eaSShahar S Matityahu dump_info->hw_step = 915520f03eaSShahar S Matityahu cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev)); 9167174beb6SJohannes Berg memcpy(dump_info->fw_human_readable, fwrt->fw->human_readable, 9177174beb6SJohannes Berg sizeof(dump_info->fw_human_readable)); 9187174beb6SJohannes Berg strncpy(dump_info->dev_human_readable, fwrt->trans->cfg->name, 919520f03eaSShahar S Matityahu sizeof(dump_info->dev_human_readable) - 1); 9207174beb6SJohannes Berg strncpy(dump_info->bus_human_readable, fwrt->dev->bus->name, 921520f03eaSShahar S Matityahu sizeof(dump_info->bus_human_readable) - 1); 922d3561e0eSShahar S Matityahu dump_info->num_of_lmacs = fwrt->smem_cfg.num_lmacs; 923d3561e0eSShahar S Matityahu dump_info->lmac_err_id[0] = 924d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[0]); 925d3561e0eSShahar S Matityahu if (fwrt->smem_cfg.num_lmacs > 1) 926d3561e0eSShahar S Matityahu dump_info->lmac_err_id[1] = 927d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[1]); 928d3561e0eSShahar S Matityahu dump_info->umac_err_id = cpu_to_le32(fwrt->dump.umac_err_id); 9297174beb6SJohannes Berg 9307174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 931520f03eaSShahar S Matityahu } 932ce27f005SGolan Ben-Ami 933e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) { 934ce27f005SGolan Ben-Ami /* Dump shared memory configuration */ 935ce27f005SGolan Ben-Ami dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_CFG); 936ce27f005SGolan Ben-Ami dump_data->len = cpu_to_le32(sizeof(*dump_smem_cfg)); 937ce27f005SGolan Ben-Ami dump_smem_cfg = (void *)dump_data->data; 938ce27f005SGolan Ben-Ami dump_smem_cfg->num_lmacs = cpu_to_le32(mem_cfg->num_lmacs); 939ce27f005SGolan Ben-Ami dump_smem_cfg->num_txfifo_entries = 940ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->num_txfifo_entries); 941ce27f005SGolan Ben-Ami for (i = 0; i < MAX_NUM_LMAC; i++) { 942ce27f005SGolan Ben-Ami int j; 943520f03eaSShahar S Matityahu u32 *txf_size = mem_cfg->lmac[i].txfifo_size; 944ce27f005SGolan Ben-Ami 945ce27f005SGolan Ben-Ami for (j = 0; j < TX_FIFO_MAX_NUM; j++) 946ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].txfifo_size[j] = 947520f03eaSShahar S Matityahu cpu_to_le32(txf_size[j]); 948ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].rxfifo1_size = 949ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->lmac[i].rxfifo1_size); 950ce27f005SGolan Ben-Ami } 951520f03eaSShahar S Matityahu dump_smem_cfg->rxfifo2_size = 952520f03eaSShahar S Matityahu cpu_to_le32(mem_cfg->rxfifo2_size); 953ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_addr = 954ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_addr); 955ce27f005SGolan Ben-Ami for (i = 0; i < TX_FIFO_INTERNAL_MAX_NUM; i++) { 956ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_size[i] = 957ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_size[i]); 958ce27f005SGolan Ben-Ami } 959ce27f005SGolan Ben-Ami 960ce27f005SGolan Ben-Ami dump_data = iwl_fw_error_next_data(dump_data); 961520f03eaSShahar S Matityahu } 962ce27f005SGolan Ben-Ami 9637174beb6SJohannes Berg /* We only dump the FIFOs if the FW is in error state */ 96468025d5fSSara Sharon if (fifo_len) { 96532b258e9SSara Sharon iwl_fw_dump_rxf(fwrt, &dump_data); 96632b258e9SSara Sharon iwl_fw_dump_txf(fwrt, &dump_data); 9677174beb6SJohannes Berg if (radio_len) 9687174beb6SJohannes Berg iwl_read_radio_regs(fwrt, &dump_data); 9697174beb6SJohannes Berg } 9707174beb6SJohannes Berg 971e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 972520f03eaSShahar S Matityahu fwrt->dump.desc) { 9737174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); 9747174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_trig) + 9757174beb6SJohannes Berg fwrt->dump.desc->len); 9767174beb6SJohannes Berg dump_trig = (void *)dump_data->data; 9777174beb6SJohannes Berg memcpy(dump_trig, &fwrt->dump.desc->trig_desc, 9787174beb6SJohannes Berg sizeof(*dump_trig) + fwrt->dump.desc->len); 9797174beb6SJohannes Berg 9807174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 9817174beb6SJohannes Berg } 9827174beb6SJohannes Berg 9837174beb6SJohannes Berg /* In case we only want monitor dump, skip to dump trasport data */ 984124e0ebaSSara Sharon if (fwrt->dump.monitor_only) 985a6820511SSara Sharon goto out; 9867174beb6SJohannes Berg 987e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 9887339cc29SSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = 9897339cc29SSara Sharon fwrt->fw->dbg.mem_tlv; 990da752717SShahar S Matityahu 9917339cc29SSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 9927339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram_len, sram_ofs, 9937339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 9947339cc29SSara Sharon 9957339cc29SSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) { 9967339cc29SSara Sharon u32 len = le32_to_cpu(fw_dbg_mem[i].len); 9977339cc29SSara Sharon u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs); 9987339cc29SSara Sharon 9997339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, len, ofs, 10007339cc29SSara Sharon le32_to_cpu(fw_dbg_mem[i].data_type)); 10017339cc29SSara Sharon } 10027339cc29SSara Sharon 10037339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, smem_len, 10047339cc29SSara Sharon fwrt->trans->cfg->smem_offset, 10057339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SMEM); 10067339cc29SSara Sharon 10077339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram2_len, 10087339cc29SSara Sharon fwrt->trans->cfg->dccm2_offset, 10097339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 10107339cc29SSara Sharon } 10117174beb6SJohannes Berg 10122d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 10132d8c2615SShahar S Matityahu u32 addr = fwrt->trans->cfg->d3_debug_data_base_addr; 10142d8c2615SShahar S Matityahu size_t data_size = fwrt->trans->cfg->d3_debug_data_length; 10152d8c2615SShahar S Matityahu 10162d8c2615SShahar S Matityahu dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); 10172d8c2615SShahar S Matityahu dump_data->len = cpu_to_le32(data_size * 2); 10182d8c2615SShahar S Matityahu 1019da752717SShahar S Matityahu memcpy(dump_data->data, fwrt->dump.d3_debug_data, data_size); 10202d8c2615SShahar S Matityahu 10212d8c2615SShahar S Matityahu kfree(fwrt->dump.d3_debug_data); 10222d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = NULL; 10232d8c2615SShahar S Matityahu 10242d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr, 10252d8c2615SShahar S Matityahu dump_data->data + data_size, 10262d8c2615SShahar S Matityahu data_size); 10272d8c2615SShahar S Matityahu 10282d8c2615SShahar S Matityahu dump_data = iwl_fw_error_next_data(dump_data); 10292d8c2615SShahar S Matityahu } 10302d8c2615SShahar S Matityahu 10317174beb6SJohannes Berg /* Dump fw's virtual image */ 103256b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 103356b657f7SSara Sharon iwl_dump_paging(fwrt, &dump_data); 10347174beb6SJohannes Berg 10357e08baebSShahar S Matityahu if (prph_len) 10367e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &dump_data, iwl_dump_prph); 10377174beb6SJohannes Berg 1038a6820511SSara Sharon out: 1039a6820511SSara Sharon dump_file->file_len = cpu_to_le32(file_len); 1040a6820511SSara Sharon return dump_file; 1041a6820511SSara Sharon } 1042a6820511SSara Sharon 10438d534e96SShahar S Matityahu static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, 10448d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 10458d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10468d534e96SShahar S Matityahu int idx) 10478d534e96SShahar S Matityahu { 10488d534e96SShahar S Matityahu __le32 *val = range->data; 10498d534e96SShahar S Matityahu u32 addr, prph_val, offset = le32_to_cpu(reg->offset); 10508d534e96SShahar S Matityahu int i; 10518d534e96SShahar S Matityahu 10528d534e96SShahar S Matityahu range->start_addr = reg->start_addr[idx]; 10538d534e96SShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 10548d534e96SShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { 10558d534e96SShahar S Matityahu addr = le32_to_cpu(range->start_addr) + i; 10568d534e96SShahar S Matityahu prph_val = iwl_read_prph(fwrt->trans, addr + offset); 10578d534e96SShahar S Matityahu if (prph_val == 0x5a5a5a5a) 10588d534e96SShahar S Matityahu return -1; 10598d534e96SShahar S Matityahu *val++ = cpu_to_le32(prph_val); 10608d534e96SShahar S Matityahu } 10618d534e96SShahar S Matityahu return le32_to_cpu(range->range_data_size); 10628d534e96SShahar S Matityahu } 10638d534e96SShahar S Matityahu 1064f4f907aaSShahar S Matityahu static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, 1065f4f907aaSShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 1066f4f907aaSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 1067f4f907aaSShahar S Matityahu int idx) 1068f4f907aaSShahar S Matityahu { 1069f4f907aaSShahar S Matityahu __le32 *val = range->data; 1070f4f907aaSShahar S Matityahu u32 addr, offset = le32_to_cpu(reg->offset); 1071f4f907aaSShahar S Matityahu int i; 1072f4f907aaSShahar S Matityahu 1073f4f907aaSShahar S Matityahu range->start_addr = reg->start_addr[idx]; 1074f4f907aaSShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 1075f4f907aaSShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { 1076f4f907aaSShahar S Matityahu addr = le32_to_cpu(range->start_addr) + i; 1077f4f907aaSShahar S Matityahu *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, 1078f4f907aaSShahar S Matityahu addr + offset)); 1079f4f907aaSShahar S Matityahu } 1080f4f907aaSShahar S Matityahu return le32_to_cpu(range->range_data_size); 1081f4f907aaSShahar S Matityahu } 1082f4f907aaSShahar S Matityahu 10836e9f8f99SShahar S Matityahu static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, 10846e9f8f99SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 10856e9f8f99SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10866e9f8f99SShahar S Matityahu int idx) 10876e9f8f99SShahar S Matityahu { 10886e9f8f99SShahar S Matityahu u32 addr = le32_to_cpu(range->start_addr); 10896e9f8f99SShahar S Matityahu u32 offset = le32_to_cpu(reg->offset); 10906e9f8f99SShahar S Matityahu 10916e9f8f99SShahar S Matityahu range->start_addr = reg->start_addr[idx]; 10926e9f8f99SShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 10936e9f8f99SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr + offset, range->data, 10946e9f8f99SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size)); 10956e9f8f99SShahar S Matityahu return le32_to_cpu(range->range_data_size); 10966e9f8f99SShahar S Matityahu } 10976e9f8f99SShahar S Matityahu 10988d534e96SShahar S Matityahu static struct iwl_fw_ini_error_dump_range 10998d534e96SShahar S Matityahu *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, void *data) 11008d534e96SShahar S Matityahu { 11018d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump *dump = data; 11028d534e96SShahar S Matityahu 11038d534e96SShahar S Matityahu return dump->ranges; 11048d534e96SShahar S Matityahu } 11058d534e96SShahar S Matityahu 11068d534e96SShahar S Matityahu static u32 iwl_dump_ini_mem_get_size(struct iwl_fw_runtime *fwrt, 11078d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 11088d534e96SShahar S Matityahu { 11098d534e96SShahar S Matityahu return le32_to_cpu(reg->internal.num_of_ranges) * 11108d534e96SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size); 11118d534e96SShahar S Matityahu } 11128d534e96SShahar S Matityahu 11138d534e96SShahar S Matityahu static u32 iwl_dump_ini_mem_ranges(struct iwl_fw_runtime *fwrt, 11148d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 11158d534e96SShahar S Matityahu { 11168d534e96SShahar S Matityahu return le32_to_cpu(reg->internal.num_of_ranges); 11178d534e96SShahar S Matityahu } 11188d534e96SShahar S Matityahu 11198d534e96SShahar S Matityahu /** 11208d534e96SShahar S Matityahu * struct iwl_dump_ini_mem_ops - ini memory dump operations 11218d534e96SShahar S Matityahu * @get_num_of_ranges: returns the number of memory ranges in the region. 11228d534e96SShahar S Matityahu * @get_size: returns the size of the region data without headers. 11238d534e96SShahar S Matityahu * @fill_mem_hdr: fills region type specific headers and returns the first 11248d534e96SShahar S Matityahu * range or NULL if failed to fill headers. 11258d534e96SShahar S Matityahu * @fill_range: copies a given memory range into the dump. 11268d534e96SShahar S Matityahu * Returns the size of the range or -1 otherwise. 11278d534e96SShahar S Matityahu */ 11288d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops { 11298d534e96SShahar S Matityahu u32 (*get_num_of_ranges)(struct iwl_fw_runtime *fwrt, 11308d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg); 11318d534e96SShahar S Matityahu u32 (*get_size)(struct iwl_fw_runtime *fwrt, 11328d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg); 11338d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range * 11348d534e96SShahar S Matityahu (*fill_mem_hdr)(struct iwl_fw_runtime *fwrt, void *data); 11358d534e96SShahar S Matityahu int (*fill_range)(struct iwl_fw_runtime *fwrt, 11368d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 11378d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, int idx); 11388d534e96SShahar S Matityahu }; 11398d534e96SShahar S Matityahu 11408d534e96SShahar S Matityahu /** 11418d534e96SShahar S Matityahu * iwl_dump_ini_mem - copy a memory region into the dump 11428d534e96SShahar S Matityahu * @fwrt: fw runtime struct. 11438d534e96SShahar S Matityahu * @data: dump memory data. 11448d534e96SShahar S Matityahu * @reg: region to copy to the dump. 11458d534e96SShahar S Matityahu */ 11468d534e96SShahar S Matityahu static void 11478d534e96SShahar S Matityahu iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, 11488d534e96SShahar S Matityahu enum iwl_fw_ini_region_type type, 11498d534e96SShahar S Matityahu struct iwl_fw_error_dump_data **data, 11508d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 11518d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops *ops) 11528d534e96SShahar S Matityahu { 11538d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_header *header = (void *)(*data)->data; 11548d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range; 11558d534e96SShahar S Matityahu u32 num_of_ranges, i; 11568d534e96SShahar S Matityahu 11578d534e96SShahar S Matityahu if (WARN_ON(!ops || !ops->get_num_of_ranges || !ops->get_size || 11588d534e96SShahar S Matityahu !ops->fill_mem_hdr || !ops->fill_range)) 11598d534e96SShahar S Matityahu return; 11608d534e96SShahar S Matityahu 11618d534e96SShahar S Matityahu num_of_ranges = ops->get_num_of_ranges(fwrt, reg); 11628d534e96SShahar S Matityahu 11638d534e96SShahar S Matityahu (*data)->type = cpu_to_le32(type | INI_DUMP_BIT); 11648d534e96SShahar S Matityahu (*data)->len = cpu_to_le32(sizeof(*header) + num_of_ranges * 11658d534e96SShahar S Matityahu sizeof(*range) + ops->get_size(fwrt, reg)); 11668d534e96SShahar S Matityahu 11678d534e96SShahar S Matityahu header->num_of_ranges = cpu_to_le32(num_of_ranges); 11688d534e96SShahar S Matityahu header->name_len = cpu_to_le32(min_t(int, IWL_FW_INI_MAX_NAME, 11698d534e96SShahar S Matityahu le32_to_cpu(reg->name_len))); 11708d534e96SShahar S Matityahu memcpy(header->name, reg->name, le32_to_cpu(header->name_len)); 11718d534e96SShahar S Matityahu 11728d534e96SShahar S Matityahu range = ops->fill_mem_hdr(fwrt, header); 11738d534e96SShahar S Matityahu if (!range) 11748d534e96SShahar S Matityahu return; 11758d534e96SShahar S Matityahu 11768d534e96SShahar S Matityahu for (i = 0; i < num_of_ranges; i++) { 11778d534e96SShahar S Matityahu int range_data_size = ops->fill_range(fwrt, range, reg, i); 11788d534e96SShahar S Matityahu 11798d534e96SShahar S Matityahu if (range_data_size < 0) { 11808d534e96SShahar S Matityahu IWL_ERR(fwrt, "Failed to dump region type %d\n", type); 11818d534e96SShahar S Matityahu return; 11828d534e96SShahar S Matityahu } 11838d534e96SShahar S Matityahu range = ((void *)range) + sizeof(*range) + range_data_size; 11848d534e96SShahar S Matityahu } 11858d534e96SShahar S Matityahu *data = iwl_fw_error_next_data(*data); 11868d534e96SShahar S Matityahu } 11878d534e96SShahar S Matityahu 11887a14c23dSSara Sharon static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, 11897a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger) 11907a14c23dSSara Sharon { 11918d534e96SShahar S Matityahu int i, size = 0, hdr_len = sizeof(struct iwl_fw_error_dump_data); 11928d534e96SShahar S Matityahu u32 dump_header_len = sizeof(struct iwl_fw_ini_error_dump); 11938d534e96SShahar S Matityahu u32 range_header_len = sizeof(struct iwl_fw_ini_error_dump_range); 11947a14c23dSSara Sharon 11957a14c23dSSara Sharon if (!trigger || !trigger->num_regions) 11967a14c23dSSara Sharon return 0; 11977a14c23dSSara Sharon 11988d534e96SShahar S Matityahu for (i = 0; i < le32_to_cpu(trigger->num_regions); i++) { 11997a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 12007a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 12017a14c23dSSara Sharon enum iwl_fw_ini_region_type type; 12027a14c23dSSara Sharon 12037a14c23dSSara Sharon if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) 12047a14c23dSSara Sharon continue; 12057a14c23dSSara Sharon 12060ec7bfb2SShahar S Matityahu reg = fwrt->dump.active_regs[reg_id]; 12077a14c23dSSara Sharon if (WARN(!reg, "Unassigned region %d\n", reg_id)) 12087a14c23dSSara Sharon continue; 12097a14c23dSSara Sharon 12107a14c23dSSara Sharon type = le32_to_cpu(reg->region_type); 12117a14c23dSSara Sharon switch (type) { 12127a14c23dSSara Sharon case IWL_FW_INI_REGION_DEVICE_MEMORY: 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: 1216f4f907aaSShahar S Matityahu case IWL_FW_INI_REGION_CSR: 12178d534e96SShahar S Matityahu size += hdr_len + dump_header_len + range_header_len * 12188d534e96SShahar S Matityahu iwl_dump_ini_mem_ranges(fwrt, reg) + 12198d534e96SShahar S Matityahu iwl_dump_ini_mem_get_size(fwrt, reg); 12207a14c23dSSara Sharon break; 12217a14c23dSSara Sharon case IWL_FW_INI_REGION_TXF: 12227a14c23dSSara Sharon size += iwl_fw_txf_len(fwrt, &fwrt->smem_cfg); 12237a14c23dSSara Sharon break; 12247a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 12257a14c23dSSara Sharon size += iwl_fw_rxf_len(fwrt, &fwrt->smem_cfg); 12267a14c23dSSara Sharon break; 12277a14c23dSSara Sharon case IWL_FW_INI_REGION_PAGING: 12287a14c23dSSara Sharon if (!iwl_fw_dbg_is_paging_enabled(fwrt)) 12297a14c23dSSara Sharon break; 12307a14c23dSSara Sharon size += fwrt->num_of_paging_blk * 12317a14c23dSSara Sharon (hdr_len + 12327a14c23dSSara Sharon sizeof(struct iwl_fw_error_dump_paging) + 12337a14c23dSSara Sharon PAGING_BLOCK_SIZE); 12347a14c23dSSara Sharon break; 12357a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 12367a14c23dSSara Sharon /* Transport takes care of DRAM dumping */ 12377a14c23dSSara Sharon case IWL_FW_INI_REGION_INTERNAL_BUFFER: 12387a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 12397a14c23dSSara Sharon /* Undefined yet */ 12407a14c23dSSara Sharon default: 12417a14c23dSSara Sharon break; 12427a14c23dSSara Sharon } 12437a14c23dSSara Sharon } 12447a14c23dSSara Sharon return size; 12457a14c23dSSara Sharon } 12467a14c23dSSara Sharon 12477a14c23dSSara Sharon static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, 12487a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger, 12497a14c23dSSara Sharon struct iwl_fw_error_dump_data **data, 12507a14c23dSSara Sharon u32 *dump_mask) 12517a14c23dSSara Sharon { 12527a14c23dSSara Sharon int i, num = le32_to_cpu(trigger->num_regions); 12537a14c23dSSara Sharon 12547a14c23dSSara Sharon for (i = 0; i < num; i++) { 12557a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 12567a14c23dSSara Sharon enum iwl_fw_ini_region_type type; 12577a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 12588d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops ops; 12597a14c23dSSara Sharon 12607a14c23dSSara Sharon if (reg_id >= ARRAY_SIZE(fwrt->dump.active_regs)) 12617a14c23dSSara Sharon continue; 12627a14c23dSSara Sharon 12630ec7bfb2SShahar S Matityahu reg = fwrt->dump.active_regs[reg_id]; 12647a14c23dSSara Sharon /* Don't warn, get_trigger_len already warned */ 12657a14c23dSSara Sharon if (!reg) 12667a14c23dSSara Sharon continue; 12677a14c23dSSara Sharon 12687a14c23dSSara Sharon type = le32_to_cpu(reg->region_type); 12697a14c23dSSara Sharon switch (type) { 12706e9f8f99SShahar S Matityahu case IWL_FW_INI_REGION_DEVICE_MEMORY: 12716e9f8f99SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 12726e9f8f99SShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 12736e9f8f99SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 12746e9f8f99SShahar S Matityahu ops.fill_range = iwl_dump_ini_dev_mem_iter; 12756e9f8f99SShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 12767a14c23dSSara Sharon break; 12777a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_MAC: 12787a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_PHY: 12797a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_AUX: 12808d534e96SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 12818d534e96SShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 12828d534e96SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 12838d534e96SShahar S Matityahu ops.fill_range = iwl_dump_ini_prph_iter; 12848d534e96SShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 12857a14c23dSSara Sharon break; 12867a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 128755fbf0d2SShahar S Matityahu *dump_mask |= BIT(IWL_FW_ERROR_DUMP_FW_MONITOR); 12887a14c23dSSara Sharon break; 12897a14c23dSSara Sharon case IWL_FW_INI_REGION_PAGING: 12907a14c23dSSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 12917a14c23dSSara Sharon iwl_dump_paging(fwrt, data); 12927a14c23dSSara Sharon else 129355fbf0d2SShahar S Matityahu *dump_mask |= BIT(IWL_FW_ERROR_DUMP_PAGING); 12947a14c23dSSara Sharon break; 12957a14c23dSSara Sharon case IWL_FW_INI_REGION_TXF: 12967a14c23dSSara Sharon iwl_fw_dump_txf(fwrt, data); 12977a14c23dSSara Sharon break; 12987a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 12997a14c23dSSara Sharon iwl_fw_dump_rxf(fwrt, data); 13007a14c23dSSara Sharon break; 13017a14c23dSSara Sharon case IWL_FW_INI_REGION_CSR: 1302f4f907aaSShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 1303f4f907aaSShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 1304f4f907aaSShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 1305f4f907aaSShahar S Matityahu ops.fill_range = iwl_dump_ini_csr_iter; 1306f4f907aaSShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 13077a14c23dSSara Sharon break; 13087a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 13097a14c23dSSara Sharon case IWL_FW_INI_REGION_INTERNAL_BUFFER: 13107a14c23dSSara Sharon /* This is undefined yet */ 13117a14c23dSSara Sharon default: 13127a14c23dSSara Sharon break; 13137a14c23dSSara Sharon } 13147a14c23dSSara Sharon } 13157a14c23dSSara Sharon } 13167a14c23dSSara Sharon 13177a14c23dSSara Sharon static struct iwl_fw_error_dump_file * 13187a14c23dSSara Sharon _iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, 13197a14c23dSSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump, 13207a14c23dSSara Sharon u32 *dump_mask) 13217a14c23dSSara Sharon { 13227a14c23dSSara Sharon int size, id = le32_to_cpu(fwrt->dump.desc->trig_desc.type); 13237a14c23dSSara Sharon struct iwl_fw_error_dump_data *dump_data; 13247a14c23dSSara Sharon struct iwl_fw_error_dump_file *dump_file; 13257a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger, *ext; 13267a14c23dSSara Sharon 13277a14c23dSSara Sharon if (id == FW_DBG_TRIGGER_FW_ASSERT) 13287a14c23dSSara Sharon id = IWL_FW_TRIGGER_ID_FW_ASSERT; 13297a14c23dSSara Sharon 13307a14c23dSSara Sharon if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) 13317a14c23dSSara Sharon return NULL; 13327a14c23dSSara Sharon 13337a14c23dSSara Sharon trigger = fwrt->dump.active_trigs[id].conf; 13347a14c23dSSara Sharon ext = fwrt->dump.active_trigs[id].conf_ext; 13357a14c23dSSara Sharon 13367a14c23dSSara Sharon size = sizeof(*dump_file); 13377a14c23dSSara Sharon size += iwl_fw_ini_get_trigger_len(fwrt, trigger); 13387a14c23dSSara Sharon size += iwl_fw_ini_get_trigger_len(fwrt, ext); 13397a14c23dSSara Sharon 13407a14c23dSSara Sharon if (!size) 13417a14c23dSSara Sharon return NULL; 13427a14c23dSSara Sharon 13437a14c23dSSara Sharon dump_file = vzalloc(size); 13447a14c23dSSara Sharon if (!dump_file) 13457a14c23dSSara Sharon return NULL; 13467a14c23dSSara Sharon 13477a14c23dSSara Sharon fw_error_dump->fwrt_ptr = dump_file; 13487a14c23dSSara Sharon 13497a14c23dSSara Sharon dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 13507a14c23dSSara Sharon dump_data = (void *)dump_file->data; 13517a14c23dSSara Sharon dump_file->file_len = cpu_to_le32(size); 13527a14c23dSSara Sharon 13537a14c23dSSara Sharon *dump_mask = 0; 13547a14c23dSSara Sharon if (trigger) 13557a14c23dSSara Sharon iwl_fw_ini_dump_trigger(fwrt, trigger, &dump_data, dump_mask); 13567a14c23dSSara Sharon if (ext) 13577a14c23dSSara Sharon iwl_fw_ini_dump_trigger(fwrt, ext, &dump_data, dump_mask); 13587a14c23dSSara Sharon 13597a14c23dSSara Sharon return dump_file; 13607a14c23dSSara Sharon } 13617a14c23dSSara Sharon 1362a6820511SSara Sharon void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt) 1363a6820511SSara Sharon { 1364a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump; 1365a6820511SSara Sharon struct iwl_fw_error_dump_file *dump_file; 1366a6820511SSara Sharon struct scatterlist *sg_dump_data; 1367a6820511SSara Sharon u32 file_len; 136879f033f6SSara Sharon u32 dump_mask = fwrt->fw->dbg.dump_mask; 1369a6820511SSara Sharon 1370a6820511SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT dump start\n"); 1371a6820511SSara Sharon 1372a6820511SSara Sharon /* there's no point in fw dump if the bus is dead */ 1373a6820511SSara Sharon if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) { 1374a6820511SSara Sharon IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n"); 1375a6820511SSara Sharon goto out; 1376a6820511SSara Sharon } 1377a6820511SSara Sharon 1378a6820511SSara Sharon fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); 1379a6820511SSara Sharon if (!fw_error_dump) 1380a6820511SSara Sharon goto out; 1381a6820511SSara Sharon 13827a14c23dSSara Sharon if (fwrt->trans->ini_valid) 13837a14c23dSSara Sharon dump_file = _iwl_fw_error_ini_dump(fwrt, fw_error_dump, 13847a14c23dSSara Sharon &dump_mask); 13857a14c23dSSara Sharon else 1386a6820511SSara Sharon dump_file = _iwl_fw_error_dump(fwrt, fw_error_dump); 13877a14c23dSSara Sharon 1388a6820511SSara Sharon if (!dump_file) { 1389a6820511SSara Sharon kfree(fw_error_dump); 1390a6820511SSara Sharon goto out; 1391a6820511SSara Sharon } 1392a6820511SSara Sharon 13937a14c23dSSara Sharon if (!fwrt->trans->ini_valid && fwrt->dump.monitor_only) 139479f033f6SSara Sharon dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR; 139579f033f6SSara Sharon 139679f033f6SSara Sharon fw_error_dump->trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask); 1397a6820511SSara Sharon file_len = le32_to_cpu(dump_file->file_len); 13987174beb6SJohannes Berg fw_error_dump->fwrt_len = file_len; 1399a6820511SSara Sharon if (fw_error_dump->trans_ptr) { 14007174beb6SJohannes Berg file_len += fw_error_dump->trans_ptr->len; 14017174beb6SJohannes Berg dump_file->file_len = cpu_to_le32(file_len); 1402a6820511SSara Sharon } 14037174beb6SJohannes Berg 14047174beb6SJohannes Berg sg_dump_data = alloc_sgtable(file_len); 14057174beb6SJohannes Berg if (sg_dump_data) { 14067174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 14077174beb6SJohannes Berg sg_nents(sg_dump_data), 14087174beb6SJohannes Berg fw_error_dump->fwrt_ptr, 14097174beb6SJohannes Berg fw_error_dump->fwrt_len, 0); 14107174beb6SJohannes Berg if (fw_error_dump->trans_ptr) 14117174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 14127174beb6SJohannes Berg sg_nents(sg_dump_data), 14137174beb6SJohannes Berg fw_error_dump->trans_ptr->data, 14147174beb6SJohannes Berg fw_error_dump->trans_ptr->len, 14157174beb6SJohannes Berg fw_error_dump->fwrt_len); 14167174beb6SJohannes Berg dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, 14177174beb6SJohannes Berg GFP_KERNEL); 14187174beb6SJohannes Berg } 14197174beb6SJohannes Berg vfree(fw_error_dump->fwrt_ptr); 14207174beb6SJohannes Berg vfree(fw_error_dump->trans_ptr); 14217174beb6SJohannes Berg kfree(fw_error_dump); 14227174beb6SJohannes Berg 14237174beb6SJohannes Berg out: 14247174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 14257174beb6SJohannes Berg clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); 1426b88beaf9SIlan Peer IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); 14277174beb6SJohannes Berg } 14287174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_error_dump); 14297174beb6SJohannes Berg 14307174beb6SJohannes Berg const struct iwl_fw_dump_desc iwl_dump_desc_assert = { 14317174beb6SJohannes Berg .trig_desc = { 14327174beb6SJohannes Berg .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), 14337174beb6SJohannes Berg }, 14347174beb6SJohannes Berg }; 14357174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_dump_desc_assert); 14367174beb6SJohannes Berg 14377174beb6SJohannes Berg int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, 1438124e0ebaSSara Sharon const struct iwl_fw_dump_desc *desc, 1439124e0ebaSSara Sharon bool monitor_only, 1440ea7cb829SSara Sharon unsigned int delay) 14417174beb6SJohannes Berg { 1442dfd4b08cSLiad Kaufman /* 1443dfd4b08cSLiad Kaufman * If the loading of the FW completed successfully, the next step is to 1444dfd4b08cSLiad Kaufman * get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non 1445dfd4b08cSLiad Kaufman * zero, the FW was already loaded successully. If the state is "NO_FW" 144684f26025SJohannes Berg * in such a case - exit, since FW may be dead. Otherwise, we 1447dfd4b08cSLiad Kaufman * can try to collect the data, since FW might just not be fully 1448dfd4b08cSLiad Kaufman * loaded (no "ALIVE" yet), and the debug data is accessible. 1449dfd4b08cSLiad Kaufman * 1450dfd4b08cSLiad Kaufman * Corner case: got the FW alive but crashed before getting the SMEM 1451dfd4b08cSLiad Kaufman * config. In such a case, due to HW access problems, we might 1452dfd4b08cSLiad Kaufman * collect garbage. 1453dfd4b08cSLiad Kaufman */ 145484f26025SJohannes Berg if (fwrt->trans->state == IWL_TRANS_NO_FW && 145584f26025SJohannes Berg fwrt->smem_cfg.num_lmacs) 14567174beb6SJohannes Berg return -EIO; 14577174beb6SJohannes Berg 145867b8261cSShahar S Matityahu if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) 14597174beb6SJohannes Berg return -EBUSY; 14607174beb6SJohannes Berg 14617174beb6SJohannes Berg if (WARN_ON(fwrt->dump.desc)) 14627174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 14637174beb6SJohannes Berg 14647174beb6SJohannes Berg IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", 14657174beb6SJohannes Berg le32_to_cpu(desc->trig_desc.type)); 14667174beb6SJohannes Berg 14677174beb6SJohannes Berg fwrt->dump.desc = desc; 1468124e0ebaSSara Sharon fwrt->dump.monitor_only = monitor_only; 14697174beb6SJohannes Berg 14707174beb6SJohannes Berg schedule_delayed_work(&fwrt->dump.wk, delay); 14717174beb6SJohannes Berg 14727174beb6SJohannes Berg return 0; 14737174beb6SJohannes Berg } 14747174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc); 14757174beb6SJohannes Berg 1476700b3799SShahar S Matityahu int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, 1477700b3799SShahar S Matityahu enum iwl_fw_dbg_trigger trig_type) 1478700b3799SShahar S Matityahu { 1479700b3799SShahar S Matityahu int ret; 1480700b3799SShahar S Matityahu struct iwl_fw_dump_desc *iwl_dump_error_desc = 1481700b3799SShahar S Matityahu kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL); 1482700b3799SShahar S Matityahu 1483700b3799SShahar S Matityahu if (!iwl_dump_error_desc) 1484700b3799SShahar S Matityahu return -ENOMEM; 1485700b3799SShahar S Matityahu 1486700b3799SShahar S Matityahu iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type); 1487700b3799SShahar S Matityahu iwl_dump_error_desc->len = 0; 1488700b3799SShahar S Matityahu 1489700b3799SShahar S Matityahu ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0); 1490700b3799SShahar S Matityahu if (ret) { 1491700b3799SShahar S Matityahu kfree(iwl_dump_error_desc); 1492700b3799SShahar S Matityahu } else { 1493700b3799SShahar S Matityahu set_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status); 1494700b3799SShahar S Matityahu 1495700b3799SShahar S Matityahu /* trigger nmi to halt the fw */ 1496700b3799SShahar S Matityahu iwl_force_nmi(fwrt->trans); 1497700b3799SShahar S Matityahu } 1498700b3799SShahar S Matityahu 1499700b3799SShahar S Matityahu return ret; 1500700b3799SShahar S Matityahu } 1501700b3799SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_error_collect); 1502700b3799SShahar S Matityahu 1503fe1b7d6cSSara Sharon int _iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 15047174beb6SJohannes Berg enum iwl_fw_dbg_trigger trig, 15057174beb6SJohannes Berg const char *str, size_t len, 1506af303252SSara Sharon struct iwl_fw_dbg_trigger_tlv *trigger) 15077174beb6SJohannes Berg { 15087174beb6SJohannes Berg struct iwl_fw_dump_desc *desc; 1509ea7cb829SSara Sharon unsigned int delay = 0; 1510124e0ebaSSara Sharon bool monitor_only = false; 15117174beb6SJohannes Berg 1512ea7cb829SSara Sharon if (trigger) { 1513ea7cb829SSara Sharon u16 occurrences = le16_to_cpu(trigger->occurrences) - 1; 1514ea7cb829SSara Sharon 1515ea7cb829SSara Sharon if (!le16_to_cpu(trigger->occurrences)) 1516af303252SSara Sharon return 0; 1517af303252SSara Sharon 1518ea7cb829SSara Sharon if (trigger->flags & IWL_FW_DBG_FORCE_RESTART) { 1519ea7cb829SSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", 1520ea7cb829SSara Sharon trig); 1521378c8931SShahar S Matityahu iwl_force_nmi(fwrt->trans); 1522378c8931SShahar S Matityahu return 0; 1523378c8931SShahar S Matityahu } 1524378c8931SShahar S Matityahu 1525ea7cb829SSara Sharon trigger->occurrences = cpu_to_le16(occurrences); 1526ea7cb829SSara Sharon delay = le16_to_cpu(trigger->trig_dis_ms); 1527124e0ebaSSara Sharon monitor_only = trigger->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY; 1528ea7cb829SSara Sharon } 1529ea7cb829SSara Sharon 15307174beb6SJohannes Berg desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 15317174beb6SJohannes Berg if (!desc) 15327174beb6SJohannes Berg return -ENOMEM; 15337174beb6SJohannes Berg 1534af303252SSara Sharon 15357174beb6SJohannes Berg desc->len = len; 15367174beb6SJohannes Berg desc->trig_desc.type = cpu_to_le32(trig); 15377174beb6SJohannes Berg memcpy(desc->trig_desc.data, str, len); 15387174beb6SJohannes Berg 1539124e0ebaSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); 15407174beb6SJohannes Berg } 1541fe1b7d6cSSara Sharon IWL_EXPORT_SYMBOL(_iwl_fw_dbg_collect); 1542fe1b7d6cSSara Sharon 1543fe1b7d6cSSara Sharon int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 1544fe1b7d6cSSara Sharon u32 id, const char *str, size_t len) 1545fe1b7d6cSSara Sharon { 1546fe1b7d6cSSara Sharon struct iwl_fw_dump_desc *desc; 1547fe1b7d6cSSara Sharon u32 occur, delay; 1548fe1b7d6cSSara Sharon 1549fe1b7d6cSSara Sharon if (!fwrt->trans->ini_valid) 1550fe1b7d6cSSara Sharon return _iwl_fw_dbg_collect(fwrt, id, str, len, NULL); 1551fe1b7d6cSSara Sharon 1552fe1b7d6cSSara Sharon if (id == FW_DBG_TRIGGER_USER) 1553fe1b7d6cSSara Sharon id = IWL_FW_TRIGGER_ID_USER_TRIGGER; 1554fe1b7d6cSSara Sharon 1555fe1b7d6cSSara Sharon if (WARN_ON(!fwrt->dump.active_trigs[id].active)) 1556fe1b7d6cSSara Sharon return -EINVAL; 1557fe1b7d6cSSara Sharon 1558b2aea95cSShahar S Matityahu delay = le32_to_cpu(fwrt->dump.active_trigs[id].conf->dump_delay); 1559fe1b7d6cSSara Sharon occur = le32_to_cpu(fwrt->dump.active_trigs[id].conf->occurrences); 1560fe1b7d6cSSara Sharon if (!occur) 1561fe1b7d6cSSara Sharon return 0; 1562fe1b7d6cSSara Sharon 1563fe1b7d6cSSara Sharon if (le32_to_cpu(fwrt->dump.active_trigs[id].conf->force_restart)) { 1564fe1b7d6cSSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", id); 1565fe1b7d6cSSara Sharon iwl_force_nmi(fwrt->trans); 1566fe1b7d6cSSara Sharon return 0; 1567fe1b7d6cSSara Sharon } 1568fe1b7d6cSSara Sharon 1569fe1b7d6cSSara Sharon desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 1570fe1b7d6cSSara Sharon if (!desc) 1571fe1b7d6cSSara Sharon return -ENOMEM; 1572fe1b7d6cSSara Sharon 1573fe1b7d6cSSara Sharon occur--; 1574fe1b7d6cSSara Sharon fwrt->dump.active_trigs[id].conf->occurrences = cpu_to_le32(occur); 1575fe1b7d6cSSara Sharon 1576fe1b7d6cSSara Sharon desc->len = len; 1577fe1b7d6cSSara Sharon desc->trig_desc.type = cpu_to_le32(id); 1578fe1b7d6cSSara Sharon memcpy(desc->trig_desc.data, str, len); 1579fe1b7d6cSSara Sharon 1580fe1b7d6cSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, true, delay); 1581fe1b7d6cSSara Sharon } 15827174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect); 15837174beb6SJohannes Berg 15847174beb6SJohannes Berg int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, 15857174beb6SJohannes Berg struct iwl_fw_dbg_trigger_tlv *trigger, 15867174beb6SJohannes Berg const char *fmt, ...) 15877174beb6SJohannes Berg { 15887174beb6SJohannes Berg int ret, len = 0; 15897174beb6SJohannes Berg char buf[64]; 15907174beb6SJohannes Berg 159174374223SSara Sharon if (fwrt->trans->ini_valid) 159274374223SSara Sharon return 0; 159374374223SSara Sharon 15947174beb6SJohannes Berg if (fmt) { 15957174beb6SJohannes Berg va_list ap; 15967174beb6SJohannes Berg 15977174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 15987174beb6SJohannes Berg 15997174beb6SJohannes Berg va_start(ap, fmt); 16007174beb6SJohannes Berg vsnprintf(buf, sizeof(buf), fmt, ap); 16017174beb6SJohannes Berg va_end(ap); 16027174beb6SJohannes Berg 16037174beb6SJohannes Berg /* check for truncation */ 16047174beb6SJohannes Berg if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) 16057174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 16067174beb6SJohannes Berg 16077174beb6SJohannes Berg len = strlen(buf) + 1; 16087174beb6SJohannes Berg } 16097174beb6SJohannes Berg 1610fe1b7d6cSSara Sharon ret = _iwl_fw_dbg_collect(fwrt, le32_to_cpu(trigger->id), buf, len, 16117174beb6SJohannes Berg trigger); 16127174beb6SJohannes Berg 16137174beb6SJohannes Berg if (ret) 16147174beb6SJohannes Berg return ret; 16157174beb6SJohannes Berg 16167174beb6SJohannes Berg return 0; 16177174beb6SJohannes Berg } 16187174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_trig); 16197174beb6SJohannes Berg 16207174beb6SJohannes Berg int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) 16217174beb6SJohannes Berg { 16227174beb6SJohannes Berg u8 *ptr; 16237174beb6SJohannes Berg int ret; 16247174beb6SJohannes Berg int i; 16257174beb6SJohannes Berg 162617b809c9SSara Sharon if (WARN_ONCE(conf_id >= ARRAY_SIZE(fwrt->fw->dbg.conf_tlv), 16277174beb6SJohannes Berg "Invalid configuration %d\n", conf_id)) 16287174beb6SJohannes Berg return -EINVAL; 16297174beb6SJohannes Berg 16307174beb6SJohannes Berg /* EARLY START - firmware's configuration is hard coded */ 163117b809c9SSara Sharon if ((!fwrt->fw->dbg.conf_tlv[conf_id] || 163217b809c9SSara Sharon !fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds) && 16337174beb6SJohannes Berg conf_id == FW_DBG_START_FROM_ALIVE) 16347174beb6SJohannes Berg return 0; 16357174beb6SJohannes Berg 163617b809c9SSara Sharon if (!fwrt->fw->dbg.conf_tlv[conf_id]) 16377174beb6SJohannes Berg return -EINVAL; 16387174beb6SJohannes Berg 16397174beb6SJohannes Berg if (fwrt->dump.conf != FW_DBG_INVALID) 16407174beb6SJohannes Berg IWL_WARN(fwrt, "FW already configured (%d) - re-configuring\n", 16417174beb6SJohannes Berg fwrt->dump.conf); 16427174beb6SJohannes Berg 16437174beb6SJohannes Berg /* Send all HCMDs for configuring the FW debug */ 164417b809c9SSara Sharon ptr = (void *)&fwrt->fw->dbg.conf_tlv[conf_id]->hcmd; 164517b809c9SSara Sharon for (i = 0; i < fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds; i++) { 16467174beb6SJohannes Berg struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; 16477174beb6SJohannes Berg struct iwl_host_cmd hcmd = { 16487174beb6SJohannes Berg .id = cmd->id, 16497174beb6SJohannes Berg .len = { le16_to_cpu(cmd->len), }, 16507174beb6SJohannes Berg .data = { cmd->data, }, 16517174beb6SJohannes Berg }; 16527174beb6SJohannes Berg 16537174beb6SJohannes Berg ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); 16547174beb6SJohannes Berg if (ret) 16557174beb6SJohannes Berg return ret; 16567174beb6SJohannes Berg 16577174beb6SJohannes Berg ptr += sizeof(*cmd); 16587174beb6SJohannes Berg ptr += le16_to_cpu(cmd->len); 16597174beb6SJohannes Berg } 16607174beb6SJohannes Berg 16617174beb6SJohannes Berg fwrt->dump.conf = conf_id; 16627174beb6SJohannes Berg 16637174beb6SJohannes Berg return 0; 16647174beb6SJohannes Berg } 16657174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf); 16667174beb6SJohannes Berg 16674244e7fcSShahar S Matityahu /* this function assumes dump_start was called beforehand and dump_end will be 16684244e7fcSShahar S Matityahu * called afterwards 16694244e7fcSShahar S Matityahu */ 16704244e7fcSShahar S Matityahu void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt) 16717174beb6SJohannes Berg { 1672d25eec30SSara Sharon struct iwl_fw_dbg_params params = {0}; 16737174beb6SJohannes Berg 16744244e7fcSShahar S Matityahu if (!test_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) 16757174beb6SJohannes Berg return; 16767174beb6SJohannes Berg 16778745f12aSShaul Triebitz if (fwrt->ops && fwrt->ops->fw_running && 16788745f12aSShaul Triebitz !fwrt->ops->fw_running(fwrt->ops_ctx)) { 16798745f12aSShaul Triebitz IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); 16808745f12aSShaul Triebitz iwl_fw_free_dump_desc(fwrt); 16818745f12aSShaul Triebitz clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); 16824244e7fcSShahar S Matityahu return; 16838745f12aSShaul Triebitz } 16848745f12aSShaul Triebitz 16855cfe79c8SSara Sharon iwl_fw_dbg_stop_recording(fwrt, ¶ms); 16867174beb6SJohannes Berg 16877174beb6SJohannes Berg iwl_fw_error_dump(fwrt); 16887174beb6SJohannes Berg 16897174beb6SJohannes Berg /* start recording again if the firmware is not crashed */ 16907174beb6SJohannes Berg if (!test_bit(STATUS_FW_ERROR, &fwrt->trans->status) && 169117b809c9SSara Sharon fwrt->fw->dbg.dest_tlv) { 16927174beb6SJohannes Berg /* wait before we collect the data till the DBGC stop */ 16937174beb6SJohannes Berg udelay(500); 16945cfe79c8SSara Sharon iwl_fw_dbg_restart_recording(fwrt, ¶ms); 16957174beb6SJohannes Berg } 16964244e7fcSShahar S Matityahu } 16974244e7fcSShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_sync); 16984244e7fcSShahar S Matityahu 16994244e7fcSShahar S Matityahu void iwl_fw_error_dump_wk(struct work_struct *work) 17004244e7fcSShahar S Matityahu { 17014244e7fcSShahar S Matityahu struct iwl_fw_runtime *fwrt = 17024244e7fcSShahar S Matityahu container_of(work, struct iwl_fw_runtime, dump.wk.work); 17034244e7fcSShahar S Matityahu 17044244e7fcSShahar S Matityahu if (fwrt->ops && fwrt->ops->dump_start && 17054244e7fcSShahar S Matityahu fwrt->ops->dump_start(fwrt->ops_ctx)) 17064244e7fcSShahar S Matityahu return; 17074244e7fcSShahar S Matityahu 17084244e7fcSShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt); 17094244e7fcSShahar S Matityahu 17107174beb6SJohannes Berg if (fwrt->ops && fwrt->ops->dump_end) 17117174beb6SJohannes Berg fwrt->ops->dump_end(fwrt->ops_ctx); 17127174beb6SJohannes Berg } 17137174beb6SJohannes Berg 17142d8c2615SShahar S Matityahu void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) 17152d8c2615SShahar S Matityahu { 17162d8c2615SShahar S Matityahu const struct iwl_cfg *cfg = fwrt->trans->cfg; 17172d8c2615SShahar S Matityahu 17182d8c2615SShahar S Matityahu if (!iwl_fw_dbg_is_d3_debug_enabled(fwrt)) 17192d8c2615SShahar S Matityahu return; 17202d8c2615SShahar S Matityahu 17212d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 17222d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = kmalloc(cfg->d3_debug_data_length, 17232d8c2615SShahar S Matityahu GFP_KERNEL); 17242d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 17252d8c2615SShahar S Matityahu IWL_ERR(fwrt, 17262d8c2615SShahar S Matityahu "failed to allocate memory for D3 debug data\n"); 17272d8c2615SShahar S Matityahu return; 17282d8c2615SShahar S Matityahu } 17292d8c2615SShahar S Matityahu } 17302d8c2615SShahar S Matityahu 17312d8c2615SShahar S Matityahu /* if the buffer holds previous debug data it is overwritten */ 17322d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, cfg->d3_debug_data_base_addr, 17332d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data, 17342d8c2615SShahar S Matityahu cfg->d3_debug_data_length); 17352d8c2615SShahar S Matityahu } 17362d8c2615SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data); 1737d47902f9SSara Sharon 1738d47902f9SSara Sharon static void 17390ec7bfb2SShahar S Matityahu iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, u32 size) 17400ec7bfb2SShahar S Matityahu { 17410ec7bfb2SShahar S Matityahu struct iwl_trans *trans = fwrt->trans; 17420ec7bfb2SShahar S Matityahu void *virtual_addr = NULL; 17430ec7bfb2SShahar S Matityahu dma_addr_t phys_addr; 17440ec7bfb2SShahar S Matityahu 17450ec7bfb2SShahar S Matityahu if (WARN_ON_ONCE(trans->num_blocks == ARRAY_SIZE(trans->fw_mon))) 17460ec7bfb2SShahar S Matityahu return; 17470ec7bfb2SShahar S Matityahu 17480ec7bfb2SShahar S Matityahu virtual_addr = 17490ec7bfb2SShahar S Matityahu dma_alloc_coherent(fwrt->trans->dev, size, &phys_addr, 17500ec7bfb2SShahar S Matityahu GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO | 17510ec7bfb2SShahar S Matityahu __GFP_COMP); 17520ec7bfb2SShahar S Matityahu 17530ec7bfb2SShahar S Matityahu /* TODO: alloc fragments if needed */ 17540ec7bfb2SShahar S Matityahu if (!virtual_addr) 17550ec7bfb2SShahar S Matityahu IWL_ERR(fwrt, "Failed to allocate debug memory\n"); 17560ec7bfb2SShahar S Matityahu 17570ec7bfb2SShahar S Matityahu trans->fw_mon[trans->num_blocks].block = virtual_addr; 17580ec7bfb2SShahar S Matityahu trans->fw_mon[trans->num_blocks].physical = phys_addr; 17590ec7bfb2SShahar S Matityahu trans->fw_mon[trans->num_blocks].size = size; 17600ec7bfb2SShahar S Matityahu trans->num_blocks++; 17610ec7bfb2SShahar S Matityahu 17620ec7bfb2SShahar S Matityahu IWL_DEBUG_FW(trans, "Allocated debug block of size %d\n", size); 17630ec7bfb2SShahar S Matityahu } 17640ec7bfb2SShahar S Matityahu 17650ec7bfb2SShahar S Matityahu static void iwl_fw_dbg_buffer_apply(struct iwl_fw_runtime *fwrt, 17660ec7bfb2SShahar S Matityahu struct iwl_fw_ini_allocation_data *alloc) 1767d47902f9SSara Sharon { 1768d47902f9SSara Sharon struct iwl_trans *trans = fwrt->trans; 1769e6aeeb4fSJohannes Berg struct iwl_ldbg_config_cmd ldbg_cmd = { 1770e6aeeb4fSJohannes Berg .type = cpu_to_le32(BUFFER_ALLOCATION), 1771e6aeeb4fSJohannes Berg }; 1772e6aeeb4fSJohannes Berg struct iwl_buffer_allocation_cmd *cmd = &ldbg_cmd.buffer_allocation; 1773d47902f9SSara Sharon struct iwl_host_cmd hcmd = { 1774d47902f9SSara Sharon .id = LDBG_CONFIG_CMD, 1775d47902f9SSara Sharon .flags = CMD_ASYNC, 1776e6aeeb4fSJohannes Berg .data[0] = &ldbg_cmd, 1777e6aeeb4fSJohannes Berg .len[0] = sizeof(ldbg_cmd), 1778d47902f9SSara Sharon }; 17790ec7bfb2SShahar S Matityahu int block_idx = trans->num_blocks; 1780d47902f9SSara Sharon 17810ec7bfb2SShahar S Matityahu if (le32_to_cpu(alloc->tlv.buffer_location) != 1782d47902f9SSara Sharon IWL_FW_INI_LOCATION_DRAM_PATH) 1783d47902f9SSara Sharon return; 1784d47902f9SSara Sharon 17850ec7bfb2SShahar S Matityahu if (!alloc->is_alloc) { 17860ec7bfb2SShahar S Matityahu iwl_fw_dbg_buffer_allocation(fwrt, 17870ec7bfb2SShahar S Matityahu le32_to_cpu(alloc->tlv.size)); 17880ec7bfb2SShahar S Matityahu if (block_idx == trans->num_blocks) 1789d47902f9SSara Sharon return; 17900ec7bfb2SShahar S Matityahu alloc->is_alloc = 1; 17910ec7bfb2SShahar S Matityahu } 1792d47902f9SSara Sharon 1793d47902f9SSara Sharon /* First block is assigned via registers / context info */ 1794d47902f9SSara Sharon if (trans->num_blocks == 1) 1795d47902f9SSara Sharon return; 1796d47902f9SSara Sharon 1797d47902f9SSara Sharon cmd->num_frags = cpu_to_le32(1); 17980ec7bfb2SShahar S Matityahu cmd->fragments[0].address = 17990ec7bfb2SShahar S Matityahu cpu_to_le64(trans->fw_mon[block_idx].physical); 18000ec7bfb2SShahar S Matityahu cmd->fragments[0].size = alloc->tlv.size; 18010ec7bfb2SShahar S Matityahu cmd->allocation_id = alloc->tlv.allocation_id; 18020ec7bfb2SShahar S Matityahu cmd->buffer_location = alloc->tlv.buffer_location; 1803d47902f9SSara Sharon 1804d47902f9SSara Sharon iwl_trans_send_cmd(trans, &hcmd); 1805d47902f9SSara Sharon } 1806d47902f9SSara Sharon 1807d47902f9SSara Sharon static void iwl_fw_dbg_send_hcmd(struct iwl_fw_runtime *fwrt, 1808d47902f9SSara Sharon struct iwl_ucode_tlv *tlv) 1809d47902f9SSara Sharon { 1810d47902f9SSara Sharon struct iwl_fw_ini_hcmd_tlv *hcmd_tlv = (void *)&tlv->data[0]; 1811d47902f9SSara Sharon struct iwl_fw_ini_hcmd *data = &hcmd_tlv->hcmd; 1812d47902f9SSara Sharon u16 len = le32_to_cpu(tlv->length) - sizeof(*hcmd_tlv); 1813d47902f9SSara Sharon 1814d47902f9SSara Sharon struct iwl_host_cmd hcmd = { 1815d47902f9SSara Sharon .id = WIDE_ID(data->group, data->id), 1816d47902f9SSara Sharon .len = { len, }, 1817d47902f9SSara Sharon .data = { data->data, }, 1818d47902f9SSara Sharon }; 1819d47902f9SSara Sharon 1820d47902f9SSara Sharon iwl_trans_send_cmd(fwrt->trans, &hcmd); 1821d47902f9SSara Sharon } 1822d47902f9SSara Sharon 1823d47902f9SSara Sharon static void iwl_fw_dbg_update_regions(struct iwl_fw_runtime *fwrt, 1824d47902f9SSara Sharon struct iwl_fw_ini_region_tlv *tlv, 1825d47902f9SSara Sharon bool ext, enum iwl_fw_ini_apply_point pnt) 1826d47902f9SSara Sharon { 1827d47902f9SSara Sharon void *iter = (void *)tlv->region_config; 1828d47902f9SSara Sharon int i, size = le32_to_cpu(tlv->num_regions); 1829d47902f9SSara Sharon 1830d47902f9SSara Sharon for (i = 0; i < size; i++) { 18310ec7bfb2SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg = iter, **active; 1832d47902f9SSara Sharon int id = le32_to_cpu(reg->region_id); 18339deb52c6SShahar S Matityahu u32 type = le32_to_cpu(reg->region_type); 1834d47902f9SSara Sharon 18352c47e5a1SSara Sharon if (WARN(id >= ARRAY_SIZE(fwrt->dump.active_regs), 18362c47e5a1SSara Sharon "Invalid region id %d for apply point %d\n", id, pnt)) 1837d47902f9SSara Sharon break; 1838d47902f9SSara Sharon 1839d47902f9SSara Sharon active = &fwrt->dump.active_regs[id]; 1840d47902f9SSara Sharon 18410ec7bfb2SShahar S Matityahu if (*active) 18420ec7bfb2SShahar S Matityahu IWL_WARN(fwrt->trans, "region TLV %d override\n", id); 1843d47902f9SSara Sharon 1844d47902f9SSara Sharon IWL_DEBUG_FW(fwrt, 1845d47902f9SSara Sharon "%s: apply point %d, activating region ID %d\n", 1846d47902f9SSara Sharon __func__, pnt, id); 1847d47902f9SSara Sharon 18480ec7bfb2SShahar S Matityahu *active = reg; 1849d47902f9SSara Sharon 18509deb52c6SShahar S Matityahu if (type == IWL_FW_INI_REGION_TXF || 18519deb52c6SShahar S Matityahu type == IWL_FW_INI_REGION_RXF) 18529deb52c6SShahar S Matityahu iter += le32_to_cpu(reg->fifos.num_of_registers) * 18539deb52c6SShahar S Matityahu sizeof(__le32); 18549deb52c6SShahar S Matityahu else if (type != IWL_FW_INI_REGION_DRAM_BUFFER) 18559deb52c6SShahar S Matityahu iter += le32_to_cpu(reg->internal.num_of_ranges) * 1856bb0306bdSShahar S Matityahu sizeof(__le32); 1857d47902f9SSara Sharon 1858d47902f9SSara Sharon iter += sizeof(*reg); 1859d47902f9SSara Sharon } 1860d47902f9SSara Sharon } 1861d47902f9SSara Sharon 1862d47902f9SSara Sharon static void iwl_fw_dbg_update_triggers(struct iwl_fw_runtime *fwrt, 1863d47902f9SSara Sharon struct iwl_fw_ini_trigger_tlv *tlv, 1864d47902f9SSara Sharon bool ext, 1865d47902f9SSara Sharon enum iwl_fw_ini_apply_point apply_point) 1866d47902f9SSara Sharon { 1867d47902f9SSara Sharon int i, size = le32_to_cpu(tlv->num_triggers); 1868d47902f9SSara Sharon void *iter = (void *)tlv->trigger_config; 1869d47902f9SSara Sharon 1870d47902f9SSara Sharon for (i = 0; i < size; i++) { 1871d47902f9SSara Sharon struct iwl_fw_ini_trigger *trig = iter; 1872d47902f9SSara Sharon struct iwl_fw_ini_active_triggers *active; 1873d47902f9SSara Sharon int id = le32_to_cpu(trig->trigger_id); 1874d47902f9SSara Sharon u32 num; 1875d47902f9SSara Sharon 1876d47902f9SSara Sharon if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) 1877d47902f9SSara Sharon break; 1878d47902f9SSara Sharon 1879d47902f9SSara Sharon active = &fwrt->dump.active_trigs[id]; 1880d47902f9SSara Sharon 1881d47902f9SSara Sharon if (active->apply_point != apply_point) { 1882d47902f9SSara Sharon active->conf = NULL; 1883d47902f9SSara Sharon active->conf_ext = NULL; 1884d47902f9SSara Sharon } 1885d47902f9SSara Sharon 1886d47902f9SSara Sharon num = le32_to_cpu(trig->num_regions); 1887d47902f9SSara Sharon 1888d47902f9SSara Sharon if (ext && active->apply_point == apply_point) { 1889d47902f9SSara Sharon num += le32_to_cpu(active->conf->num_regions); 1890d47902f9SSara Sharon if (trig->ignore_default) { 1891d47902f9SSara Sharon active->conf_ext = active->conf; 1892d47902f9SSara Sharon active->conf = trig; 1893d47902f9SSara Sharon } else { 1894d47902f9SSara Sharon active->conf_ext = trig; 1895d47902f9SSara Sharon } 1896d47902f9SSara Sharon } else { 1897d47902f9SSara Sharon active->conf = trig; 1898d47902f9SSara Sharon } 1899d47902f9SSara Sharon 1900fe1b7d6cSSara Sharon /* Since zero means infinity - just set to -1 */ 1901fe1b7d6cSSara Sharon if (!le32_to_cpu(trig->occurrences)) 1902fe1b7d6cSSara Sharon trig->occurrences = cpu_to_le32(-1); 1903fe1b7d6cSSara Sharon if (!le32_to_cpu(trig->ignore_consec)) 1904fe1b7d6cSSara Sharon trig->ignore_consec = cpu_to_le32(-1); 1905fe1b7d6cSSara Sharon 1906d47902f9SSara Sharon iter += sizeof(*trig) + 1907d47902f9SSara Sharon le32_to_cpu(trig->num_regions) * sizeof(__le32); 1908d47902f9SSara Sharon 1909d47902f9SSara Sharon active->active = num; 1910d47902f9SSara Sharon active->apply_point = apply_point; 1911d47902f9SSara Sharon } 1912d47902f9SSara Sharon } 1913d47902f9SSara Sharon 1914d47902f9SSara Sharon static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, 1915d47902f9SSara Sharon struct iwl_apply_point_data *data, 1916d47902f9SSara Sharon enum iwl_fw_ini_apply_point pnt, 1917d47902f9SSara Sharon bool ext) 1918d47902f9SSara Sharon { 1919d47902f9SSara Sharon void *iter = data->data; 1920d47902f9SSara Sharon 1921d47902f9SSara Sharon while (iter && iter < data->data + data->size) { 1922d47902f9SSara Sharon struct iwl_ucode_tlv *tlv = iter; 1923d47902f9SSara Sharon void *ini_tlv = (void *)tlv->data; 1924d47902f9SSara Sharon u32 type = le32_to_cpu(tlv->type); 1925d47902f9SSara Sharon 1926d47902f9SSara Sharon switch (type) { 19270ec7bfb2SShahar S Matityahu case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: { 19280ec7bfb2SShahar S Matityahu struct iwl_fw_ini_allocation_data *buf_alloc = ini_tlv; 19290ec7bfb2SShahar S Matityahu 19300ec7bfb2SShahar S Matityahu iwl_fw_dbg_buffer_apply(fwrt, ini_tlv); 19310ec7bfb2SShahar S Matityahu iter += sizeof(buf_alloc->is_alloc); 1932d47902f9SSara Sharon break; 19330ec7bfb2SShahar S Matityahu } 1934d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_HCMD: 1935d47902f9SSara Sharon if (pnt < IWL_FW_INI_APPLY_AFTER_ALIVE) { 1936d47902f9SSara Sharon IWL_ERR(fwrt, 1937d47902f9SSara Sharon "Invalid apply point %x for host command\n", 1938d47902f9SSara Sharon pnt); 1939d47902f9SSara Sharon goto next; 1940d47902f9SSara Sharon } 1941d47902f9SSara Sharon iwl_fw_dbg_send_hcmd(fwrt, tlv); 1942d47902f9SSara Sharon break; 1943d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_REGIONS: 1944d47902f9SSara Sharon iwl_fw_dbg_update_regions(fwrt, ini_tlv, ext, pnt); 1945d47902f9SSara Sharon break; 1946d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_TRIGGERS: 1947d47902f9SSara Sharon iwl_fw_dbg_update_triggers(fwrt, ini_tlv, ext, pnt); 1948d47902f9SSara Sharon break; 1949d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: 1950d47902f9SSara Sharon break; 1951d47902f9SSara Sharon default: 1952d47902f9SSara Sharon WARN_ONCE(1, "Invalid TLV %x for apply point\n", type); 1953d47902f9SSara Sharon break; 1954d47902f9SSara Sharon } 1955d47902f9SSara Sharon next: 1956d47902f9SSara Sharon iter += sizeof(*tlv) + le32_to_cpu(tlv->length); 1957d47902f9SSara Sharon } 1958d47902f9SSara Sharon } 1959d47902f9SSara Sharon 1960d47902f9SSara Sharon void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, 1961d47902f9SSara Sharon enum iwl_fw_ini_apply_point apply_point) 1962d47902f9SSara Sharon { 1963d47902f9SSara Sharon void *data = &fwrt->trans->apply_points[apply_point]; 19640ec7bfb2SShahar S Matityahu int i; 19650ec7bfb2SShahar S Matityahu 19660ec7bfb2SShahar S Matityahu if (apply_point == IWL_FW_INI_APPLY_EARLY) { 19670ec7bfb2SShahar S Matityahu for (i = 0; i < IWL_FW_INI_MAX_REGION_ID; i++) 19680ec7bfb2SShahar S Matityahu fwrt->dump.active_regs[i] = NULL; 19690ec7bfb2SShahar S Matityahu } 1970d47902f9SSara Sharon 1971d47902f9SSara Sharon _iwl_fw_dbg_apply_point(fwrt, data, apply_point, false); 1972d47902f9SSara Sharon 1973d47902f9SSara Sharon data = &fwrt->trans->apply_points_ext[apply_point]; 1974d47902f9SSara Sharon _iwl_fw_dbg_apply_point(fwrt, data, apply_point, true); 1975d47902f9SSara Sharon } 1976d47902f9SSara Sharon IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point); 1977700b3799SShahar S Matityahu 1978700b3799SShahar S Matityahu void iwl_fwrt_stop_device(struct iwl_fw_runtime *fwrt) 1979700b3799SShahar S Matityahu { 1980700b3799SShahar S Matityahu /* if the wait event timeout elapses instead of wake up then 1981700b3799SShahar S Matityahu * the driver did not receive NMI interrupt and can not assume the FW 1982700b3799SShahar S Matityahu * is halted 1983700b3799SShahar S Matityahu */ 1984700b3799SShahar S Matityahu int ret = wait_event_timeout(fwrt->trans->fw_halt_waitq, 1985700b3799SShahar S Matityahu !test_bit(STATUS_FW_WAIT_DUMP, 1986700b3799SShahar S Matityahu &fwrt->trans->status), 1987700b3799SShahar S Matityahu msecs_to_jiffies(2000)); 1988700b3799SShahar S Matityahu if (!ret) { 1989700b3799SShahar S Matityahu /* failed to receive NMI interrupt, assuming the FW is stuck */ 1990700b3799SShahar S Matityahu set_bit(STATUS_FW_ERROR, &fwrt->trans->status); 1991700b3799SShahar S Matityahu 1992700b3799SShahar S Matityahu clear_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status); 1993700b3799SShahar S Matityahu } 1994700b3799SShahar S Matityahu 1995700b3799SShahar S Matityahu /* Assuming the op mode mutex is held at this point */ 1996700b3799SShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt); 1997700b3799SShahar S Matityahu 1998700b3799SShahar S Matityahu iwl_trans_stop_device(fwrt->trans); 1999700b3799SShahar S Matityahu } 2000700b3799SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fwrt_stop_device); 2001