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 11*d4f4793cSShaul Triebitz * Copyright(c) 2018 - 2019 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 34*d4f4793cSShaul Triebitz * Copyright(c) 2018 - 2019 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 676*d4f4793cSShaul Triebitz if (fwrt->trans->cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { 677*d4f4793cSShaul Triebitz /* TODO */ 678*d4f4793cSShaul Triebitz } else if (fwrt->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 6797e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_22000); 6807e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_22000, range_len, ptr); 6817e08baebSShahar S Matityahu } else { 6827e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_comm); 6837e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_comm, range_len, ptr); 684da752717SShahar S Matityahu 685da752717SShahar S Matityahu if (fwrt->trans->cfg->mq_rx_supported) { 6867e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_9000); 6877e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_9000, range_len, ptr); 688da752717SShahar S Matityahu } 689da752717SShahar S Matityahu } 690da752717SShahar S Matityahu } 691da752717SShahar S Matityahu 692da752717SShahar S Matityahu static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt, 693da752717SShahar S Matityahu struct iwl_fw_error_dump_data **dump_data, 6947339cc29SSara Sharon u32 len, u32 ofs, u32 type) 695da752717SShahar S Matityahu { 696da752717SShahar S Matityahu struct iwl_fw_error_dump_mem *dump_mem; 697da752717SShahar S Matityahu 6987339cc29SSara Sharon if (!len) 6997339cc29SSara Sharon return; 700da752717SShahar S Matityahu 701da752717SShahar S Matityahu (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); 702da752717SShahar S Matityahu (*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem)); 703da752717SShahar S Matityahu dump_mem = (void *)(*dump_data)->data; 7047339cc29SSara Sharon dump_mem->type = cpu_to_le32(type); 705da752717SShahar S Matityahu dump_mem->offset = cpu_to_le32(ofs); 706da752717SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len); 707da752717SShahar S Matityahu *dump_data = iwl_fw_error_next_data(*dump_data); 708da752717SShahar S Matityahu 7097339cc29SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type); 710da752717SShahar S Matityahu } 711da752717SShahar S Matityahu 71268025d5fSSara Sharon #define ADD_LEN(len, item_len, const_len) \ 71368025d5fSSara Sharon do {size_t item = item_len; len += (!!item) * const_len + item; } \ 71468025d5fSSara Sharon while (0) 71568025d5fSSara Sharon 71632b258e9SSara Sharon static int iwl_fw_rxf_len(struct iwl_fw_runtime *fwrt, 71768025d5fSSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 71868025d5fSSara Sharon { 71968025d5fSSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 72068025d5fSSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 72168025d5fSSara Sharon u32 fifo_len = 0; 72268025d5fSSara Sharon int i; 72368025d5fSSara Sharon 724e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RXF)) 72532b258e9SSara Sharon return 0; 72668025d5fSSara Sharon 72768025d5fSSara Sharon /* Count RXF2 size */ 72868025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->rxfifo2_size, hdr_len); 72968025d5fSSara Sharon 73068025d5fSSara Sharon /* Count RXF1 sizes */ 731acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 732acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 733acf42a95SMordechay Goodstein 73468025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) 73568025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].rxfifo1_size, hdr_len); 73668025d5fSSara Sharon 73732b258e9SSara Sharon return fifo_len; 73832b258e9SSara Sharon } 73932b258e9SSara Sharon 74032b258e9SSara Sharon static int iwl_fw_txf_len(struct iwl_fw_runtime *fwrt, 74132b258e9SSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 74232b258e9SSara Sharon { 74332b258e9SSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 74432b258e9SSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 74532b258e9SSara Sharon u32 fifo_len = 0; 74632b258e9SSara Sharon int i; 74732b258e9SSara Sharon 748e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) 74968025d5fSSara Sharon goto dump_internal_txf; 75068025d5fSSara Sharon 75168025d5fSSara Sharon /* Count TXF sizes */ 752acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 753acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 754acf42a95SMordechay Goodstein 75568025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) { 75668025d5fSSara Sharon int j; 75768025d5fSSara Sharon 75868025d5fSSara Sharon for (j = 0; j < mem_cfg->num_txfifo_entries; j++) 75968025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].txfifo_size[j], 76068025d5fSSara Sharon hdr_len); 76168025d5fSSara Sharon } 76268025d5fSSara Sharon 76368025d5fSSara Sharon dump_internal_txf: 764e488e593SSara Sharon if (!(iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_INTERNAL_TXF) && 76568025d5fSSara Sharon fw_has_capa(&fwrt->fw->ucode_capa, 76668025d5fSSara Sharon IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))) 76768025d5fSSara Sharon goto out; 76868025d5fSSara Sharon 76968025d5fSSara Sharon for (i = 0; i < ARRAY_SIZE(mem_cfg->internal_txfifo_size); i++) 77068025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->internal_txfifo_size[i], hdr_len); 77168025d5fSSara Sharon 77268025d5fSSara Sharon out: 77368025d5fSSara Sharon return fifo_len; 77468025d5fSSara Sharon } 77568025d5fSSara Sharon 77656b657f7SSara Sharon static void iwl_dump_paging(struct iwl_fw_runtime *fwrt, 77756b657f7SSara Sharon struct iwl_fw_error_dump_data **data) 77856b657f7SSara Sharon { 77956b657f7SSara Sharon int i; 78056b657f7SSara Sharon 78156b657f7SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT paging dump\n"); 78256b657f7SSara Sharon for (i = 1; i < fwrt->num_of_paging_blk + 1; i++) { 78356b657f7SSara Sharon struct iwl_fw_error_dump_paging *paging; 78456b657f7SSara Sharon struct page *pages = 78556b657f7SSara Sharon fwrt->fw_paging_db[i].fw_paging_block; 78656b657f7SSara Sharon dma_addr_t addr = fwrt->fw_paging_db[i].fw_paging_phys; 78756b657f7SSara Sharon 78856b657f7SSara Sharon (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING); 78956b657f7SSara Sharon (*data)->len = cpu_to_le32(sizeof(*paging) + 79056b657f7SSara Sharon PAGING_BLOCK_SIZE); 79156b657f7SSara Sharon paging = (void *)(*data)->data; 79256b657f7SSara Sharon paging->index = cpu_to_le32(i); 79356b657f7SSara Sharon dma_sync_single_for_cpu(fwrt->trans->dev, addr, 79456b657f7SSara Sharon PAGING_BLOCK_SIZE, 79556b657f7SSara Sharon DMA_BIDIRECTIONAL); 79656b657f7SSara Sharon memcpy(paging->data, page_address(pages), 79756b657f7SSara Sharon PAGING_BLOCK_SIZE); 7987e316572SShahar S Matityahu dma_sync_single_for_device(fwrt->trans->dev, addr, 7997e316572SShahar S Matityahu PAGING_BLOCK_SIZE, 8007e316572SShahar S Matityahu DMA_BIDIRECTIONAL); 80156b657f7SSara Sharon (*data) = iwl_fw_error_next_data(*data); 80256b657f7SSara Sharon } 80356b657f7SSara Sharon } 80456b657f7SSara Sharon 805a6820511SSara Sharon static struct iwl_fw_error_dump_file * 806a6820511SSara Sharon _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, 807a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump) 8087174beb6SJohannes Berg { 8097174beb6SJohannes Berg struct iwl_fw_error_dump_file *dump_file; 8107174beb6SJohannes Berg struct iwl_fw_error_dump_data *dump_data; 8117174beb6SJohannes Berg struct iwl_fw_error_dump_info *dump_info; 812ce27f005SGolan Ben-Ami struct iwl_fw_error_dump_smem_cfg *dump_smem_cfg; 8137174beb6SJohannes Berg struct iwl_fw_error_dump_trigger_desc *dump_trig; 8147174beb6SJohannes Berg u32 sram_len, sram_ofs; 81568025d5fSSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_mem = fwrt->fw->dbg.mem_tlv; 816ce27f005SGolan Ben-Ami struct iwl_fwrt_shared_mem_cfg *mem_cfg = &fwrt->smem_cfg; 81768025d5fSSara Sharon u32 file_len, fifo_len = 0, prph_len = 0, radio_len = 0; 81817b809c9SSara Sharon u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->smem_len; 81917b809c9SSara Sharon u32 sram2_len = fwrt->fw->dbg.n_mem_tlv ? 8207174beb6SJohannes Berg 0 : fwrt->trans->cfg->dccm2_len; 8217174beb6SJohannes Berg int i; 8227174beb6SJohannes Berg 8237174beb6SJohannes Berg /* SRAM - include stack CCM if driver knows the values for it */ 8247174beb6SJohannes Berg if (!fwrt->trans->cfg->dccm_offset || !fwrt->trans->cfg->dccm_len) { 8257174beb6SJohannes Berg const struct fw_img *img; 8267174beb6SJohannes Berg 827162b22c9SLiad Kaufman if (fwrt->cur_fw_img >= IWL_UCODE_TYPE_MAX) 828162b22c9SLiad Kaufman return NULL; 8297174beb6SJohannes Berg img = &fwrt->fw->img[fwrt->cur_fw_img]; 8307174beb6SJohannes Berg sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 8317174beb6SJohannes Berg sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 8327174beb6SJohannes Berg } else { 8337174beb6SJohannes Berg sram_ofs = fwrt->trans->cfg->dccm_offset; 8347174beb6SJohannes Berg sram_len = fwrt->trans->cfg->dccm_len; 8357174beb6SJohannes Berg } 8367174beb6SJohannes Berg 8377174beb6SJohannes Berg /* reading RXF/TXF sizes */ 8387174beb6SJohannes Berg if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) { 83932b258e9SSara Sharon fifo_len = iwl_fw_rxf_len(fwrt, mem_cfg); 84032b258e9SSara Sharon fifo_len += iwl_fw_txf_len(fwrt, mem_cfg); 8417174beb6SJohannes Berg 8427174beb6SJohannes Berg /* Make room for PRPH registers */ 8437e08baebSShahar S Matityahu if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PRPH)) 8447e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &prph_len, 8457e08baebSShahar S Matityahu iwl_fw_get_prph_len); 8467174beb6SJohannes Berg 847520f03eaSShahar S Matityahu if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000 && 848e488e593SSara Sharon iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RADIO_REG)) 8497174beb6SJohannes Berg radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ; 8507174beb6SJohannes Berg } 8517174beb6SJohannes Berg 85268025d5fSSara Sharon file_len = sizeof(*dump_file) + fifo_len + prph_len + radio_len; 8537174beb6SJohannes Berg 854e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) 855520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_info); 856e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) 857520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_smem_cfg); 858520f03eaSShahar S Matityahu 859e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 86068025d5fSSara Sharon size_t hdr_len = sizeof(*dump_data) + 861da752717SShahar S Matityahu sizeof(struct iwl_fw_error_dump_mem); 8627174beb6SJohannes Berg 86368025d5fSSara Sharon /* Dump SRAM only if no mem_tlvs */ 86468025d5fSSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 86568025d5fSSara Sharon ADD_LEN(file_len, sram_len, hdr_len); 8667174beb6SJohannes Berg 86768025d5fSSara Sharon /* Make room for all mem types that exist */ 86868025d5fSSara Sharon ADD_LEN(file_len, smem_len, hdr_len); 86968025d5fSSara Sharon ADD_LEN(file_len, sram2_len, hdr_len); 87068025d5fSSara Sharon 87168025d5fSSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) 87268025d5fSSara Sharon ADD_LEN(file_len, le32_to_cpu(fw_mem[i].len), hdr_len); 873520f03eaSShahar S Matityahu } 8747174beb6SJohannes Berg 8757174beb6SJohannes Berg /* Make room for fw's virtual image pages, if it exists */ 87656b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 8777174beb6SJohannes Berg file_len += fwrt->num_of_paging_blk * 8787174beb6SJohannes Berg (sizeof(*dump_data) + 8797174beb6SJohannes Berg sizeof(struct iwl_fw_error_dump_paging) + 8807174beb6SJohannes Berg PAGING_BLOCK_SIZE); 8817174beb6SJohannes Berg 8822d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 8832d8c2615SShahar S Matityahu file_len += sizeof(*dump_data) + 8842d8c2615SShahar S Matityahu fwrt->trans->cfg->d3_debug_data_length * 2; 8852d8c2615SShahar S Matityahu } 8862d8c2615SShahar S Matityahu 8877174beb6SJohannes Berg /* If we only want a monitor dump, reset the file length */ 888124e0ebaSSara Sharon if (fwrt->dump.monitor_only) { 889ce27f005SGolan Ben-Ami file_len = sizeof(*dump_file) + sizeof(*dump_data) * 2 + 890ce27f005SGolan Ben-Ami sizeof(*dump_info) + sizeof(*dump_smem_cfg); 8917174beb6SJohannes Berg } 8927174beb6SJohannes Berg 893e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 894520f03eaSShahar S Matityahu fwrt->dump.desc) 8957174beb6SJohannes Berg file_len += sizeof(*dump_data) + sizeof(*dump_trig) + 8967174beb6SJohannes Berg fwrt->dump.desc->len; 8977174beb6SJohannes Berg 8987174beb6SJohannes Berg dump_file = vzalloc(file_len); 899a6820511SSara Sharon if (!dump_file) 900a6820511SSara Sharon return NULL; 9017174beb6SJohannes Berg 9027174beb6SJohannes Berg fw_error_dump->fwrt_ptr = dump_file; 9037174beb6SJohannes Berg 9047174beb6SJohannes Berg dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 9057174beb6SJohannes Berg dump_data = (void *)dump_file->data; 9067174beb6SJohannes Berg 907e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) { 9087174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); 9097174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_info)); 9107174beb6SJohannes Berg dump_info = (void *)dump_data->data; 9117174beb6SJohannes Berg dump_info->device_family = 912520f03eaSShahar S Matityahu fwrt->trans->cfg->device_family == 913520f03eaSShahar S Matityahu IWL_DEVICE_FAMILY_7000 ? 9147174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : 9157174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); 916520f03eaSShahar S Matityahu dump_info->hw_step = 917520f03eaSShahar S Matityahu cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev)); 9187174beb6SJohannes Berg memcpy(dump_info->fw_human_readable, fwrt->fw->human_readable, 9197174beb6SJohannes Berg sizeof(dump_info->fw_human_readable)); 9207174beb6SJohannes Berg strncpy(dump_info->dev_human_readable, fwrt->trans->cfg->name, 921520f03eaSShahar S Matityahu sizeof(dump_info->dev_human_readable) - 1); 9227174beb6SJohannes Berg strncpy(dump_info->bus_human_readable, fwrt->dev->bus->name, 923520f03eaSShahar S Matityahu sizeof(dump_info->bus_human_readable) - 1); 924d3561e0eSShahar S Matityahu dump_info->num_of_lmacs = fwrt->smem_cfg.num_lmacs; 925d3561e0eSShahar S Matityahu dump_info->lmac_err_id[0] = 926d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[0]); 927d3561e0eSShahar S Matityahu if (fwrt->smem_cfg.num_lmacs > 1) 928d3561e0eSShahar S Matityahu dump_info->lmac_err_id[1] = 929d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[1]); 930d3561e0eSShahar S Matityahu dump_info->umac_err_id = cpu_to_le32(fwrt->dump.umac_err_id); 9317174beb6SJohannes Berg 9327174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 933520f03eaSShahar S Matityahu } 934ce27f005SGolan Ben-Ami 935e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) { 936ce27f005SGolan Ben-Ami /* Dump shared memory configuration */ 937ce27f005SGolan Ben-Ami dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_CFG); 938ce27f005SGolan Ben-Ami dump_data->len = cpu_to_le32(sizeof(*dump_smem_cfg)); 939ce27f005SGolan Ben-Ami dump_smem_cfg = (void *)dump_data->data; 940ce27f005SGolan Ben-Ami dump_smem_cfg->num_lmacs = cpu_to_le32(mem_cfg->num_lmacs); 941ce27f005SGolan Ben-Ami dump_smem_cfg->num_txfifo_entries = 942ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->num_txfifo_entries); 943ce27f005SGolan Ben-Ami for (i = 0; i < MAX_NUM_LMAC; i++) { 944ce27f005SGolan Ben-Ami int j; 945520f03eaSShahar S Matityahu u32 *txf_size = mem_cfg->lmac[i].txfifo_size; 946ce27f005SGolan Ben-Ami 947ce27f005SGolan Ben-Ami for (j = 0; j < TX_FIFO_MAX_NUM; j++) 948ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].txfifo_size[j] = 949520f03eaSShahar S Matityahu cpu_to_le32(txf_size[j]); 950ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].rxfifo1_size = 951ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->lmac[i].rxfifo1_size); 952ce27f005SGolan Ben-Ami } 953520f03eaSShahar S Matityahu dump_smem_cfg->rxfifo2_size = 954520f03eaSShahar S Matityahu cpu_to_le32(mem_cfg->rxfifo2_size); 955ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_addr = 956ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_addr); 957ce27f005SGolan Ben-Ami for (i = 0; i < TX_FIFO_INTERNAL_MAX_NUM; i++) { 958ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_size[i] = 959ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_size[i]); 960ce27f005SGolan Ben-Ami } 961ce27f005SGolan Ben-Ami 962ce27f005SGolan Ben-Ami dump_data = iwl_fw_error_next_data(dump_data); 963520f03eaSShahar S Matityahu } 964ce27f005SGolan Ben-Ami 9657174beb6SJohannes Berg /* We only dump the FIFOs if the FW is in error state */ 96668025d5fSSara Sharon if (fifo_len) { 96732b258e9SSara Sharon iwl_fw_dump_rxf(fwrt, &dump_data); 96832b258e9SSara Sharon iwl_fw_dump_txf(fwrt, &dump_data); 9697174beb6SJohannes Berg if (radio_len) 9707174beb6SJohannes Berg iwl_read_radio_regs(fwrt, &dump_data); 9717174beb6SJohannes Berg } 9727174beb6SJohannes Berg 973e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 974520f03eaSShahar S Matityahu fwrt->dump.desc) { 9757174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); 9767174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_trig) + 9777174beb6SJohannes Berg fwrt->dump.desc->len); 9787174beb6SJohannes Berg dump_trig = (void *)dump_data->data; 9797174beb6SJohannes Berg memcpy(dump_trig, &fwrt->dump.desc->trig_desc, 9807174beb6SJohannes Berg sizeof(*dump_trig) + fwrt->dump.desc->len); 9817174beb6SJohannes Berg 9827174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 9837174beb6SJohannes Berg } 9847174beb6SJohannes Berg 9857174beb6SJohannes Berg /* In case we only want monitor dump, skip to dump trasport data */ 986124e0ebaSSara Sharon if (fwrt->dump.monitor_only) 987a6820511SSara Sharon goto out; 9887174beb6SJohannes Berg 989e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 9907339cc29SSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = 9917339cc29SSara Sharon fwrt->fw->dbg.mem_tlv; 992da752717SShahar S Matityahu 9937339cc29SSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 9947339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram_len, sram_ofs, 9957339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 9967339cc29SSara Sharon 9977339cc29SSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) { 9987339cc29SSara Sharon u32 len = le32_to_cpu(fw_dbg_mem[i].len); 9997339cc29SSara Sharon u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs); 10007339cc29SSara Sharon 10017339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, len, ofs, 10027339cc29SSara Sharon le32_to_cpu(fw_dbg_mem[i].data_type)); 10037339cc29SSara Sharon } 10047339cc29SSara Sharon 10057339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, smem_len, 10067339cc29SSara Sharon fwrt->trans->cfg->smem_offset, 10077339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SMEM); 10087339cc29SSara Sharon 10097339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram2_len, 10107339cc29SSara Sharon fwrt->trans->cfg->dccm2_offset, 10117339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 10127339cc29SSara Sharon } 10137174beb6SJohannes Berg 10142d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 10152d8c2615SShahar S Matityahu u32 addr = fwrt->trans->cfg->d3_debug_data_base_addr; 10162d8c2615SShahar S Matityahu size_t data_size = fwrt->trans->cfg->d3_debug_data_length; 10172d8c2615SShahar S Matityahu 10182d8c2615SShahar S Matityahu dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); 10192d8c2615SShahar S Matityahu dump_data->len = cpu_to_le32(data_size * 2); 10202d8c2615SShahar S Matityahu 1021da752717SShahar S Matityahu memcpy(dump_data->data, fwrt->dump.d3_debug_data, data_size); 10222d8c2615SShahar S Matityahu 10232d8c2615SShahar S Matityahu kfree(fwrt->dump.d3_debug_data); 10242d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = NULL; 10252d8c2615SShahar S Matityahu 10262d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr, 10272d8c2615SShahar S Matityahu dump_data->data + data_size, 10282d8c2615SShahar S Matityahu data_size); 10292d8c2615SShahar S Matityahu 10302d8c2615SShahar S Matityahu dump_data = iwl_fw_error_next_data(dump_data); 10312d8c2615SShahar S Matityahu } 10322d8c2615SShahar S Matityahu 10337174beb6SJohannes Berg /* Dump fw's virtual image */ 103456b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 103556b657f7SSara Sharon iwl_dump_paging(fwrt, &dump_data); 10367174beb6SJohannes Berg 10377e08baebSShahar S Matityahu if (prph_len) 10387e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &dump_data, iwl_dump_prph); 10397174beb6SJohannes Berg 1040a6820511SSara Sharon out: 1041a6820511SSara Sharon dump_file->file_len = cpu_to_le32(file_len); 1042a6820511SSara Sharon return dump_file; 1043a6820511SSara Sharon } 1044a6820511SSara Sharon 10458d534e96SShahar S Matityahu static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, 10468d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 10478d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10488d534e96SShahar S Matityahu int idx) 10498d534e96SShahar S Matityahu { 10508d534e96SShahar S Matityahu __le32 *val = range->data; 10518d534e96SShahar S Matityahu u32 addr, prph_val, offset = le32_to_cpu(reg->offset); 10528d534e96SShahar S Matityahu int i; 10538d534e96SShahar S Matityahu 10548d534e96SShahar S Matityahu range->start_addr = reg->start_addr[idx]; 10558d534e96SShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 10568d534e96SShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { 10578d534e96SShahar S Matityahu addr = le32_to_cpu(range->start_addr) + i; 10588d534e96SShahar S Matityahu prph_val = iwl_read_prph(fwrt->trans, addr + offset); 10598d534e96SShahar S Matityahu if (prph_val == 0x5a5a5a5a) 10608d534e96SShahar S Matityahu return -1; 10618d534e96SShahar S Matityahu *val++ = cpu_to_le32(prph_val); 10628d534e96SShahar S Matityahu } 10638d534e96SShahar S Matityahu return le32_to_cpu(range->range_data_size); 10648d534e96SShahar S Matityahu } 10658d534e96SShahar S Matityahu 1066f4f907aaSShahar S Matityahu static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, 1067f4f907aaSShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 1068f4f907aaSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 1069f4f907aaSShahar S Matityahu int idx) 1070f4f907aaSShahar S Matityahu { 1071f4f907aaSShahar S Matityahu __le32 *val = range->data; 1072f4f907aaSShahar S Matityahu u32 addr, offset = le32_to_cpu(reg->offset); 1073f4f907aaSShahar S Matityahu int i; 1074f4f907aaSShahar S Matityahu 1075f4f907aaSShahar S Matityahu range->start_addr = reg->start_addr[idx]; 1076f4f907aaSShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 1077f4f907aaSShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { 1078f4f907aaSShahar S Matityahu addr = le32_to_cpu(range->start_addr) + i; 1079f4f907aaSShahar S Matityahu *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, 1080f4f907aaSShahar S Matityahu addr + offset)); 1081f4f907aaSShahar S Matityahu } 1082f4f907aaSShahar S Matityahu return le32_to_cpu(range->range_data_size); 1083f4f907aaSShahar S Matityahu } 1084f4f907aaSShahar S Matityahu 10856e9f8f99SShahar S Matityahu static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, 10866e9f8f99SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 10876e9f8f99SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10886e9f8f99SShahar S Matityahu int idx) 10896e9f8f99SShahar S Matityahu { 10906e9f8f99SShahar S Matityahu u32 addr = le32_to_cpu(range->start_addr); 10916e9f8f99SShahar S Matityahu u32 offset = le32_to_cpu(reg->offset); 10926e9f8f99SShahar S Matityahu 10936e9f8f99SShahar S Matityahu range->start_addr = reg->start_addr[idx]; 10946e9f8f99SShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 10956e9f8f99SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr + offset, range->data, 10966e9f8f99SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size)); 10976e9f8f99SShahar S Matityahu return le32_to_cpu(range->range_data_size); 10986e9f8f99SShahar S Matityahu } 10996e9f8f99SShahar S Matityahu 1100505a00c0SShahar S Matityahu static int 1101505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_iter(struct iwl_fw_runtime *fwrt, 1102505a00c0SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 1103505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 1104505a00c0SShahar S Matityahu int idx) 1105505a00c0SShahar S Matityahu { 1106505a00c0SShahar S Matityahu u32 page_size = fwrt->trans->init_dram.paging[idx].size; 1107505a00c0SShahar S Matityahu 1108505a00c0SShahar S Matityahu range->start_addr = cpu_to_le32(idx); 1109505a00c0SShahar S Matityahu range->range_data_size = cpu_to_le32(page_size); 1110505a00c0SShahar S Matityahu memcpy(range->data, fwrt->trans->init_dram.paging[idx].block, 1111505a00c0SShahar S Matityahu page_size); 1112505a00c0SShahar S Matityahu return le32_to_cpu(range->range_data_size); 1113505a00c0SShahar S Matityahu } 1114505a00c0SShahar S Matityahu 1115505a00c0SShahar S Matityahu static int iwl_dump_ini_paging_iter(struct iwl_fw_runtime *fwrt, 1116505a00c0SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 1117505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 1118505a00c0SShahar S Matityahu int idx) 1119505a00c0SShahar S Matityahu { 1120505a00c0SShahar S Matityahu /* increase idx by 1 since the pages are from 1 to 1121505a00c0SShahar S Matityahu * fwrt->num_of_paging_blk + 1 1122505a00c0SShahar S Matityahu */ 1123505a00c0SShahar S Matityahu struct page *page = fwrt->fw_paging_db[++idx].fw_paging_block; 1124505a00c0SShahar S Matityahu dma_addr_t addr = fwrt->fw_paging_db[idx].fw_paging_phys; 1125505a00c0SShahar S Matityahu u32 page_size = fwrt->fw_paging_db[idx].fw_paging_size; 1126505a00c0SShahar S Matityahu 1127505a00c0SShahar S Matityahu range->start_addr = cpu_to_le32(idx); 1128505a00c0SShahar S Matityahu range->range_data_size = cpu_to_le32(page_size); 1129505a00c0SShahar S Matityahu dma_sync_single_for_cpu(fwrt->trans->dev, addr, page_size, 1130505a00c0SShahar S Matityahu DMA_BIDIRECTIONAL); 1131505a00c0SShahar S Matityahu memcpy(range->data, page_address(page), page_size); 1132505a00c0SShahar S Matityahu dma_sync_single_for_device(fwrt->trans->dev, addr, page_size, 1133505a00c0SShahar S Matityahu DMA_BIDIRECTIONAL); 1134505a00c0SShahar S Matityahu return le32_to_cpu(range->range_data_size); 1135505a00c0SShahar S Matityahu } 1136505a00c0SShahar S Matityahu 1137106b791aSShahar S Matityahu static int 1138106b791aSShahar S Matityahu iwl_dump_ini_mon_dram_iter(struct iwl_fw_runtime *fwrt, 1139106b791aSShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 1140106b791aSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 1141106b791aSShahar S Matityahu int idx) 1142106b791aSShahar S Matityahu { 1143106b791aSShahar S Matityahu u32 start_addr = iwl_read_prph(fwrt->trans, MON_BUFF_BASE_ADDR_VER2); 1144106b791aSShahar S Matityahu 1145106b791aSShahar S Matityahu if (start_addr == 0x5a5a5a5a) 1146106b791aSShahar S Matityahu return -1; 1147106b791aSShahar S Matityahu 1148106b791aSShahar S Matityahu range->start_addr = cpu_to_le32(start_addr); 1149106b791aSShahar S Matityahu range->range_data_size = cpu_to_le32(fwrt->trans->fw_mon[idx].size); 1150106b791aSShahar S Matityahu 1151106b791aSShahar S Matityahu memcpy(range->data, fwrt->trans->fw_mon[idx].block, 1152106b791aSShahar S Matityahu fwrt->trans->fw_mon[idx].size); 1153106b791aSShahar S Matityahu 1154106b791aSShahar S Matityahu return le32_to_cpu(range->range_data_size); 1155106b791aSShahar S Matityahu } 1156106b791aSShahar S Matityahu 11578d534e96SShahar S Matityahu static struct iwl_fw_ini_error_dump_range 11588d534e96SShahar S Matityahu *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, void *data) 11598d534e96SShahar S Matityahu { 11608d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump *dump = data; 11618d534e96SShahar S Matityahu 11628d534e96SShahar S Matityahu return dump->ranges; 11638d534e96SShahar S Matityahu } 11648d534e96SShahar S Matityahu 1165106b791aSShahar S Matityahu static struct iwl_fw_ini_error_dump_range 1166106b791aSShahar S Matityahu *iwl_dump_ini_mon_dram_fill_header(struct iwl_fw_runtime *fwrt, void *data) 1167106b791aSShahar S Matityahu { 1168106b791aSShahar S Matityahu struct iwl_fw_ini_monitor_dram_dump *mon_dump = (void *)data; 1169106b791aSShahar S Matityahu u32 write_ptr, cycle_cnt; 1170106b791aSShahar S Matityahu unsigned long flags; 1171106b791aSShahar S Matityahu 1172106b791aSShahar S Matityahu if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) { 1173106b791aSShahar S Matityahu IWL_ERR(fwrt, "Failed to get DRAM monitor header\n"); 1174106b791aSShahar S Matityahu return NULL; 1175106b791aSShahar S Matityahu } 1176106b791aSShahar S Matityahu write_ptr = iwl_read_prph_no_grab(fwrt->trans, MON_BUFF_WRPTR_VER2); 1177106b791aSShahar S Matityahu cycle_cnt = iwl_read_prph_no_grab(fwrt->trans, MON_BUFF_CYCLE_CNT_VER2); 1178106b791aSShahar S Matityahu iwl_trans_release_nic_access(fwrt->trans, &flags); 1179106b791aSShahar S Matityahu 1180106b791aSShahar S Matityahu mon_dump->write_ptr = cpu_to_le32(write_ptr); 1181106b791aSShahar S Matityahu mon_dump->cycle_cnt = cpu_to_le32(cycle_cnt); 1182106b791aSShahar S Matityahu 1183106b791aSShahar S Matityahu return mon_dump->ranges; 1184106b791aSShahar S Matityahu } 1185106b791aSShahar S Matityahu 11868d534e96SShahar S Matityahu static u32 iwl_dump_ini_mem_get_size(struct iwl_fw_runtime *fwrt, 11878d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 11888d534e96SShahar S Matityahu { 11898d534e96SShahar S Matityahu return le32_to_cpu(reg->internal.num_of_ranges) * 11908d534e96SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size); 11918d534e96SShahar S Matityahu } 11928d534e96SShahar S Matityahu 1193505a00c0SShahar S Matityahu static u32 iwl_dump_ini_paging_gen2_get_size(struct iwl_fw_runtime *fwrt, 1194505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1195505a00c0SShahar S Matityahu { 1196505a00c0SShahar S Matityahu int i; 1197505a00c0SShahar S Matityahu u32 size = 0; 1198505a00c0SShahar S Matityahu 1199505a00c0SShahar S Matityahu for (i = 0; i < fwrt->trans->init_dram.paging_cnt; i++) 1200505a00c0SShahar S Matityahu size += fwrt->trans->init_dram.paging[i].size; 1201505a00c0SShahar S Matityahu return size; 1202505a00c0SShahar S Matityahu } 1203505a00c0SShahar S Matityahu 1204505a00c0SShahar S Matityahu static u32 iwl_dump_ini_paging_get_size(struct iwl_fw_runtime *fwrt, 1205505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1206505a00c0SShahar S Matityahu { 1207505a00c0SShahar S Matityahu int i; 1208505a00c0SShahar S Matityahu u32 size = 0; 1209505a00c0SShahar S Matityahu 1210505a00c0SShahar S Matityahu for (i = 1; i <= fwrt->num_of_paging_blk; i++) 1211505a00c0SShahar S Matityahu size += fwrt->fw_paging_db[i].fw_paging_size; 1212505a00c0SShahar S Matityahu return size; 1213505a00c0SShahar S Matityahu } 1214505a00c0SShahar S Matityahu 1215106b791aSShahar S Matityahu static u32 iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt, 1216106b791aSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1217106b791aSShahar S Matityahu { 1218106b791aSShahar S Matityahu return fwrt->trans->num_blocks ? fwrt->trans->fw_mon[0].size : 0; 1219106b791aSShahar S Matityahu } 1220106b791aSShahar S Matityahu 12218d534e96SShahar S Matityahu static u32 iwl_dump_ini_mem_ranges(struct iwl_fw_runtime *fwrt, 12228d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 12238d534e96SShahar S Matityahu { 12248d534e96SShahar S Matityahu return le32_to_cpu(reg->internal.num_of_ranges); 12258d534e96SShahar S Matityahu } 12268d534e96SShahar S Matityahu 1227505a00c0SShahar S Matityahu static u32 iwl_dump_ini_paging_gen2_ranges(struct iwl_fw_runtime *fwrt, 1228505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1229505a00c0SShahar S Matityahu { 1230505a00c0SShahar S Matityahu return fwrt->trans->init_dram.paging_cnt; 1231505a00c0SShahar S Matityahu } 1232505a00c0SShahar S Matityahu 1233505a00c0SShahar S Matityahu static u32 iwl_dump_ini_paging_ranges(struct iwl_fw_runtime *fwrt, 1234505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1235505a00c0SShahar S Matityahu { 1236505a00c0SShahar S Matityahu return fwrt->num_of_paging_blk; 1237505a00c0SShahar S Matityahu } 1238505a00c0SShahar S Matityahu 1239106b791aSShahar S Matityahu static u32 iwl_dump_ini_mon_dram_ranges(struct iwl_fw_runtime *fwrt, 1240106b791aSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1241106b791aSShahar S Matityahu { 1242106b791aSShahar S Matityahu return 1; 1243106b791aSShahar S Matityahu } 1244106b791aSShahar S Matityahu 12458d534e96SShahar S Matityahu /** 12468d534e96SShahar S Matityahu * struct iwl_dump_ini_mem_ops - ini memory dump operations 12478d534e96SShahar S Matityahu * @get_num_of_ranges: returns the number of memory ranges in the region. 12488d534e96SShahar S Matityahu * @get_size: returns the size of the region data without headers. 12498d534e96SShahar S Matityahu * @fill_mem_hdr: fills region type specific headers and returns the first 12508d534e96SShahar S Matityahu * range or NULL if failed to fill headers. 12518d534e96SShahar S Matityahu * @fill_range: copies a given memory range into the dump. 12528d534e96SShahar S Matityahu * Returns the size of the range or -1 otherwise. 12538d534e96SShahar S Matityahu */ 12548d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops { 12558d534e96SShahar S Matityahu u32 (*get_num_of_ranges)(struct iwl_fw_runtime *fwrt, 12568d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg); 12578d534e96SShahar S Matityahu u32 (*get_size)(struct iwl_fw_runtime *fwrt, 12588d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg); 12598d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range * 12608d534e96SShahar S Matityahu (*fill_mem_hdr)(struct iwl_fw_runtime *fwrt, void *data); 12618d534e96SShahar S Matityahu int (*fill_range)(struct iwl_fw_runtime *fwrt, 12628d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range, 12638d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, int idx); 12648d534e96SShahar S Matityahu }; 12658d534e96SShahar S Matityahu 12668d534e96SShahar S Matityahu /** 12678d534e96SShahar S Matityahu * iwl_dump_ini_mem - copy a memory region into the dump 12688d534e96SShahar S Matityahu * @fwrt: fw runtime struct. 12698d534e96SShahar S Matityahu * @data: dump memory data. 12708d534e96SShahar S Matityahu * @reg: region to copy to the dump. 12718d534e96SShahar S Matityahu */ 12728d534e96SShahar S Matityahu static void 12738d534e96SShahar S Matityahu iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, 12748d534e96SShahar S Matityahu enum iwl_fw_ini_region_type type, 12758d534e96SShahar S Matityahu struct iwl_fw_error_dump_data **data, 12768d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 12778d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops *ops) 12788d534e96SShahar S Matityahu { 12798d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_header *header = (void *)(*data)->data; 12808d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range; 12818d534e96SShahar S Matityahu u32 num_of_ranges, i; 12828d534e96SShahar S Matityahu 12838d534e96SShahar S Matityahu if (WARN_ON(!ops || !ops->get_num_of_ranges || !ops->get_size || 12848d534e96SShahar S Matityahu !ops->fill_mem_hdr || !ops->fill_range)) 12858d534e96SShahar S Matityahu return; 12868d534e96SShahar S Matityahu 12878d534e96SShahar S Matityahu num_of_ranges = ops->get_num_of_ranges(fwrt, reg); 12888d534e96SShahar S Matityahu 12898d534e96SShahar S Matityahu (*data)->type = cpu_to_le32(type | INI_DUMP_BIT); 12908d534e96SShahar S Matityahu (*data)->len = cpu_to_le32(sizeof(*header) + num_of_ranges * 12918d534e96SShahar S Matityahu sizeof(*range) + ops->get_size(fwrt, reg)); 12928d534e96SShahar S Matityahu 12938d534e96SShahar S Matityahu header->num_of_ranges = cpu_to_le32(num_of_ranges); 12948d534e96SShahar S Matityahu header->name_len = cpu_to_le32(min_t(int, IWL_FW_INI_MAX_NAME, 12958d534e96SShahar S Matityahu le32_to_cpu(reg->name_len))); 12968d534e96SShahar S Matityahu memcpy(header->name, reg->name, le32_to_cpu(header->name_len)); 12978d534e96SShahar S Matityahu 12988d534e96SShahar S Matityahu range = ops->fill_mem_hdr(fwrt, header); 12998d534e96SShahar S Matityahu if (!range) 13008d534e96SShahar S Matityahu return; 13018d534e96SShahar S Matityahu 13028d534e96SShahar S Matityahu for (i = 0; i < num_of_ranges; i++) { 13038d534e96SShahar S Matityahu int range_data_size = ops->fill_range(fwrt, range, reg, i); 13048d534e96SShahar S Matityahu 13058d534e96SShahar S Matityahu if (range_data_size < 0) { 13068d534e96SShahar S Matityahu IWL_ERR(fwrt, "Failed to dump region type %d\n", type); 13078d534e96SShahar S Matityahu return; 13088d534e96SShahar S Matityahu } 13098d534e96SShahar S Matityahu range = ((void *)range) + sizeof(*range) + range_data_size; 13108d534e96SShahar S Matityahu } 13118d534e96SShahar S Matityahu *data = iwl_fw_error_next_data(*data); 13128d534e96SShahar S Matityahu } 13138d534e96SShahar S Matityahu 13147a14c23dSSara Sharon static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, 13157a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger) 13167a14c23dSSara Sharon { 13178d534e96SShahar S Matityahu int i, size = 0, hdr_len = sizeof(struct iwl_fw_error_dump_data); 13188d534e96SShahar S Matityahu u32 dump_header_len = sizeof(struct iwl_fw_ini_error_dump); 13198d534e96SShahar S Matityahu u32 range_header_len = sizeof(struct iwl_fw_ini_error_dump_range); 13207a14c23dSSara Sharon 13217a14c23dSSara Sharon if (!trigger || !trigger->num_regions) 13227a14c23dSSara Sharon return 0; 13237a14c23dSSara Sharon 13248d534e96SShahar S Matityahu for (i = 0; i < le32_to_cpu(trigger->num_regions); i++) { 13257a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 13267a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 13277a14c23dSSara Sharon enum iwl_fw_ini_region_type type; 13287a14c23dSSara Sharon 13297a14c23dSSara Sharon if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) 13307a14c23dSSara Sharon continue; 13317a14c23dSSara Sharon 13320ec7bfb2SShahar S Matityahu reg = fwrt->dump.active_regs[reg_id]; 13337a14c23dSSara Sharon if (WARN(!reg, "Unassigned region %d\n", reg_id)) 13347a14c23dSSara Sharon continue; 13357a14c23dSSara Sharon 13367a14c23dSSara Sharon type = le32_to_cpu(reg->region_type); 13377a14c23dSSara Sharon switch (type) { 13387a14c23dSSara Sharon case IWL_FW_INI_REGION_DEVICE_MEMORY: 13397a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_MAC: 13407a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_PHY: 13417a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_AUX: 1342e41e2c26SShahar S Matityahu case IWL_FW_INI_REGION_INTERNAL_BUFFER: 1343f4f907aaSShahar S Matityahu case IWL_FW_INI_REGION_CSR: 13448d534e96SShahar S Matityahu size += hdr_len + dump_header_len + range_header_len * 13458d534e96SShahar S Matityahu iwl_dump_ini_mem_ranges(fwrt, reg) + 13468d534e96SShahar S Matityahu iwl_dump_ini_mem_get_size(fwrt, reg); 13477a14c23dSSara Sharon break; 13487a14c23dSSara Sharon case IWL_FW_INI_REGION_TXF: 13497a14c23dSSara Sharon size += iwl_fw_txf_len(fwrt, &fwrt->smem_cfg); 13507a14c23dSSara Sharon break; 13517a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 13527a14c23dSSara Sharon size += iwl_fw_rxf_len(fwrt, &fwrt->smem_cfg); 13537a14c23dSSara Sharon break; 1354505a00c0SShahar S Matityahu case IWL_FW_INI_REGION_PAGING: { 1355505a00c0SShahar S Matityahu size += hdr_len + dump_header_len; 1356505a00c0SShahar S Matityahu if (iwl_fw_dbg_is_paging_enabled(fwrt)) { 1357505a00c0SShahar S Matityahu size += range_header_len * 1358505a00c0SShahar S Matityahu iwl_dump_ini_paging_ranges(fwrt, reg) + 1359505a00c0SShahar S Matityahu iwl_dump_ini_paging_get_size(fwrt, reg); 1360505a00c0SShahar S Matityahu } else { 1361505a00c0SShahar S Matityahu size += range_header_len * 1362505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_ranges(fwrt, 1363505a00c0SShahar S Matityahu reg) + 1364505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_get_size(fwrt, 1365505a00c0SShahar S Matityahu reg); 1366505a00c0SShahar S Matityahu } 13677a14c23dSSara Sharon break; 1368505a00c0SShahar S Matityahu } 13697a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 1370106b791aSShahar S Matityahu if (!fwrt->trans->num_blocks) 1371106b791aSShahar S Matityahu break; 1372106b791aSShahar S Matityahu size += hdr_len + 1373106b791aSShahar S Matityahu sizeof(struct iwl_fw_ini_monitor_dram_dump) * 1374106b791aSShahar S Matityahu iwl_dump_ini_mon_dram_ranges(fwrt, reg) + 1375106b791aSShahar S Matityahu iwl_dump_ini_mon_dram_get_size(fwrt, reg); 1376106b791aSShahar S Matityahu break; 13777a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 13787a14c23dSSara Sharon /* Undefined yet */ 13797a14c23dSSara Sharon default: 13807a14c23dSSara Sharon break; 13817a14c23dSSara Sharon } 13827a14c23dSSara Sharon } 13837a14c23dSSara Sharon return size; 13847a14c23dSSara Sharon } 13857a14c23dSSara Sharon 13867a14c23dSSara Sharon static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, 13877a14c23dSSara Sharon struct iwl_fw_ini_trigger *trigger, 1388106b791aSShahar S Matityahu struct iwl_fw_error_dump_data **data) 13897a14c23dSSara Sharon { 13907a14c23dSSara Sharon int i, num = le32_to_cpu(trigger->num_regions); 13917a14c23dSSara Sharon 13927a14c23dSSara Sharon for (i = 0; i < num; i++) { 13937a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 13947a14c23dSSara Sharon enum iwl_fw_ini_region_type type; 13957a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 13968d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops ops; 13977a14c23dSSara Sharon 13987a14c23dSSara Sharon if (reg_id >= ARRAY_SIZE(fwrt->dump.active_regs)) 13997a14c23dSSara Sharon continue; 14007a14c23dSSara Sharon 14010ec7bfb2SShahar S Matityahu reg = fwrt->dump.active_regs[reg_id]; 14027a14c23dSSara Sharon /* Don't warn, get_trigger_len already warned */ 14037a14c23dSSara Sharon if (!reg) 14047a14c23dSSara Sharon continue; 14057a14c23dSSara Sharon 14067a14c23dSSara Sharon type = le32_to_cpu(reg->region_type); 14077a14c23dSSara Sharon switch (type) { 14086e9f8f99SShahar S Matityahu case IWL_FW_INI_REGION_DEVICE_MEMORY: 1409e41e2c26SShahar S Matityahu case IWL_FW_INI_REGION_INTERNAL_BUFFER: 14106e9f8f99SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 14116e9f8f99SShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 14126e9f8f99SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 14136e9f8f99SShahar S Matityahu ops.fill_range = iwl_dump_ini_dev_mem_iter; 14146e9f8f99SShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 14157a14c23dSSara Sharon break; 14167a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_MAC: 14177a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_PHY: 14187a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_AUX: 14198d534e96SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 14208d534e96SShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 14218d534e96SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 14228d534e96SShahar S Matityahu ops.fill_range = iwl_dump_ini_prph_iter; 14238d534e96SShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 14247a14c23dSSara Sharon break; 14257a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 1426106b791aSShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mon_dram_ranges; 1427106b791aSShahar S Matityahu ops.get_size = iwl_dump_ini_mon_dram_get_size; 1428106b791aSShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mon_dram_fill_header; 1429106b791aSShahar S Matityahu ops.fill_range = iwl_dump_ini_mon_dram_iter; 1430106b791aSShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 14317a14c23dSSara Sharon break; 1432505a00c0SShahar S Matityahu case IWL_FW_INI_REGION_PAGING: { 1433505a00c0SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 1434505a00c0SShahar S Matityahu if (iwl_fw_dbg_is_paging_enabled(fwrt)) { 1435505a00c0SShahar S Matityahu ops.get_num_of_ranges = 1436505a00c0SShahar S Matityahu iwl_dump_ini_paging_ranges; 1437505a00c0SShahar S Matityahu ops.get_size = iwl_dump_ini_paging_get_size; 1438505a00c0SShahar S Matityahu ops.fill_range = iwl_dump_ini_paging_iter; 1439505a00c0SShahar S Matityahu } else { 1440505a00c0SShahar S Matityahu ops.get_num_of_ranges = 1441505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_ranges; 1442505a00c0SShahar S Matityahu ops.get_size = 1443505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_get_size; 1444505a00c0SShahar S Matityahu ops.fill_range = iwl_dump_ini_paging_gen2_iter; 1445505a00c0SShahar S Matityahu } 1446505a00c0SShahar S Matityahu 1447505a00c0SShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 14487a14c23dSSara Sharon break; 1449505a00c0SShahar S Matityahu } 14507a14c23dSSara Sharon case IWL_FW_INI_REGION_TXF: 14517a14c23dSSara Sharon iwl_fw_dump_txf(fwrt, data); 14527a14c23dSSara Sharon break; 14537a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 14547a14c23dSSara Sharon iwl_fw_dump_rxf(fwrt, data); 14557a14c23dSSara Sharon break; 14567a14c23dSSara Sharon case IWL_FW_INI_REGION_CSR: 1457f4f907aaSShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 1458f4f907aaSShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 1459f4f907aaSShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 1460f4f907aaSShahar S Matityahu ops.fill_range = iwl_dump_ini_csr_iter; 1461f4f907aaSShahar S Matityahu iwl_dump_ini_mem(fwrt, type, data, reg, &ops); 14627a14c23dSSara Sharon break; 14637a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 14647a14c23dSSara Sharon /* This is undefined yet */ 14657a14c23dSSara Sharon default: 14667a14c23dSSara Sharon break; 14677a14c23dSSara Sharon } 14687a14c23dSSara Sharon } 14697a14c23dSSara Sharon } 14707a14c23dSSara Sharon 14717a14c23dSSara Sharon static struct iwl_fw_error_dump_file * 14727a14c23dSSara Sharon _iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, 1473106b791aSShahar S Matityahu struct iwl_fw_dump_ptrs *fw_error_dump) 14747a14c23dSSara Sharon { 14757a14c23dSSara Sharon int size, id = le32_to_cpu(fwrt->dump.desc->trig_desc.type); 14767a14c23dSSara Sharon struct iwl_fw_error_dump_data *dump_data; 14777a14c23dSSara Sharon struct iwl_fw_error_dump_file *dump_file; 1478b61a6610SShahar S Matityahu struct iwl_fw_ini_trigger *trigger; 14797a14c23dSSara Sharon 14807a14c23dSSara Sharon if (id == FW_DBG_TRIGGER_FW_ASSERT) 14817a14c23dSSara Sharon id = IWL_FW_TRIGGER_ID_FW_ASSERT; 14827a14c23dSSara Sharon 1483b61a6610SShahar S Matityahu if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs)) || 1484b61a6610SShahar S Matityahu !fwrt->dump.active_trigs[id].active) 14857a14c23dSSara Sharon return NULL; 14867a14c23dSSara Sharon 1487b61a6610SShahar S Matityahu trigger = fwrt->dump.active_trigs[id].trig; 14887a14c23dSSara Sharon 14897a14c23dSSara Sharon size = sizeof(*dump_file); 14907a14c23dSSara Sharon size += iwl_fw_ini_get_trigger_len(fwrt, trigger); 14917a14c23dSSara Sharon 14927a14c23dSSara Sharon if (!size) 14937a14c23dSSara Sharon return NULL; 14947a14c23dSSara Sharon 14957a14c23dSSara Sharon dump_file = vzalloc(size); 14967a14c23dSSara Sharon if (!dump_file) 14977a14c23dSSara Sharon return NULL; 14987a14c23dSSara Sharon 14997a14c23dSSara Sharon fw_error_dump->fwrt_ptr = dump_file; 15007a14c23dSSara Sharon 15017a14c23dSSara Sharon dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 15027a14c23dSSara Sharon dump_data = (void *)dump_file->data; 15037a14c23dSSara Sharon dump_file->file_len = cpu_to_le32(size); 15047a14c23dSSara Sharon 1505106b791aSShahar S Matityahu iwl_fw_ini_dump_trigger(fwrt, trigger, &dump_data); 15067a14c23dSSara Sharon 15077a14c23dSSara Sharon return dump_file; 15087a14c23dSSara Sharon } 15097a14c23dSSara Sharon 1510a6820511SSara Sharon void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt) 1511a6820511SSara Sharon { 1512a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump; 1513a6820511SSara Sharon struct iwl_fw_error_dump_file *dump_file; 1514a6820511SSara Sharon struct scatterlist *sg_dump_data; 1515a6820511SSara Sharon u32 file_len; 151679f033f6SSara Sharon u32 dump_mask = fwrt->fw->dbg.dump_mask; 1517a6820511SSara Sharon 1518a6820511SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT dump start\n"); 1519a6820511SSara Sharon 1520a6820511SSara Sharon /* there's no point in fw dump if the bus is dead */ 1521a6820511SSara Sharon if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) { 1522a6820511SSara Sharon IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n"); 1523a6820511SSara Sharon goto out; 1524a6820511SSara Sharon } 1525a6820511SSara Sharon 1526a6820511SSara Sharon fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); 1527a6820511SSara Sharon if (!fw_error_dump) 1528a6820511SSara Sharon goto out; 1529a6820511SSara Sharon 15307a14c23dSSara Sharon if (fwrt->trans->ini_valid) 1531106b791aSShahar S Matityahu dump_file = _iwl_fw_error_ini_dump(fwrt, fw_error_dump); 15327a14c23dSSara Sharon else 1533a6820511SSara Sharon dump_file = _iwl_fw_error_dump(fwrt, fw_error_dump); 15347a14c23dSSara Sharon 1535a6820511SSara Sharon if (!dump_file) { 1536a6820511SSara Sharon kfree(fw_error_dump); 1537a6820511SSara Sharon goto out; 1538a6820511SSara Sharon } 1539a6820511SSara Sharon 15407a14c23dSSara Sharon if (!fwrt->trans->ini_valid && fwrt->dump.monitor_only) 154179f033f6SSara Sharon dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR; 154279f033f6SSara Sharon 1543106b791aSShahar S Matityahu if (!fwrt->trans->ini_valid) 1544106b791aSShahar S Matityahu fw_error_dump->trans_ptr = 1545106b791aSShahar S Matityahu iwl_trans_dump_data(fwrt->trans, dump_mask); 1546106b791aSShahar S Matityahu 1547a6820511SSara Sharon file_len = le32_to_cpu(dump_file->file_len); 15487174beb6SJohannes Berg fw_error_dump->fwrt_len = file_len; 1549a6820511SSara Sharon if (fw_error_dump->trans_ptr) { 15507174beb6SJohannes Berg file_len += fw_error_dump->trans_ptr->len; 15517174beb6SJohannes Berg dump_file->file_len = cpu_to_le32(file_len); 1552a6820511SSara Sharon } 15537174beb6SJohannes Berg 15547174beb6SJohannes Berg sg_dump_data = alloc_sgtable(file_len); 15557174beb6SJohannes Berg if (sg_dump_data) { 15567174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 15577174beb6SJohannes Berg sg_nents(sg_dump_data), 15587174beb6SJohannes Berg fw_error_dump->fwrt_ptr, 15597174beb6SJohannes Berg fw_error_dump->fwrt_len, 0); 15607174beb6SJohannes Berg if (fw_error_dump->trans_ptr) 15617174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 15627174beb6SJohannes Berg sg_nents(sg_dump_data), 15637174beb6SJohannes Berg fw_error_dump->trans_ptr->data, 15647174beb6SJohannes Berg fw_error_dump->trans_ptr->len, 15657174beb6SJohannes Berg fw_error_dump->fwrt_len); 15667174beb6SJohannes Berg dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, 15677174beb6SJohannes Berg GFP_KERNEL); 15687174beb6SJohannes Berg } 15697174beb6SJohannes Berg vfree(fw_error_dump->fwrt_ptr); 15707174beb6SJohannes Berg vfree(fw_error_dump->trans_ptr); 15717174beb6SJohannes Berg kfree(fw_error_dump); 15727174beb6SJohannes Berg 15737174beb6SJohannes Berg out: 15747174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 15757174beb6SJohannes Berg clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); 1576b88beaf9SIlan Peer IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); 15777174beb6SJohannes Berg } 15787174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_error_dump); 15797174beb6SJohannes Berg 15807174beb6SJohannes Berg const struct iwl_fw_dump_desc iwl_dump_desc_assert = { 15817174beb6SJohannes Berg .trig_desc = { 15827174beb6SJohannes Berg .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), 15837174beb6SJohannes Berg }, 15847174beb6SJohannes Berg }; 15857174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_dump_desc_assert); 15867174beb6SJohannes Berg 15877174beb6SJohannes Berg int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, 1588124e0ebaSSara Sharon const struct iwl_fw_dump_desc *desc, 1589124e0ebaSSara Sharon bool monitor_only, 1590ea7cb829SSara Sharon unsigned int delay) 15917174beb6SJohannes Berg { 1592dfd4b08cSLiad Kaufman /* 1593dfd4b08cSLiad Kaufman * If the loading of the FW completed successfully, the next step is to 1594dfd4b08cSLiad Kaufman * get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non 1595dfd4b08cSLiad Kaufman * zero, the FW was already loaded successully. If the state is "NO_FW" 159684f26025SJohannes Berg * in such a case - exit, since FW may be dead. Otherwise, we 1597dfd4b08cSLiad Kaufman * can try to collect the data, since FW might just not be fully 1598dfd4b08cSLiad Kaufman * loaded (no "ALIVE" yet), and the debug data is accessible. 1599dfd4b08cSLiad Kaufman * 1600dfd4b08cSLiad Kaufman * Corner case: got the FW alive but crashed before getting the SMEM 1601dfd4b08cSLiad Kaufman * config. In such a case, due to HW access problems, we might 1602dfd4b08cSLiad Kaufman * collect garbage. 1603dfd4b08cSLiad Kaufman */ 160484f26025SJohannes Berg if (fwrt->trans->state == IWL_TRANS_NO_FW && 160584f26025SJohannes Berg fwrt->smem_cfg.num_lmacs) 16067174beb6SJohannes Berg return -EIO; 16077174beb6SJohannes Berg 160867b8261cSShahar S Matityahu if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) 16097174beb6SJohannes Berg return -EBUSY; 16107174beb6SJohannes Berg 16117174beb6SJohannes Berg if (WARN_ON(fwrt->dump.desc)) 16127174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 16137174beb6SJohannes Berg 16147174beb6SJohannes Berg IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", 16157174beb6SJohannes Berg le32_to_cpu(desc->trig_desc.type)); 16167174beb6SJohannes Berg 16177174beb6SJohannes Berg fwrt->dump.desc = desc; 1618124e0ebaSSara Sharon fwrt->dump.monitor_only = monitor_only; 16197174beb6SJohannes Berg 16207174beb6SJohannes Berg schedule_delayed_work(&fwrt->dump.wk, delay); 16217174beb6SJohannes Berg 16227174beb6SJohannes Berg return 0; 16237174beb6SJohannes Berg } 16247174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc); 16257174beb6SJohannes Berg 1626700b3799SShahar S Matityahu int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, 1627700b3799SShahar S Matityahu enum iwl_fw_dbg_trigger trig_type) 1628700b3799SShahar S Matityahu { 1629700b3799SShahar S Matityahu int ret; 1630700b3799SShahar S Matityahu struct iwl_fw_dump_desc *iwl_dump_error_desc = 1631700b3799SShahar S Matityahu kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL); 1632700b3799SShahar S Matityahu 1633700b3799SShahar S Matityahu if (!iwl_dump_error_desc) 1634700b3799SShahar S Matityahu return -ENOMEM; 1635700b3799SShahar S Matityahu 1636700b3799SShahar S Matityahu iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type); 1637700b3799SShahar S Matityahu iwl_dump_error_desc->len = 0; 1638700b3799SShahar S Matityahu 1639700b3799SShahar S Matityahu ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0); 1640700b3799SShahar S Matityahu if (ret) { 1641700b3799SShahar S Matityahu kfree(iwl_dump_error_desc); 1642700b3799SShahar S Matityahu } else { 1643700b3799SShahar S Matityahu set_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status); 1644700b3799SShahar S Matityahu 1645700b3799SShahar S Matityahu /* trigger nmi to halt the fw */ 1646700b3799SShahar S Matityahu iwl_force_nmi(fwrt->trans); 1647700b3799SShahar S Matityahu } 1648700b3799SShahar S Matityahu 1649700b3799SShahar S Matityahu return ret; 1650700b3799SShahar S Matityahu } 1651700b3799SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_error_collect); 1652700b3799SShahar S Matityahu 1653fe1b7d6cSSara Sharon int _iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 16547174beb6SJohannes Berg enum iwl_fw_dbg_trigger trig, 16557174beb6SJohannes Berg const char *str, size_t len, 1656af303252SSara Sharon struct iwl_fw_dbg_trigger_tlv *trigger) 16577174beb6SJohannes Berg { 16587174beb6SJohannes Berg struct iwl_fw_dump_desc *desc; 1659ea7cb829SSara Sharon unsigned int delay = 0; 1660124e0ebaSSara Sharon bool monitor_only = false; 16617174beb6SJohannes Berg 1662ea7cb829SSara Sharon if (trigger) { 1663ea7cb829SSara Sharon u16 occurrences = le16_to_cpu(trigger->occurrences) - 1; 1664ea7cb829SSara Sharon 1665ea7cb829SSara Sharon if (!le16_to_cpu(trigger->occurrences)) 1666af303252SSara Sharon return 0; 1667af303252SSara Sharon 1668ea7cb829SSara Sharon if (trigger->flags & IWL_FW_DBG_FORCE_RESTART) { 1669ea7cb829SSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", 1670ea7cb829SSara Sharon trig); 1671378c8931SShahar S Matityahu iwl_force_nmi(fwrt->trans); 1672378c8931SShahar S Matityahu return 0; 1673378c8931SShahar S Matityahu } 1674378c8931SShahar S Matityahu 1675ea7cb829SSara Sharon trigger->occurrences = cpu_to_le16(occurrences); 1676ea7cb829SSara Sharon delay = le16_to_cpu(trigger->trig_dis_ms); 1677124e0ebaSSara Sharon monitor_only = trigger->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY; 1678ea7cb829SSara Sharon } 1679ea7cb829SSara Sharon 16807174beb6SJohannes Berg desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 16817174beb6SJohannes Berg if (!desc) 16827174beb6SJohannes Berg return -ENOMEM; 16837174beb6SJohannes Berg 1684af303252SSara Sharon 16857174beb6SJohannes Berg desc->len = len; 16867174beb6SJohannes Berg desc->trig_desc.type = cpu_to_le32(trig); 16877174beb6SJohannes Berg memcpy(desc->trig_desc.data, str, len); 16887174beb6SJohannes Berg 1689124e0ebaSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); 16907174beb6SJohannes Berg } 1691fe1b7d6cSSara Sharon IWL_EXPORT_SYMBOL(_iwl_fw_dbg_collect); 1692fe1b7d6cSSara Sharon 1693fe1b7d6cSSara Sharon int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 1694fe1b7d6cSSara Sharon u32 id, const char *str, size_t len) 1695fe1b7d6cSSara Sharon { 1696fe1b7d6cSSara Sharon struct iwl_fw_dump_desc *desc; 1697b61a6610SShahar S Matityahu struct iwl_fw_ini_active_triggers *active; 1698fe1b7d6cSSara Sharon u32 occur, delay; 1699fe1b7d6cSSara Sharon 1700fe1b7d6cSSara Sharon if (!fwrt->trans->ini_valid) 1701fe1b7d6cSSara Sharon return _iwl_fw_dbg_collect(fwrt, id, str, len, NULL); 1702fe1b7d6cSSara Sharon 1703fe1b7d6cSSara Sharon if (id == FW_DBG_TRIGGER_USER) 1704fe1b7d6cSSara Sharon id = IWL_FW_TRIGGER_ID_USER_TRIGGER; 1705fe1b7d6cSSara Sharon 1706b61a6610SShahar S Matityahu active = &fwrt->dump.active_trigs[id]; 1707b61a6610SShahar S Matityahu 1708b61a6610SShahar S Matityahu if (WARN_ON(!active->active)) 1709fe1b7d6cSSara Sharon return -EINVAL; 1710fe1b7d6cSSara Sharon 1711b61a6610SShahar S Matityahu delay = le32_to_cpu(active->trig->dump_delay); 1712b61a6610SShahar S Matityahu occur = le32_to_cpu(active->trig->occurrences); 1713fe1b7d6cSSara Sharon if (!occur) 1714fe1b7d6cSSara Sharon return 0; 1715fe1b7d6cSSara Sharon 1716b61a6610SShahar S Matityahu if (le32_to_cpu(active->trig->force_restart)) { 1717fe1b7d6cSSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", id); 1718fe1b7d6cSSara Sharon iwl_force_nmi(fwrt->trans); 1719fe1b7d6cSSara Sharon return 0; 1720fe1b7d6cSSara Sharon } 1721fe1b7d6cSSara Sharon 1722fe1b7d6cSSara Sharon desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 1723fe1b7d6cSSara Sharon if (!desc) 1724fe1b7d6cSSara Sharon return -ENOMEM; 1725fe1b7d6cSSara Sharon 1726b61a6610SShahar S Matityahu active->trig->occurrences = cpu_to_le32(--occur); 1727fe1b7d6cSSara Sharon 1728fe1b7d6cSSara Sharon desc->len = len; 1729fe1b7d6cSSara Sharon desc->trig_desc.type = cpu_to_le32(id); 1730fe1b7d6cSSara Sharon memcpy(desc->trig_desc.data, str, len); 1731fe1b7d6cSSara Sharon 1732fe1b7d6cSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, true, delay); 1733fe1b7d6cSSara Sharon } 17347174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect); 17357174beb6SJohannes Berg 17367174beb6SJohannes Berg int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, 17377174beb6SJohannes Berg struct iwl_fw_dbg_trigger_tlv *trigger, 17387174beb6SJohannes Berg const char *fmt, ...) 17397174beb6SJohannes Berg { 17407174beb6SJohannes Berg int ret, len = 0; 17417174beb6SJohannes Berg char buf[64]; 17427174beb6SJohannes Berg 174374374223SSara Sharon if (fwrt->trans->ini_valid) 174474374223SSara Sharon return 0; 174574374223SSara Sharon 17467174beb6SJohannes Berg if (fmt) { 17477174beb6SJohannes Berg va_list ap; 17487174beb6SJohannes Berg 17497174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 17507174beb6SJohannes Berg 17517174beb6SJohannes Berg va_start(ap, fmt); 17527174beb6SJohannes Berg vsnprintf(buf, sizeof(buf), fmt, ap); 17537174beb6SJohannes Berg va_end(ap); 17547174beb6SJohannes Berg 17557174beb6SJohannes Berg /* check for truncation */ 17567174beb6SJohannes Berg if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) 17577174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 17587174beb6SJohannes Berg 17597174beb6SJohannes Berg len = strlen(buf) + 1; 17607174beb6SJohannes Berg } 17617174beb6SJohannes Berg 1762fe1b7d6cSSara Sharon ret = _iwl_fw_dbg_collect(fwrt, le32_to_cpu(trigger->id), buf, len, 17637174beb6SJohannes Berg trigger); 17647174beb6SJohannes Berg 17657174beb6SJohannes Berg if (ret) 17667174beb6SJohannes Berg return ret; 17677174beb6SJohannes Berg 17687174beb6SJohannes Berg return 0; 17697174beb6SJohannes Berg } 17707174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_trig); 17717174beb6SJohannes Berg 17727174beb6SJohannes Berg int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) 17737174beb6SJohannes Berg { 17747174beb6SJohannes Berg u8 *ptr; 17757174beb6SJohannes Berg int ret; 17767174beb6SJohannes Berg int i; 17777174beb6SJohannes Berg 177817b809c9SSara Sharon if (WARN_ONCE(conf_id >= ARRAY_SIZE(fwrt->fw->dbg.conf_tlv), 17797174beb6SJohannes Berg "Invalid configuration %d\n", conf_id)) 17807174beb6SJohannes Berg return -EINVAL; 17817174beb6SJohannes Berg 17827174beb6SJohannes Berg /* EARLY START - firmware's configuration is hard coded */ 178317b809c9SSara Sharon if ((!fwrt->fw->dbg.conf_tlv[conf_id] || 178417b809c9SSara Sharon !fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds) && 17857174beb6SJohannes Berg conf_id == FW_DBG_START_FROM_ALIVE) 17867174beb6SJohannes Berg return 0; 17877174beb6SJohannes Berg 178817b809c9SSara Sharon if (!fwrt->fw->dbg.conf_tlv[conf_id]) 17897174beb6SJohannes Berg return -EINVAL; 17907174beb6SJohannes Berg 17917174beb6SJohannes Berg if (fwrt->dump.conf != FW_DBG_INVALID) 17927174beb6SJohannes Berg IWL_WARN(fwrt, "FW already configured (%d) - re-configuring\n", 17937174beb6SJohannes Berg fwrt->dump.conf); 17947174beb6SJohannes Berg 17957174beb6SJohannes Berg /* Send all HCMDs for configuring the FW debug */ 179617b809c9SSara Sharon ptr = (void *)&fwrt->fw->dbg.conf_tlv[conf_id]->hcmd; 179717b809c9SSara Sharon for (i = 0; i < fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds; i++) { 17987174beb6SJohannes Berg struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; 17997174beb6SJohannes Berg struct iwl_host_cmd hcmd = { 18007174beb6SJohannes Berg .id = cmd->id, 18017174beb6SJohannes Berg .len = { le16_to_cpu(cmd->len), }, 18027174beb6SJohannes Berg .data = { cmd->data, }, 18037174beb6SJohannes Berg }; 18047174beb6SJohannes Berg 18057174beb6SJohannes Berg ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); 18067174beb6SJohannes Berg if (ret) 18077174beb6SJohannes Berg return ret; 18087174beb6SJohannes Berg 18097174beb6SJohannes Berg ptr += sizeof(*cmd); 18107174beb6SJohannes Berg ptr += le16_to_cpu(cmd->len); 18117174beb6SJohannes Berg } 18127174beb6SJohannes Berg 18137174beb6SJohannes Berg fwrt->dump.conf = conf_id; 18147174beb6SJohannes Berg 18157174beb6SJohannes Berg return 0; 18167174beb6SJohannes Berg } 18177174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf); 18187174beb6SJohannes Berg 18194244e7fcSShahar S Matityahu /* this function assumes dump_start was called beforehand and dump_end will be 18204244e7fcSShahar S Matityahu * called afterwards 18214244e7fcSShahar S Matityahu */ 18224244e7fcSShahar S Matityahu void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt) 18237174beb6SJohannes Berg { 1824d25eec30SSara Sharon struct iwl_fw_dbg_params params = {0}; 18257174beb6SJohannes Berg 18264244e7fcSShahar S Matityahu if (!test_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) 18277174beb6SJohannes Berg return; 18287174beb6SJohannes Berg 18298745f12aSShaul Triebitz if (fwrt->ops && fwrt->ops->fw_running && 18308745f12aSShaul Triebitz !fwrt->ops->fw_running(fwrt->ops_ctx)) { 18318745f12aSShaul Triebitz IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); 18328745f12aSShaul Triebitz iwl_fw_free_dump_desc(fwrt); 18338745f12aSShaul Triebitz clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); 18344244e7fcSShahar S Matityahu return; 18358745f12aSShaul Triebitz } 18368745f12aSShaul Triebitz 18375cfe79c8SSara Sharon iwl_fw_dbg_stop_recording(fwrt, ¶ms); 18387174beb6SJohannes Berg 18397174beb6SJohannes Berg iwl_fw_error_dump(fwrt); 18407174beb6SJohannes Berg 18417174beb6SJohannes Berg /* start recording again if the firmware is not crashed */ 18427174beb6SJohannes Berg if (!test_bit(STATUS_FW_ERROR, &fwrt->trans->status) && 184317b809c9SSara Sharon fwrt->fw->dbg.dest_tlv) { 18447174beb6SJohannes Berg /* wait before we collect the data till the DBGC stop */ 18457174beb6SJohannes Berg udelay(500); 18465cfe79c8SSara Sharon iwl_fw_dbg_restart_recording(fwrt, ¶ms); 18477174beb6SJohannes Berg } 18484244e7fcSShahar S Matityahu } 18494244e7fcSShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_sync); 18504244e7fcSShahar S Matityahu 18514244e7fcSShahar S Matityahu void iwl_fw_error_dump_wk(struct work_struct *work) 18524244e7fcSShahar S Matityahu { 18534244e7fcSShahar S Matityahu struct iwl_fw_runtime *fwrt = 18544244e7fcSShahar S Matityahu container_of(work, struct iwl_fw_runtime, dump.wk.work); 18554244e7fcSShahar S Matityahu 18564244e7fcSShahar S Matityahu if (fwrt->ops && fwrt->ops->dump_start && 18574244e7fcSShahar S Matityahu fwrt->ops->dump_start(fwrt->ops_ctx)) 18584244e7fcSShahar S Matityahu return; 18594244e7fcSShahar S Matityahu 18604244e7fcSShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt); 18614244e7fcSShahar S Matityahu 18627174beb6SJohannes Berg if (fwrt->ops && fwrt->ops->dump_end) 18637174beb6SJohannes Berg fwrt->ops->dump_end(fwrt->ops_ctx); 18647174beb6SJohannes Berg } 18657174beb6SJohannes Berg 18662d8c2615SShahar S Matityahu void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) 18672d8c2615SShahar S Matityahu { 18682d8c2615SShahar S Matityahu const struct iwl_cfg *cfg = fwrt->trans->cfg; 18692d8c2615SShahar S Matityahu 18702d8c2615SShahar S Matityahu if (!iwl_fw_dbg_is_d3_debug_enabled(fwrt)) 18712d8c2615SShahar S Matityahu return; 18722d8c2615SShahar S Matityahu 18732d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 18742d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = kmalloc(cfg->d3_debug_data_length, 18752d8c2615SShahar S Matityahu GFP_KERNEL); 18762d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 18772d8c2615SShahar S Matityahu IWL_ERR(fwrt, 18782d8c2615SShahar S Matityahu "failed to allocate memory for D3 debug data\n"); 18792d8c2615SShahar S Matityahu return; 18802d8c2615SShahar S Matityahu } 18812d8c2615SShahar S Matityahu } 18822d8c2615SShahar S Matityahu 18832d8c2615SShahar S Matityahu /* if the buffer holds previous debug data it is overwritten */ 18842d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, cfg->d3_debug_data_base_addr, 18852d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data, 18862d8c2615SShahar S Matityahu cfg->d3_debug_data_length); 18872d8c2615SShahar S Matityahu } 18882d8c2615SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data); 1889d47902f9SSara Sharon 1890d47902f9SSara Sharon static void 18910ec7bfb2SShahar S Matityahu iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, u32 size) 18920ec7bfb2SShahar S Matityahu { 18930ec7bfb2SShahar S Matityahu struct iwl_trans *trans = fwrt->trans; 18940ec7bfb2SShahar S Matityahu void *virtual_addr = NULL; 18950ec7bfb2SShahar S Matityahu dma_addr_t phys_addr; 18960ec7bfb2SShahar S Matityahu 18970ec7bfb2SShahar S Matityahu if (WARN_ON_ONCE(trans->num_blocks == ARRAY_SIZE(trans->fw_mon))) 18980ec7bfb2SShahar S Matityahu return; 18990ec7bfb2SShahar S Matityahu 19000ec7bfb2SShahar S Matityahu virtual_addr = 19010ec7bfb2SShahar S Matityahu dma_alloc_coherent(fwrt->trans->dev, size, &phys_addr, 19020ec7bfb2SShahar S Matityahu GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO | 19030ec7bfb2SShahar S Matityahu __GFP_COMP); 19040ec7bfb2SShahar S Matityahu 19050ec7bfb2SShahar S Matityahu /* TODO: alloc fragments if needed */ 19060ec7bfb2SShahar S Matityahu if (!virtual_addr) 19070ec7bfb2SShahar S Matityahu IWL_ERR(fwrt, "Failed to allocate debug memory\n"); 19080ec7bfb2SShahar S Matityahu 19090ec7bfb2SShahar S Matityahu trans->fw_mon[trans->num_blocks].block = virtual_addr; 19100ec7bfb2SShahar S Matityahu trans->fw_mon[trans->num_blocks].physical = phys_addr; 19110ec7bfb2SShahar S Matityahu trans->fw_mon[trans->num_blocks].size = size; 19120ec7bfb2SShahar S Matityahu trans->num_blocks++; 19130ec7bfb2SShahar S Matityahu 19140ec7bfb2SShahar S Matityahu IWL_DEBUG_FW(trans, "Allocated debug block of size %d\n", size); 19150ec7bfb2SShahar S Matityahu } 19160ec7bfb2SShahar S Matityahu 19170ec7bfb2SShahar S Matityahu static void iwl_fw_dbg_buffer_apply(struct iwl_fw_runtime *fwrt, 1918e41e2c26SShahar S Matityahu struct iwl_fw_ini_allocation_data *alloc, 1919e41e2c26SShahar S Matityahu enum iwl_fw_ini_apply_point pnt) 1920d47902f9SSara Sharon { 1921d47902f9SSara Sharon struct iwl_trans *trans = fwrt->trans; 1922e6aeeb4fSJohannes Berg struct iwl_ldbg_config_cmd ldbg_cmd = { 1923e6aeeb4fSJohannes Berg .type = cpu_to_le32(BUFFER_ALLOCATION), 1924e6aeeb4fSJohannes Berg }; 1925e6aeeb4fSJohannes Berg struct iwl_buffer_allocation_cmd *cmd = &ldbg_cmd.buffer_allocation; 1926d47902f9SSara Sharon struct iwl_host_cmd hcmd = { 1927d47902f9SSara Sharon .id = LDBG_CONFIG_CMD, 1928d47902f9SSara Sharon .flags = CMD_ASYNC, 1929e6aeeb4fSJohannes Berg .data[0] = &ldbg_cmd, 1930e6aeeb4fSJohannes Berg .len[0] = sizeof(ldbg_cmd), 1931d47902f9SSara Sharon }; 19320ec7bfb2SShahar S Matityahu int block_idx = trans->num_blocks; 1933e41e2c26SShahar S Matityahu u32 buf_location = le32_to_cpu(alloc->tlv.buffer_location); 1934d47902f9SSara Sharon 1935e41e2c26SShahar S Matityahu if (buf_location == IWL_FW_INI_LOCATION_SRAM_PATH) { 1936e41e2c26SShahar S Matityahu if (!WARN(pnt != IWL_FW_INI_APPLY_EARLY, 1937e41e2c26SShahar S Matityahu "Invalid apply point %d for SMEM buffer allocation", 1938e41e2c26SShahar S Matityahu pnt)) 1939e41e2c26SShahar S Matityahu /* set sram monitor by enabling bit 7 */ 1940e41e2c26SShahar S Matityahu iwl_set_bit(fwrt->trans, CSR_HW_IF_CONFIG_REG, 1941e41e2c26SShahar S Matityahu CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM); 1942e41e2c26SShahar S Matityahu return; 1943e41e2c26SShahar S Matityahu } 1944e41e2c26SShahar S Matityahu 1945e41e2c26SShahar S Matityahu if (buf_location != IWL_FW_INI_LOCATION_DRAM_PATH) 1946d47902f9SSara Sharon return; 1947d47902f9SSara Sharon 19480ec7bfb2SShahar S Matityahu if (!alloc->is_alloc) { 19490ec7bfb2SShahar S Matityahu iwl_fw_dbg_buffer_allocation(fwrt, 19500ec7bfb2SShahar S Matityahu le32_to_cpu(alloc->tlv.size)); 19510ec7bfb2SShahar S Matityahu if (block_idx == trans->num_blocks) 1952d47902f9SSara Sharon return; 19530ec7bfb2SShahar S Matityahu alloc->is_alloc = 1; 19540ec7bfb2SShahar S Matityahu } 1955d47902f9SSara Sharon 1956d47902f9SSara Sharon /* First block is assigned via registers / context info */ 1957d47902f9SSara Sharon if (trans->num_blocks == 1) 1958d47902f9SSara Sharon return; 1959d47902f9SSara Sharon 1960d47902f9SSara Sharon cmd->num_frags = cpu_to_le32(1); 19610ec7bfb2SShahar S Matityahu cmd->fragments[0].address = 19620ec7bfb2SShahar S Matityahu cpu_to_le64(trans->fw_mon[block_idx].physical); 19630ec7bfb2SShahar S Matityahu cmd->fragments[0].size = alloc->tlv.size; 19640ec7bfb2SShahar S Matityahu cmd->allocation_id = alloc->tlv.allocation_id; 19650ec7bfb2SShahar S Matityahu cmd->buffer_location = alloc->tlv.buffer_location; 1966d47902f9SSara Sharon 1967d47902f9SSara Sharon iwl_trans_send_cmd(trans, &hcmd); 1968d47902f9SSara Sharon } 1969d47902f9SSara Sharon 1970d47902f9SSara Sharon static void iwl_fw_dbg_send_hcmd(struct iwl_fw_runtime *fwrt, 1971d47902f9SSara Sharon struct iwl_ucode_tlv *tlv) 1972d47902f9SSara Sharon { 1973d47902f9SSara Sharon struct iwl_fw_ini_hcmd_tlv *hcmd_tlv = (void *)&tlv->data[0]; 1974d47902f9SSara Sharon struct iwl_fw_ini_hcmd *data = &hcmd_tlv->hcmd; 1975d47902f9SSara Sharon u16 len = le32_to_cpu(tlv->length) - sizeof(*hcmd_tlv); 1976d47902f9SSara Sharon 1977d47902f9SSara Sharon struct iwl_host_cmd hcmd = { 1978d47902f9SSara Sharon .id = WIDE_ID(data->group, data->id), 1979d47902f9SSara Sharon .len = { len, }, 1980d47902f9SSara Sharon .data = { data->data, }, 1981d47902f9SSara Sharon }; 1982d47902f9SSara Sharon 1983d47902f9SSara Sharon iwl_trans_send_cmd(fwrt->trans, &hcmd); 1984d47902f9SSara Sharon } 1985d47902f9SSara Sharon 1986d47902f9SSara Sharon static void iwl_fw_dbg_update_regions(struct iwl_fw_runtime *fwrt, 1987d47902f9SSara Sharon struct iwl_fw_ini_region_tlv *tlv, 1988d47902f9SSara Sharon bool ext, enum iwl_fw_ini_apply_point pnt) 1989d47902f9SSara Sharon { 1990d47902f9SSara Sharon void *iter = (void *)tlv->region_config; 1991d47902f9SSara Sharon int i, size = le32_to_cpu(tlv->num_regions); 1992d47902f9SSara Sharon 1993d47902f9SSara Sharon for (i = 0; i < size; i++) { 19940ec7bfb2SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg = iter, **active; 1995d47902f9SSara Sharon int id = le32_to_cpu(reg->region_id); 19969deb52c6SShahar S Matityahu u32 type = le32_to_cpu(reg->region_type); 1997d47902f9SSara Sharon 19982c47e5a1SSara Sharon if (WARN(id >= ARRAY_SIZE(fwrt->dump.active_regs), 19992c47e5a1SSara Sharon "Invalid region id %d for apply point %d\n", id, pnt)) 2000d47902f9SSara Sharon break; 2001d47902f9SSara Sharon 2002d47902f9SSara Sharon active = &fwrt->dump.active_regs[id]; 2003d47902f9SSara Sharon 20040ec7bfb2SShahar S Matityahu if (*active) 20050ec7bfb2SShahar S Matityahu IWL_WARN(fwrt->trans, "region TLV %d override\n", id); 2006d47902f9SSara Sharon 2007d47902f9SSara Sharon IWL_DEBUG_FW(fwrt, 2008d47902f9SSara Sharon "%s: apply point %d, activating region ID %d\n", 2009d47902f9SSara Sharon __func__, pnt, id); 2010d47902f9SSara Sharon 20110ec7bfb2SShahar S Matityahu *active = reg; 2012d47902f9SSara Sharon 20139deb52c6SShahar S Matityahu if (type == IWL_FW_INI_REGION_TXF || 20149deb52c6SShahar S Matityahu type == IWL_FW_INI_REGION_RXF) 20159deb52c6SShahar S Matityahu iter += le32_to_cpu(reg->fifos.num_of_registers) * 20169deb52c6SShahar S Matityahu sizeof(__le32); 20179deb52c6SShahar S Matityahu else if (type != IWL_FW_INI_REGION_DRAM_BUFFER) 20189deb52c6SShahar S Matityahu iter += le32_to_cpu(reg->internal.num_of_ranges) * 2019bb0306bdSShahar S Matityahu sizeof(__le32); 2020d47902f9SSara Sharon 2021d47902f9SSara Sharon iter += sizeof(*reg); 2022d47902f9SSara Sharon } 2023d47902f9SSara Sharon } 2024d47902f9SSara Sharon 2025b61a6610SShahar S Matityahu static int iwl_fw_dbg_trig_realloc(struct iwl_fw_runtime *fwrt, 2026b61a6610SShahar S Matityahu struct iwl_fw_ini_active_triggers *active, 2027b61a6610SShahar S Matityahu u32 id, int size) 2028b61a6610SShahar S Matityahu { 2029b61a6610SShahar S Matityahu void *ptr; 2030b61a6610SShahar S Matityahu 2031b61a6610SShahar S Matityahu if (size <= active->size) 2032b61a6610SShahar S Matityahu return 0; 2033b61a6610SShahar S Matityahu 2034b61a6610SShahar S Matityahu ptr = krealloc(active->trig, size, GFP_KERNEL); 2035b61a6610SShahar S Matityahu if (!ptr) { 2036b61a6610SShahar S Matityahu IWL_ERR(fwrt, "Failed to allocate memory for trigger %d\n", id); 2037b61a6610SShahar S Matityahu return -ENOMEM; 2038b61a6610SShahar S Matityahu } 2039b61a6610SShahar S Matityahu active->trig = ptr; 2040b61a6610SShahar S Matityahu active->size = size; 2041b61a6610SShahar S Matityahu 2042b61a6610SShahar S Matityahu return 0; 2043b61a6610SShahar S Matityahu } 2044b61a6610SShahar S Matityahu 2045d47902f9SSara Sharon static void iwl_fw_dbg_update_triggers(struct iwl_fw_runtime *fwrt, 2046d47902f9SSara Sharon struct iwl_fw_ini_trigger_tlv *tlv, 2047d47902f9SSara Sharon bool ext, 2048d47902f9SSara Sharon enum iwl_fw_ini_apply_point apply_point) 2049d47902f9SSara Sharon { 2050d47902f9SSara Sharon int i, size = le32_to_cpu(tlv->num_triggers); 2051d47902f9SSara Sharon void *iter = (void *)tlv->trigger_config; 2052d47902f9SSara Sharon 2053d47902f9SSara Sharon for (i = 0; i < size; i++) { 2054d47902f9SSara Sharon struct iwl_fw_ini_trigger *trig = iter; 2055d47902f9SSara Sharon struct iwl_fw_ini_active_triggers *active; 2056d47902f9SSara Sharon int id = le32_to_cpu(trig->trigger_id); 2057b61a6610SShahar S Matityahu u32 trig_regs_size = le32_to_cpu(trig->num_regions) * 2058b61a6610SShahar S Matityahu sizeof(__le32); 2059d47902f9SSara Sharon 2060d47902f9SSara Sharon if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) 2061d47902f9SSara Sharon break; 2062d47902f9SSara Sharon 2063d47902f9SSara Sharon active = &fwrt->dump.active_trigs[id]; 2064d47902f9SSara Sharon 2065b61a6610SShahar S Matityahu if (!active->active) { 2066b61a6610SShahar S Matityahu size_t trig_size = sizeof(*trig) + trig_regs_size; 2067b61a6610SShahar S Matityahu 2068b61a6610SShahar S Matityahu if (iwl_fw_dbg_trig_realloc(fwrt, active, id, 2069b61a6610SShahar S Matityahu trig_size)) 2070b61a6610SShahar S Matityahu goto next; 2071b61a6610SShahar S Matityahu 2072b61a6610SShahar S Matityahu memcpy(active->trig, trig, trig_size); 2073b61a6610SShahar S Matityahu 2074b61a6610SShahar S Matityahu } else { 2075b61a6610SShahar S Matityahu u32 conf_override = 2076b61a6610SShahar S Matityahu !(le32_to_cpu(trig->override_trig) & 0xff); 2077b61a6610SShahar S Matityahu u32 region_override = 2078b61a6610SShahar S Matityahu !(le32_to_cpu(trig->override_trig) & 0xff00); 2079b61a6610SShahar S Matityahu u32 offset = 0; 2080b61a6610SShahar S Matityahu u32 active_regs = 2081b61a6610SShahar S Matityahu le32_to_cpu(active->trig->num_regions); 2082b61a6610SShahar S Matityahu u32 new_regs = le32_to_cpu(trig->num_regions); 2083b61a6610SShahar S Matityahu int mem_to_add = trig_regs_size; 2084b61a6610SShahar S Matityahu 2085b61a6610SShahar S Matityahu if (region_override) { 2086b61a6610SShahar S Matityahu mem_to_add -= active_regs * sizeof(__le32); 2087b61a6610SShahar S Matityahu } else { 2088b61a6610SShahar S Matityahu offset += active_regs; 2089b61a6610SShahar S Matityahu new_regs += active_regs; 2090d47902f9SSara Sharon } 2091d47902f9SSara Sharon 2092b61a6610SShahar S Matityahu if (iwl_fw_dbg_trig_realloc(fwrt, active, id, 2093b61a6610SShahar S Matityahu active->size + mem_to_add)) 2094b61a6610SShahar S Matityahu goto next; 2095d47902f9SSara Sharon 2096b61a6610SShahar S Matityahu if (conf_override) 2097b61a6610SShahar S Matityahu memcpy(active->trig, trig, sizeof(*trig)); 2098b61a6610SShahar S Matityahu 2099b61a6610SShahar S Matityahu memcpy(active->trig->data + offset, trig->data, 2100b61a6610SShahar S Matityahu trig_regs_size); 2101b61a6610SShahar S Matityahu active->trig->num_regions = cpu_to_le32(new_regs); 2102d47902f9SSara Sharon } 2103d47902f9SSara Sharon 2104fe1b7d6cSSara Sharon /* Since zero means infinity - just set to -1 */ 2105b61a6610SShahar S Matityahu if (!le32_to_cpu(active->trig->occurrences)) 2106b61a6610SShahar S Matityahu active->trig->occurrences = cpu_to_le32(-1); 2107b61a6610SShahar S Matityahu if (!le32_to_cpu(active->trig->ignore_consec)) 2108b61a6610SShahar S Matityahu active->trig->ignore_consec = cpu_to_le32(-1); 2109fe1b7d6cSSara Sharon 2110b61a6610SShahar S Matityahu active->active = true; 2111b61a6610SShahar S Matityahu next: 2112b61a6610SShahar S Matityahu iter += sizeof(*trig) + trig_regs_size; 2113d47902f9SSara Sharon 2114d47902f9SSara Sharon } 2115d47902f9SSara Sharon } 2116d47902f9SSara Sharon 2117d47902f9SSara Sharon static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, 2118d47902f9SSara Sharon struct iwl_apply_point_data *data, 2119d47902f9SSara Sharon enum iwl_fw_ini_apply_point pnt, 2120d47902f9SSara Sharon bool ext) 2121d47902f9SSara Sharon { 2122d47902f9SSara Sharon void *iter = data->data; 2123d47902f9SSara Sharon 2124d47902f9SSara Sharon while (iter && iter < data->data + data->size) { 2125d47902f9SSara Sharon struct iwl_ucode_tlv *tlv = iter; 2126d47902f9SSara Sharon void *ini_tlv = (void *)tlv->data; 2127d47902f9SSara Sharon u32 type = le32_to_cpu(tlv->type); 2128d47902f9SSara Sharon 2129d47902f9SSara Sharon switch (type) { 21300ec7bfb2SShahar S Matityahu case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: { 21310ec7bfb2SShahar S Matityahu struct iwl_fw_ini_allocation_data *buf_alloc = ini_tlv; 21320ec7bfb2SShahar S Matityahu 2133e41e2c26SShahar S Matityahu iwl_fw_dbg_buffer_apply(fwrt, ini_tlv, pnt); 21340ec7bfb2SShahar S Matityahu iter += sizeof(buf_alloc->is_alloc); 2135d47902f9SSara Sharon break; 21360ec7bfb2SShahar S Matityahu } 2137d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_HCMD: 2138d47902f9SSara Sharon if (pnt < IWL_FW_INI_APPLY_AFTER_ALIVE) { 2139d47902f9SSara Sharon IWL_ERR(fwrt, 2140d47902f9SSara Sharon "Invalid apply point %x for host command\n", 2141d47902f9SSara Sharon pnt); 2142d47902f9SSara Sharon goto next; 2143d47902f9SSara Sharon } 2144d47902f9SSara Sharon iwl_fw_dbg_send_hcmd(fwrt, tlv); 2145d47902f9SSara Sharon break; 2146d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_REGIONS: 2147d47902f9SSara Sharon iwl_fw_dbg_update_regions(fwrt, ini_tlv, ext, pnt); 2148d47902f9SSara Sharon break; 2149d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_TRIGGERS: 2150d47902f9SSara Sharon iwl_fw_dbg_update_triggers(fwrt, ini_tlv, ext, pnt); 2151d47902f9SSara Sharon break; 2152d47902f9SSara Sharon case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: 2153d47902f9SSara Sharon break; 2154d47902f9SSara Sharon default: 2155d47902f9SSara Sharon WARN_ONCE(1, "Invalid TLV %x for apply point\n", type); 2156d47902f9SSara Sharon break; 2157d47902f9SSara Sharon } 2158d47902f9SSara Sharon next: 2159d47902f9SSara Sharon iter += sizeof(*tlv) + le32_to_cpu(tlv->length); 2160d47902f9SSara Sharon } 2161d47902f9SSara Sharon } 2162d47902f9SSara Sharon 2163d47902f9SSara Sharon void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, 2164d47902f9SSara Sharon enum iwl_fw_ini_apply_point apply_point) 2165d47902f9SSara Sharon { 2166d47902f9SSara Sharon void *data = &fwrt->trans->apply_points[apply_point]; 21670ec7bfb2SShahar S Matityahu int i; 21680ec7bfb2SShahar S Matityahu 21690ec7bfb2SShahar S Matityahu if (apply_point == IWL_FW_INI_APPLY_EARLY) { 21700ec7bfb2SShahar S Matityahu for (i = 0; i < IWL_FW_INI_MAX_REGION_ID; i++) 21710ec7bfb2SShahar S Matityahu fwrt->dump.active_regs[i] = NULL; 2172b61a6610SShahar S Matityahu 2173b61a6610SShahar S Matityahu /* disable the triggers, used in recovery flow */ 2174b61a6610SShahar S Matityahu for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++) 2175b61a6610SShahar S Matityahu fwrt->dump.active_trigs[i].active = false; 21760ec7bfb2SShahar S Matityahu } 2177d47902f9SSara Sharon 2178d47902f9SSara Sharon _iwl_fw_dbg_apply_point(fwrt, data, apply_point, false); 2179d47902f9SSara Sharon 2180d47902f9SSara Sharon data = &fwrt->trans->apply_points_ext[apply_point]; 2181d47902f9SSara Sharon _iwl_fw_dbg_apply_point(fwrt, data, apply_point, true); 2182d47902f9SSara Sharon } 2183d47902f9SSara Sharon IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point); 2184700b3799SShahar S Matityahu 2185700b3799SShahar S Matityahu void iwl_fwrt_stop_device(struct iwl_fw_runtime *fwrt) 2186700b3799SShahar S Matityahu { 2187700b3799SShahar S Matityahu /* if the wait event timeout elapses instead of wake up then 2188700b3799SShahar S Matityahu * the driver did not receive NMI interrupt and can not assume the FW 2189700b3799SShahar S Matityahu * is halted 2190700b3799SShahar S Matityahu */ 2191700b3799SShahar S Matityahu int ret = wait_event_timeout(fwrt->trans->fw_halt_waitq, 2192700b3799SShahar S Matityahu !test_bit(STATUS_FW_WAIT_DUMP, 2193700b3799SShahar S Matityahu &fwrt->trans->status), 2194700b3799SShahar S Matityahu msecs_to_jiffies(2000)); 2195700b3799SShahar S Matityahu if (!ret) { 2196700b3799SShahar S Matityahu /* failed to receive NMI interrupt, assuming the FW is stuck */ 2197700b3799SShahar S Matityahu set_bit(STATUS_FW_ERROR, &fwrt->trans->status); 2198700b3799SShahar S Matityahu 2199700b3799SShahar S Matityahu clear_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status); 2200700b3799SShahar S Matityahu } 2201700b3799SShahar S Matityahu 2202700b3799SShahar S Matityahu /* Assuming the op mode mutex is held at this point */ 2203700b3799SShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt); 2204700b3799SShahar S Matityahu 2205700b3799SShahar S Matityahu iwl_trans_stop_device(fwrt->trans); 2206700b3799SShahar S Matityahu } 2207700b3799SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fwrt_stop_device); 2208