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 11d4f4793cSShaul 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 34d4f4793cSShaul 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, 245ea695b7cSShaul Triebitz RXF_DIFF_FROM_PREV + 246ea695b7cSShaul Triebitz fwrt->trans->cfg->umac_prph_offset, 1); 2477174beb6SJohannes Berg /* Pull LMAC2 RXF1 */ 2487174beb6SJohannes Berg if (fwrt->smem_cfg.num_lmacs > 1) 249520f03eaSShahar S Matityahu iwl_fwrt_dump_rxf(fwrt, dump_data, 250520f03eaSShahar S Matityahu cfg->lmac[1].rxfifo1_size, 2517174beb6SJohannes Berg LMAC2_PRPH_OFFSET, 2); 252520f03eaSShahar S Matityahu } 2537174beb6SJohannes Berg 25432b258e9SSara Sharon iwl_trans_release_nic_access(fwrt->trans, &flags); 25532b258e9SSara Sharon } 25632b258e9SSara Sharon 25732b258e9SSara Sharon static void iwl_fw_dump_txf(struct iwl_fw_runtime *fwrt, 25832b258e9SSara Sharon struct iwl_fw_error_dump_data **dump_data) 25932b258e9SSara Sharon { 26032b258e9SSara Sharon struct iwl_fw_error_dump_fifo *fifo_hdr; 26132b258e9SSara Sharon struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; 26232b258e9SSara Sharon u32 *fifo_data; 26332b258e9SSara Sharon u32 fifo_len; 26432b258e9SSara Sharon unsigned long flags; 26532b258e9SSara Sharon int i, j; 26632b258e9SSara Sharon 26732b258e9SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT TX FIFO dump\n"); 26832b258e9SSara Sharon 26932b258e9SSara Sharon if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) 27032b258e9SSara Sharon return; 27132b258e9SSara Sharon 272e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) { 2737174beb6SJohannes Berg /* Pull TXF data from LMAC1 */ 2747174beb6SJohannes Berg for (i = 0; i < fwrt->smem_cfg.num_txfifo_entries; i++) { 2757174beb6SJohannes Berg /* Mark the number of TXF we're pulling now */ 2767174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, TXF_LARC_NUM, i); 277520f03eaSShahar S Matityahu iwl_fwrt_dump_txf(fwrt, dump_data, 278520f03eaSShahar S Matityahu cfg->lmac[0].txfifo_size[i], 0, i); 2797174beb6SJohannes Berg } 2807174beb6SJohannes Berg 2817174beb6SJohannes Berg /* Pull TXF data from LMAC2 */ 2827174beb6SJohannes Berg if (fwrt->smem_cfg.num_lmacs > 1) { 283520f03eaSShahar S Matityahu for (i = 0; i < fwrt->smem_cfg.num_txfifo_entries; 284520f03eaSShahar S Matityahu i++) { 2857174beb6SJohannes Berg /* Mark the number of TXF we're pulling now */ 2867174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, 287520f03eaSShahar S Matityahu TXF_LARC_NUM + 288520f03eaSShahar S Matityahu LMAC2_PRPH_OFFSET, i); 2897174beb6SJohannes Berg iwl_fwrt_dump_txf(fwrt, dump_data, 2907174beb6SJohannes Berg cfg->lmac[1].txfifo_size[i], 2917174beb6SJohannes Berg LMAC2_PRPH_OFFSET, 2927174beb6SJohannes Berg i + cfg->num_txfifo_entries); 2937174beb6SJohannes Berg } 2947174beb6SJohannes Berg } 295520f03eaSShahar S Matityahu } 2967174beb6SJohannes Berg 297e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_INTERNAL_TXF) && 298520f03eaSShahar S Matityahu fw_has_capa(&fwrt->fw->ucode_capa, 2997174beb6SJohannes Berg IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) { 3007174beb6SJohannes Berg /* Pull UMAC internal TXF data from all TXFs */ 3017174beb6SJohannes Berg for (i = 0; 3027174beb6SJohannes Berg i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size); 3037174beb6SJohannes Berg i++) { 3047174beb6SJohannes Berg fifo_hdr = (void *)(*dump_data)->data; 3057174beb6SJohannes Berg fifo_data = (void *)fifo_hdr->data; 3067174beb6SJohannes Berg fifo_len = fwrt->smem_cfg.internal_txfifo_size[i]; 3077174beb6SJohannes Berg 3087174beb6SJohannes Berg /* No need to try to read the data if the length is 0 */ 3097174beb6SJohannes Berg if (fifo_len == 0) 3107174beb6SJohannes Berg continue; 3117174beb6SJohannes Berg 3127174beb6SJohannes Berg /* Add a TLV for the internal FIFOs */ 3137174beb6SJohannes Berg (*dump_data)->type = 3147174beb6SJohannes Berg cpu_to_le32(IWL_FW_ERROR_DUMP_INTERNAL_TXF); 3157174beb6SJohannes Berg (*dump_data)->len = 3167174beb6SJohannes Berg cpu_to_le32(fifo_len + sizeof(*fifo_hdr)); 3177174beb6SJohannes Berg 3187174beb6SJohannes Berg fifo_hdr->fifo_num = cpu_to_le32(i); 3197174beb6SJohannes Berg 3207174beb6SJohannes Berg /* Mark the number of TXF we're pulling now */ 3217174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, TXF_CPU2_NUM, i + 3227174beb6SJohannes Berg fwrt->smem_cfg.num_txfifo_entries); 3237174beb6SJohannes Berg 3247174beb6SJohannes Berg fifo_hdr->available_bytes = 3257174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3267174beb6SJohannes Berg TXF_CPU2_FIFO_ITEM_CNT)); 3277174beb6SJohannes Berg fifo_hdr->wr_ptr = 3287174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3297174beb6SJohannes Berg TXF_CPU2_WR_PTR)); 3307174beb6SJohannes Berg fifo_hdr->rd_ptr = 3317174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3327174beb6SJohannes Berg TXF_CPU2_RD_PTR)); 3337174beb6SJohannes Berg fifo_hdr->fence_ptr = 3347174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3357174beb6SJohannes Berg TXF_CPU2_FENCE_PTR)); 3367174beb6SJohannes Berg fifo_hdr->fence_mode = 3377174beb6SJohannes Berg cpu_to_le32(iwl_trans_read_prph(fwrt->trans, 3387174beb6SJohannes Berg TXF_CPU2_LOCK_FENCE)); 3397174beb6SJohannes Berg 3407174beb6SJohannes Berg /* Set TXF_CPU2_READ_MODIFY_ADDR to TXF_CPU2_WR_PTR */ 3417174beb6SJohannes Berg iwl_trans_write_prph(fwrt->trans, 3427174beb6SJohannes Berg TXF_CPU2_READ_MODIFY_ADDR, 3437174beb6SJohannes Berg TXF_CPU2_WR_PTR); 3447174beb6SJohannes Berg 3457174beb6SJohannes Berg /* Dummy-read to advance the read pointer to head */ 3467174beb6SJohannes Berg iwl_trans_read_prph(fwrt->trans, 3477174beb6SJohannes Berg TXF_CPU2_READ_MODIFY_DATA); 3487174beb6SJohannes Berg 3497174beb6SJohannes Berg /* Read FIFO */ 3507174beb6SJohannes Berg fifo_len /= sizeof(u32); /* Size in DWORDS */ 3517174beb6SJohannes Berg for (j = 0; j < fifo_len; j++) 3527174beb6SJohannes Berg fifo_data[j] = 3537174beb6SJohannes Berg iwl_trans_read_prph(fwrt->trans, 3547174beb6SJohannes Berg TXF_CPU2_READ_MODIFY_DATA); 3557174beb6SJohannes Berg *dump_data = iwl_fw_error_next_data(*dump_data); 3567174beb6SJohannes Berg } 3577174beb6SJohannes Berg } 3587174beb6SJohannes Berg 3597174beb6SJohannes Berg iwl_trans_release_nic_access(fwrt->trans, &flags); 3607174beb6SJohannes Berg } 3617174beb6SJohannes Berg 3627174beb6SJohannes Berg #define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */ 3637174beb6SJohannes Berg #define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */ 3647174beb6SJohannes Berg 3657174beb6SJohannes Berg struct iwl_prph_range { 3667174beb6SJohannes Berg u32 start, end; 3677174beb6SJohannes Berg }; 3687174beb6SJohannes Berg 3697174beb6SJohannes Berg static const struct iwl_prph_range iwl_prph_dump_addr_comm[] = { 3707174beb6SJohannes Berg { .start = 0x00a00000, .end = 0x00a00000 }, 3717174beb6SJohannes Berg { .start = 0x00a0000c, .end = 0x00a00024 }, 3727174beb6SJohannes Berg { .start = 0x00a0002c, .end = 0x00a0003c }, 3737174beb6SJohannes Berg { .start = 0x00a00410, .end = 0x00a00418 }, 3747174beb6SJohannes Berg { .start = 0x00a00420, .end = 0x00a00420 }, 3757174beb6SJohannes Berg { .start = 0x00a00428, .end = 0x00a00428 }, 3767174beb6SJohannes Berg { .start = 0x00a00430, .end = 0x00a0043c }, 3777174beb6SJohannes Berg { .start = 0x00a00444, .end = 0x00a00444 }, 3787174beb6SJohannes Berg { .start = 0x00a004c0, .end = 0x00a004cc }, 3797174beb6SJohannes Berg { .start = 0x00a004d8, .end = 0x00a004d8 }, 3807174beb6SJohannes Berg { .start = 0x00a004e0, .end = 0x00a004f0 }, 3817174beb6SJohannes Berg { .start = 0x00a00840, .end = 0x00a00840 }, 3827174beb6SJohannes Berg { .start = 0x00a00850, .end = 0x00a00858 }, 3837174beb6SJohannes Berg { .start = 0x00a01004, .end = 0x00a01008 }, 3847174beb6SJohannes Berg { .start = 0x00a01010, .end = 0x00a01010 }, 3857174beb6SJohannes Berg { .start = 0x00a01018, .end = 0x00a01018 }, 3867174beb6SJohannes Berg { .start = 0x00a01024, .end = 0x00a01024 }, 3877174beb6SJohannes Berg { .start = 0x00a0102c, .end = 0x00a01034 }, 3887174beb6SJohannes Berg { .start = 0x00a0103c, .end = 0x00a01040 }, 3897174beb6SJohannes Berg { .start = 0x00a01048, .end = 0x00a01094 }, 3907174beb6SJohannes Berg { .start = 0x00a01c00, .end = 0x00a01c20 }, 3917174beb6SJohannes Berg { .start = 0x00a01c58, .end = 0x00a01c58 }, 3927174beb6SJohannes Berg { .start = 0x00a01c7c, .end = 0x00a01c7c }, 3937174beb6SJohannes Berg { .start = 0x00a01c28, .end = 0x00a01c54 }, 3947174beb6SJohannes Berg { .start = 0x00a01c5c, .end = 0x00a01c5c }, 3957174beb6SJohannes Berg { .start = 0x00a01c60, .end = 0x00a01cdc }, 3967174beb6SJohannes Berg { .start = 0x00a01ce0, .end = 0x00a01d0c }, 3977174beb6SJohannes Berg { .start = 0x00a01d18, .end = 0x00a01d20 }, 3987174beb6SJohannes Berg { .start = 0x00a01d2c, .end = 0x00a01d30 }, 3997174beb6SJohannes Berg { .start = 0x00a01d40, .end = 0x00a01d5c }, 4007174beb6SJohannes Berg { .start = 0x00a01d80, .end = 0x00a01d80 }, 4017174beb6SJohannes Berg { .start = 0x00a01d98, .end = 0x00a01d9c }, 4027174beb6SJohannes Berg { .start = 0x00a01da8, .end = 0x00a01da8 }, 4037174beb6SJohannes Berg { .start = 0x00a01db8, .end = 0x00a01df4 }, 4047174beb6SJohannes Berg { .start = 0x00a01dc0, .end = 0x00a01dfc }, 4057174beb6SJohannes Berg { .start = 0x00a01e00, .end = 0x00a01e2c }, 4067174beb6SJohannes Berg { .start = 0x00a01e40, .end = 0x00a01e60 }, 4077174beb6SJohannes Berg { .start = 0x00a01e68, .end = 0x00a01e6c }, 4087174beb6SJohannes Berg { .start = 0x00a01e74, .end = 0x00a01e74 }, 4097174beb6SJohannes Berg { .start = 0x00a01e84, .end = 0x00a01e90 }, 4107174beb6SJohannes Berg { .start = 0x00a01e9c, .end = 0x00a01ec4 }, 4117174beb6SJohannes Berg { .start = 0x00a01ed0, .end = 0x00a01ee0 }, 4127174beb6SJohannes Berg { .start = 0x00a01f00, .end = 0x00a01f1c }, 4137174beb6SJohannes Berg { .start = 0x00a01f44, .end = 0x00a01ffc }, 4147174beb6SJohannes Berg { .start = 0x00a02000, .end = 0x00a02048 }, 4157174beb6SJohannes Berg { .start = 0x00a02068, .end = 0x00a020f0 }, 4167174beb6SJohannes Berg { .start = 0x00a02100, .end = 0x00a02118 }, 4177174beb6SJohannes Berg { .start = 0x00a02140, .end = 0x00a0214c }, 4187174beb6SJohannes Berg { .start = 0x00a02168, .end = 0x00a0218c }, 4197174beb6SJohannes Berg { .start = 0x00a021c0, .end = 0x00a021c0 }, 4207174beb6SJohannes Berg { .start = 0x00a02400, .end = 0x00a02410 }, 4217174beb6SJohannes Berg { .start = 0x00a02418, .end = 0x00a02420 }, 4227174beb6SJohannes Berg { .start = 0x00a02428, .end = 0x00a0242c }, 4237174beb6SJohannes Berg { .start = 0x00a02434, .end = 0x00a02434 }, 4247174beb6SJohannes Berg { .start = 0x00a02440, .end = 0x00a02460 }, 4257174beb6SJohannes Berg { .start = 0x00a02468, .end = 0x00a024b0 }, 4267174beb6SJohannes Berg { .start = 0x00a024c8, .end = 0x00a024cc }, 4277174beb6SJohannes Berg { .start = 0x00a02500, .end = 0x00a02504 }, 4287174beb6SJohannes Berg { .start = 0x00a0250c, .end = 0x00a02510 }, 4297174beb6SJohannes Berg { .start = 0x00a02540, .end = 0x00a02554 }, 4307174beb6SJohannes Berg { .start = 0x00a02580, .end = 0x00a025f4 }, 4317174beb6SJohannes Berg { .start = 0x00a02600, .end = 0x00a0260c }, 4327174beb6SJohannes Berg { .start = 0x00a02648, .end = 0x00a02650 }, 4337174beb6SJohannes Berg { .start = 0x00a02680, .end = 0x00a02680 }, 4347174beb6SJohannes Berg { .start = 0x00a026c0, .end = 0x00a026d0 }, 4357174beb6SJohannes Berg { .start = 0x00a02700, .end = 0x00a0270c }, 4367174beb6SJohannes Berg { .start = 0x00a02804, .end = 0x00a02804 }, 4377174beb6SJohannes Berg { .start = 0x00a02818, .end = 0x00a0281c }, 4387174beb6SJohannes Berg { .start = 0x00a02c00, .end = 0x00a02db4 }, 4397174beb6SJohannes Berg { .start = 0x00a02df4, .end = 0x00a02fb0 }, 4407174beb6SJohannes Berg { .start = 0x00a03000, .end = 0x00a03014 }, 4417174beb6SJohannes Berg { .start = 0x00a0301c, .end = 0x00a0302c }, 4427174beb6SJohannes Berg { .start = 0x00a03034, .end = 0x00a03038 }, 4437174beb6SJohannes Berg { .start = 0x00a03040, .end = 0x00a03048 }, 4447174beb6SJohannes Berg { .start = 0x00a03060, .end = 0x00a03068 }, 4457174beb6SJohannes Berg { .start = 0x00a03070, .end = 0x00a03074 }, 4467174beb6SJohannes Berg { .start = 0x00a0307c, .end = 0x00a0307c }, 4477174beb6SJohannes Berg { .start = 0x00a03080, .end = 0x00a03084 }, 4487174beb6SJohannes Berg { .start = 0x00a0308c, .end = 0x00a03090 }, 4497174beb6SJohannes Berg { .start = 0x00a03098, .end = 0x00a03098 }, 4507174beb6SJohannes Berg { .start = 0x00a030a0, .end = 0x00a030a0 }, 4517174beb6SJohannes Berg { .start = 0x00a030a8, .end = 0x00a030b4 }, 4527174beb6SJohannes Berg { .start = 0x00a030bc, .end = 0x00a030bc }, 4537174beb6SJohannes Berg { .start = 0x00a030c0, .end = 0x00a0312c }, 4547174beb6SJohannes Berg { .start = 0x00a03c00, .end = 0x00a03c5c }, 4557174beb6SJohannes Berg { .start = 0x00a04400, .end = 0x00a04454 }, 4567174beb6SJohannes Berg { .start = 0x00a04460, .end = 0x00a04474 }, 4577174beb6SJohannes Berg { .start = 0x00a044c0, .end = 0x00a044ec }, 4587174beb6SJohannes Berg { .start = 0x00a04500, .end = 0x00a04504 }, 4597174beb6SJohannes Berg { .start = 0x00a04510, .end = 0x00a04538 }, 4607174beb6SJohannes Berg { .start = 0x00a04540, .end = 0x00a04548 }, 4617174beb6SJohannes Berg { .start = 0x00a04560, .end = 0x00a0457c }, 4627174beb6SJohannes Berg { .start = 0x00a04590, .end = 0x00a04598 }, 4637174beb6SJohannes Berg { .start = 0x00a045c0, .end = 0x00a045f4 }, 4647174beb6SJohannes Berg }; 4657174beb6SJohannes Berg 4667174beb6SJohannes Berg static const struct iwl_prph_range iwl_prph_dump_addr_9000[] = { 4677174beb6SJohannes Berg { .start = 0x00a05c00, .end = 0x00a05c18 }, 4687174beb6SJohannes Berg { .start = 0x00a05400, .end = 0x00a056e8 }, 4697174beb6SJohannes Berg { .start = 0x00a08000, .end = 0x00a098bc }, 4707174beb6SJohannes Berg { .start = 0x00a02400, .end = 0x00a02758 }, 47115995b75SShahar S Matityahu { .start = 0x00a04764, .end = 0x00a0476c }, 47215995b75SShahar S Matityahu { .start = 0x00a04770, .end = 0x00a04774 }, 47315995b75SShahar S Matityahu { .start = 0x00a04620, .end = 0x00a04624 }, 4747174beb6SJohannes Berg }; 4757174beb6SJohannes Berg 4767e08baebSShahar S Matityahu static const struct iwl_prph_range iwl_prph_dump_addr_22000[] = { 4777e08baebSShahar S Matityahu { .start = 0x00a00000, .end = 0x00a00000 }, 4787e08baebSShahar S Matityahu { .start = 0x00a0000c, .end = 0x00a00024 }, 4797e08baebSShahar S Matityahu { .start = 0x00a0002c, .end = 0x00a00034 }, 4807e08baebSShahar S Matityahu { .start = 0x00a0003c, .end = 0x00a0003c }, 4817e08baebSShahar S Matityahu { .start = 0x00a00410, .end = 0x00a00418 }, 4827e08baebSShahar S Matityahu { .start = 0x00a00420, .end = 0x00a00420 }, 4837e08baebSShahar S Matityahu { .start = 0x00a00428, .end = 0x00a00428 }, 4847e08baebSShahar S Matityahu { .start = 0x00a00430, .end = 0x00a0043c }, 4857e08baebSShahar S Matityahu { .start = 0x00a00444, .end = 0x00a00444 }, 4867e08baebSShahar S Matityahu { .start = 0x00a00840, .end = 0x00a00840 }, 4877e08baebSShahar S Matityahu { .start = 0x00a00850, .end = 0x00a00858 }, 4887e08baebSShahar S Matityahu { .start = 0x00a01004, .end = 0x00a01008 }, 4897e08baebSShahar S Matityahu { .start = 0x00a01010, .end = 0x00a01010 }, 4907e08baebSShahar S Matityahu { .start = 0x00a01018, .end = 0x00a01018 }, 4917e08baebSShahar S Matityahu { .start = 0x00a01024, .end = 0x00a01024 }, 4927e08baebSShahar S Matityahu { .start = 0x00a0102c, .end = 0x00a01034 }, 4937e08baebSShahar S Matityahu { .start = 0x00a0103c, .end = 0x00a01040 }, 4947e08baebSShahar S Matityahu { .start = 0x00a01048, .end = 0x00a01050 }, 4957e08baebSShahar S Matityahu { .start = 0x00a01058, .end = 0x00a01058 }, 4967e08baebSShahar S Matityahu { .start = 0x00a01060, .end = 0x00a01070 }, 4977e08baebSShahar S Matityahu { .start = 0x00a0108c, .end = 0x00a0108c }, 4987e08baebSShahar S Matityahu { .start = 0x00a01c20, .end = 0x00a01c28 }, 4997e08baebSShahar S Matityahu { .start = 0x00a01d10, .end = 0x00a01d10 }, 5007e08baebSShahar S Matityahu { .start = 0x00a01e28, .end = 0x00a01e2c }, 5017e08baebSShahar S Matityahu { .start = 0x00a01e60, .end = 0x00a01e60 }, 5027e08baebSShahar S Matityahu { .start = 0x00a01e80, .end = 0x00a01e80 }, 5037e08baebSShahar S Matityahu { .start = 0x00a01ea0, .end = 0x00a01ea0 }, 5047e08baebSShahar S Matityahu { .start = 0x00a02000, .end = 0x00a0201c }, 5057e08baebSShahar S Matityahu { .start = 0x00a02024, .end = 0x00a02024 }, 5067e08baebSShahar S Matityahu { .start = 0x00a02040, .end = 0x00a02048 }, 5077e08baebSShahar S Matityahu { .start = 0x00a020c0, .end = 0x00a020e0 }, 5087e08baebSShahar S Matityahu { .start = 0x00a02400, .end = 0x00a02404 }, 5097e08baebSShahar S Matityahu { .start = 0x00a0240c, .end = 0x00a02414 }, 5107e08baebSShahar S Matityahu { .start = 0x00a0241c, .end = 0x00a0243c }, 5117e08baebSShahar S Matityahu { .start = 0x00a02448, .end = 0x00a024bc }, 5127e08baebSShahar S Matityahu { .start = 0x00a024c4, .end = 0x00a024cc }, 5137e08baebSShahar S Matityahu { .start = 0x00a02508, .end = 0x00a02508 }, 5147e08baebSShahar S Matityahu { .start = 0x00a02510, .end = 0x00a02514 }, 5157e08baebSShahar S Matityahu { .start = 0x00a0251c, .end = 0x00a0251c }, 5167e08baebSShahar S Matityahu { .start = 0x00a0252c, .end = 0x00a0255c }, 5177e08baebSShahar S Matityahu { .start = 0x00a02564, .end = 0x00a025a0 }, 5187e08baebSShahar S Matityahu { .start = 0x00a025a8, .end = 0x00a025b4 }, 5197e08baebSShahar S Matityahu { .start = 0x00a025c0, .end = 0x00a025c0 }, 5207e08baebSShahar S Matityahu { .start = 0x00a025e8, .end = 0x00a025f4 }, 5217e08baebSShahar S Matityahu { .start = 0x00a02c08, .end = 0x00a02c18 }, 5227e08baebSShahar S Matityahu { .start = 0x00a02c2c, .end = 0x00a02c38 }, 5237e08baebSShahar S Matityahu { .start = 0x00a02c68, .end = 0x00a02c78 }, 5247e08baebSShahar S Matityahu { .start = 0x00a03000, .end = 0x00a03000 }, 5257e08baebSShahar S Matityahu { .start = 0x00a03010, .end = 0x00a03014 }, 5267e08baebSShahar S Matityahu { .start = 0x00a0301c, .end = 0x00a0302c }, 5277e08baebSShahar S Matityahu { .start = 0x00a03034, .end = 0x00a03038 }, 5287e08baebSShahar S Matityahu { .start = 0x00a03040, .end = 0x00a03044 }, 5297e08baebSShahar S Matityahu { .start = 0x00a03060, .end = 0x00a03068 }, 5307e08baebSShahar S Matityahu { .start = 0x00a03070, .end = 0x00a03070 }, 5317e08baebSShahar S Matityahu { .start = 0x00a0307c, .end = 0x00a03084 }, 5327e08baebSShahar S Matityahu { .start = 0x00a0308c, .end = 0x00a03090 }, 5337e08baebSShahar S Matityahu { .start = 0x00a03098, .end = 0x00a03098 }, 5347e08baebSShahar S Matityahu { .start = 0x00a030a0, .end = 0x00a030a0 }, 5357e08baebSShahar S Matityahu { .start = 0x00a030a8, .end = 0x00a030b4 }, 5367e08baebSShahar S Matityahu { .start = 0x00a030bc, .end = 0x00a030c0 }, 5377e08baebSShahar S Matityahu { .start = 0x00a030c8, .end = 0x00a030f4 }, 5387e08baebSShahar S Matityahu { .start = 0x00a03100, .end = 0x00a0312c }, 5397e08baebSShahar S Matityahu { .start = 0x00a03c00, .end = 0x00a03c5c }, 5407e08baebSShahar S Matityahu { .start = 0x00a04400, .end = 0x00a04454 }, 5417e08baebSShahar S Matityahu { .start = 0x00a04460, .end = 0x00a04474 }, 5427e08baebSShahar S Matityahu { .start = 0x00a044c0, .end = 0x00a044ec }, 5437e08baebSShahar S Matityahu { .start = 0x00a04500, .end = 0x00a04504 }, 5447e08baebSShahar S Matityahu { .start = 0x00a04510, .end = 0x00a04538 }, 5457e08baebSShahar S Matityahu { .start = 0x00a04540, .end = 0x00a04548 }, 5467e08baebSShahar S Matityahu { .start = 0x00a04560, .end = 0x00a04560 }, 5477e08baebSShahar S Matityahu { .start = 0x00a04570, .end = 0x00a0457c }, 5487e08baebSShahar S Matityahu { .start = 0x00a04590, .end = 0x00a04590 }, 5497e08baebSShahar S Matityahu { .start = 0x00a04598, .end = 0x00a04598 }, 5507e08baebSShahar S Matityahu { .start = 0x00a045c0, .end = 0x00a045f4 }, 551e91130ceSShahar S Matityahu { .start = 0x00a05c18, .end = 0x00a05c1c }, 5527e08baebSShahar S Matityahu { .start = 0x00a0c000, .end = 0x00a0c018 }, 5537e08baebSShahar S Matityahu { .start = 0x00a0c020, .end = 0x00a0c028 }, 5547e08baebSShahar S Matityahu { .start = 0x00a0c038, .end = 0x00a0c094 }, 5557e08baebSShahar S Matityahu { .start = 0x00a0c0c0, .end = 0x00a0c104 }, 5567e08baebSShahar S Matityahu { .start = 0x00a0c10c, .end = 0x00a0c118 }, 5577e08baebSShahar S Matityahu { .start = 0x00a0c150, .end = 0x00a0c174 }, 5587e08baebSShahar S Matityahu { .start = 0x00a0c17c, .end = 0x00a0c188 }, 5597e08baebSShahar S Matityahu { .start = 0x00a0c190, .end = 0x00a0c198 }, 5607e08baebSShahar S Matityahu { .start = 0x00a0c1a0, .end = 0x00a0c1a8 }, 5617e08baebSShahar S Matityahu { .start = 0x00a0c1b0, .end = 0x00a0c1b8 }, 5627e08baebSShahar S Matityahu }; 5637e08baebSShahar S Matityahu 56432d2282aSShahar S Matityahu static const struct iwl_prph_range iwl_prph_dump_addr_ax210[] = { 56532d2282aSShahar S Matityahu { .start = 0x00d03c00, .end = 0x00d03c64 }, 566e91130ceSShahar S Matityahu { .start = 0x00d05c18, .end = 0x00d05c1c }, 56732d2282aSShahar S Matityahu { .start = 0x00d0c000, .end = 0x00d0c174 }, 56832d2282aSShahar S Matityahu }; 56932d2282aSShahar S Matityahu 570ea7c2bfdSJohannes Berg static void iwl_read_prph_block(struct iwl_trans *trans, u32 start, 5717174beb6SJohannes Berg u32 len_bytes, __le32 *data) 5727174beb6SJohannes Berg { 5737174beb6SJohannes Berg u32 i; 5747174beb6SJohannes Berg 5757174beb6SJohannes Berg for (i = 0; i < len_bytes; i += 4) 5767174beb6SJohannes Berg *data++ = cpu_to_le32(iwl_read_prph_no_grab(trans, start + i)); 5777174beb6SJohannes Berg } 5787174beb6SJohannes Berg 5797e08baebSShahar S Matityahu static void iwl_dump_prph(struct iwl_fw_runtime *fwrt, 5807174beb6SJohannes Berg const struct iwl_prph_range *iwl_prph_dump_addr, 5817e08baebSShahar S Matityahu u32 range_len, void *ptr) 5827174beb6SJohannes Berg { 5837174beb6SJohannes Berg struct iwl_fw_error_dump_prph *prph; 5847e08baebSShahar S Matityahu struct iwl_trans *trans = fwrt->trans; 5857e08baebSShahar S Matityahu struct iwl_fw_error_dump_data **data = 5867e08baebSShahar S Matityahu (struct iwl_fw_error_dump_data **)ptr; 5877174beb6SJohannes Berg unsigned long flags; 5887174beb6SJohannes Berg u32 i; 5897174beb6SJohannes Berg 5907e08baebSShahar S Matityahu if (!data) 5917e08baebSShahar S Matityahu return; 5927e08baebSShahar S Matityahu 593b88beaf9SIlan Peer IWL_DEBUG_INFO(trans, "WRT PRPH dump\n"); 594b88beaf9SIlan Peer 5957174beb6SJohannes Berg if (!iwl_trans_grab_nic_access(trans, &flags)) 5967174beb6SJohannes Berg return; 5977174beb6SJohannes Berg 5987174beb6SJohannes Berg for (i = 0; i < range_len; i++) { 5997174beb6SJohannes Berg /* The range includes both boundaries */ 6007174beb6SJohannes Berg int num_bytes_in_chunk = iwl_prph_dump_addr[i].end - 6017174beb6SJohannes Berg iwl_prph_dump_addr[i].start + 4; 6027174beb6SJohannes Berg 6037174beb6SJohannes Berg (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH); 6047174beb6SJohannes Berg (*data)->len = cpu_to_le32(sizeof(*prph) + 6057174beb6SJohannes Berg num_bytes_in_chunk); 6067174beb6SJohannes Berg prph = (void *)(*data)->data; 6077174beb6SJohannes Berg prph->prph_start = cpu_to_le32(iwl_prph_dump_addr[i].start); 6087174beb6SJohannes Berg 609ea7c2bfdSJohannes Berg iwl_read_prph_block(trans, iwl_prph_dump_addr[i].start, 6107174beb6SJohannes Berg /* our range is inclusive, hence + 4 */ 6117174beb6SJohannes Berg iwl_prph_dump_addr[i].end - 6127174beb6SJohannes Berg iwl_prph_dump_addr[i].start + 4, 6137174beb6SJohannes Berg (void *)prph->data); 6147174beb6SJohannes Berg 6157174beb6SJohannes Berg *data = iwl_fw_error_next_data(*data); 6167174beb6SJohannes Berg } 6177174beb6SJohannes Berg 6187174beb6SJohannes Berg iwl_trans_release_nic_access(trans, &flags); 6197174beb6SJohannes Berg } 6207174beb6SJohannes Berg 6217174beb6SJohannes Berg /* 6227174beb6SJohannes Berg * alloc_sgtable - allocates scallerlist table in the given size, 6237174beb6SJohannes Berg * fills it with pages and returns it 6247174beb6SJohannes Berg * @size: the size (in bytes) of the table 6257174beb6SJohannes Berg */ 6267174beb6SJohannes Berg static struct scatterlist *alloc_sgtable(int size) 6277174beb6SJohannes Berg { 6287174beb6SJohannes Berg int alloc_size, nents, i; 6297174beb6SJohannes Berg struct page *new_page; 6307174beb6SJohannes Berg struct scatterlist *iter; 6317174beb6SJohannes Berg struct scatterlist *table; 6327174beb6SJohannes Berg 6337174beb6SJohannes Berg nents = DIV_ROUND_UP(size, PAGE_SIZE); 6347174beb6SJohannes Berg table = kcalloc(nents, sizeof(*table), GFP_KERNEL); 6357174beb6SJohannes Berg if (!table) 6367174beb6SJohannes Berg return NULL; 6377174beb6SJohannes Berg sg_init_table(table, nents); 6387174beb6SJohannes Berg iter = table; 6397174beb6SJohannes Berg for_each_sg(table, iter, sg_nents(table), i) { 6407174beb6SJohannes Berg new_page = alloc_page(GFP_KERNEL); 6417174beb6SJohannes Berg if (!new_page) { 6427174beb6SJohannes Berg /* release all previous allocated pages in the table */ 6437174beb6SJohannes Berg iter = table; 6447174beb6SJohannes Berg for_each_sg(table, iter, sg_nents(table), i) { 6457174beb6SJohannes Berg new_page = sg_page(iter); 6467174beb6SJohannes Berg if (new_page) 6477174beb6SJohannes Berg __free_page(new_page); 6487174beb6SJohannes Berg } 6497174beb6SJohannes Berg return NULL; 6507174beb6SJohannes Berg } 6517174beb6SJohannes Berg alloc_size = min_t(int, size, PAGE_SIZE); 6527174beb6SJohannes Berg size -= PAGE_SIZE; 6537174beb6SJohannes Berg sg_set_page(iter, new_page, alloc_size, 0); 6547174beb6SJohannes Berg } 6557174beb6SJohannes Berg return table; 6567174beb6SJohannes Berg } 6577174beb6SJohannes Berg 6587e08baebSShahar S Matityahu static void iwl_fw_get_prph_len(struct iwl_fw_runtime *fwrt, 6597e08baebSShahar S Matityahu const struct iwl_prph_range *iwl_prph_dump_addr, 6607e08baebSShahar S Matityahu u32 range_len, void *ptr) 661da752717SShahar S Matityahu { 6627e08baebSShahar S Matityahu u32 *prph_len = (u32 *)ptr; 6637e08baebSShahar S Matityahu int i, num_bytes_in_chunk; 664da752717SShahar S Matityahu 6657e08baebSShahar S Matityahu if (!prph_len) 6667e08baebSShahar S Matityahu return; 6677e08baebSShahar S Matityahu 6687e08baebSShahar S Matityahu for (i = 0; i < range_len; i++) { 669da752717SShahar S Matityahu /* The range includes both boundaries */ 6707e08baebSShahar S Matityahu num_bytes_in_chunk = 6717e08baebSShahar S Matityahu iwl_prph_dump_addr[i].end - 6727e08baebSShahar S Matityahu iwl_prph_dump_addr[i].start + 4; 673da752717SShahar S Matityahu 6747e08baebSShahar S Matityahu *prph_len += sizeof(struct iwl_fw_error_dump_data) + 675da752717SShahar S Matityahu sizeof(struct iwl_fw_error_dump_prph) + 676da752717SShahar S Matityahu num_bytes_in_chunk; 677da752717SShahar S Matityahu } 6787e08baebSShahar S Matityahu } 6797e08baebSShahar S Matityahu 6807e08baebSShahar S Matityahu static void iwl_fw_prph_handler(struct iwl_fw_runtime *fwrt, void *ptr, 6817e08baebSShahar S Matityahu void (*handler)(struct iwl_fw_runtime *, 6827e08baebSShahar S Matityahu const struct iwl_prph_range *, 6837e08baebSShahar S Matityahu u32, void *)) 6847e08baebSShahar S Matityahu { 6857e08baebSShahar S Matityahu u32 range_len; 6867e08baebSShahar S Matityahu 687d4f4793cSShaul Triebitz if (fwrt->trans->cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { 68832d2282aSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_ax210); 68932d2282aSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_ax210, range_len, ptr); 690d4f4793cSShaul Triebitz } else if (fwrt->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 6917e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_22000); 6927e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_22000, range_len, ptr); 6937e08baebSShahar S Matityahu } else { 6947e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_comm); 6957e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_comm, range_len, ptr); 696da752717SShahar S Matityahu 697da752717SShahar S Matityahu if (fwrt->trans->cfg->mq_rx_supported) { 6987e08baebSShahar S Matityahu range_len = ARRAY_SIZE(iwl_prph_dump_addr_9000); 6997e08baebSShahar S Matityahu handler(fwrt, iwl_prph_dump_addr_9000, range_len, ptr); 700da752717SShahar S Matityahu } 701da752717SShahar S Matityahu } 702da752717SShahar S Matityahu } 703da752717SShahar S Matityahu 704da752717SShahar S Matityahu static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt, 705da752717SShahar S Matityahu struct iwl_fw_error_dump_data **dump_data, 7067339cc29SSara Sharon u32 len, u32 ofs, u32 type) 707da752717SShahar S Matityahu { 708da752717SShahar S Matityahu struct iwl_fw_error_dump_mem *dump_mem; 709da752717SShahar S Matityahu 7107339cc29SSara Sharon if (!len) 7117339cc29SSara Sharon return; 712da752717SShahar S Matityahu 713da752717SShahar S Matityahu (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); 714da752717SShahar S Matityahu (*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem)); 715da752717SShahar S Matityahu dump_mem = (void *)(*dump_data)->data; 7167339cc29SSara Sharon dump_mem->type = cpu_to_le32(type); 717da752717SShahar S Matityahu dump_mem->offset = cpu_to_le32(ofs); 718da752717SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len); 719da752717SShahar S Matityahu *dump_data = iwl_fw_error_next_data(*dump_data); 720da752717SShahar S Matityahu 7217339cc29SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type); 722da752717SShahar S Matityahu } 723da752717SShahar S Matityahu 72468025d5fSSara Sharon #define ADD_LEN(len, item_len, const_len) \ 72568025d5fSSara Sharon do {size_t item = item_len; len += (!!item) * const_len + item; } \ 72668025d5fSSara Sharon while (0) 72768025d5fSSara Sharon 72832b258e9SSara Sharon static int iwl_fw_rxf_len(struct iwl_fw_runtime *fwrt, 72968025d5fSSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 73068025d5fSSara Sharon { 73168025d5fSSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 73268025d5fSSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 73368025d5fSSara Sharon u32 fifo_len = 0; 73468025d5fSSara Sharon int i; 73568025d5fSSara Sharon 736e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RXF)) 73732b258e9SSara Sharon return 0; 73868025d5fSSara Sharon 73968025d5fSSara Sharon /* Count RXF2 size */ 74068025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->rxfifo2_size, hdr_len); 74168025d5fSSara Sharon 74268025d5fSSara Sharon /* Count RXF1 sizes */ 743acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 744acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 745acf42a95SMordechay Goodstein 74668025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) 74768025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].rxfifo1_size, hdr_len); 74868025d5fSSara Sharon 74932b258e9SSara Sharon return fifo_len; 75032b258e9SSara Sharon } 75132b258e9SSara Sharon 75232b258e9SSara Sharon static int iwl_fw_txf_len(struct iwl_fw_runtime *fwrt, 75332b258e9SSara Sharon struct iwl_fwrt_shared_mem_cfg *mem_cfg) 75432b258e9SSara Sharon { 75532b258e9SSara Sharon size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) + 75632b258e9SSara Sharon sizeof(struct iwl_fw_error_dump_fifo); 75732b258e9SSara Sharon u32 fifo_len = 0; 75832b258e9SSara Sharon int i; 75932b258e9SSara Sharon 760e488e593SSara Sharon if (!iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) 76168025d5fSSara Sharon goto dump_internal_txf; 76268025d5fSSara Sharon 76368025d5fSSara Sharon /* Count TXF sizes */ 764acf42a95SMordechay Goodstein if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) 765acf42a95SMordechay Goodstein mem_cfg->num_lmacs = MAX_NUM_LMAC; 766acf42a95SMordechay Goodstein 76768025d5fSSara Sharon for (i = 0; i < mem_cfg->num_lmacs; i++) { 76868025d5fSSara Sharon int j; 76968025d5fSSara Sharon 77068025d5fSSara Sharon for (j = 0; j < mem_cfg->num_txfifo_entries; j++) 77168025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->lmac[i].txfifo_size[j], 77268025d5fSSara Sharon hdr_len); 77368025d5fSSara Sharon } 77468025d5fSSara Sharon 77568025d5fSSara Sharon dump_internal_txf: 776e488e593SSara Sharon if (!(iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_INTERNAL_TXF) && 77768025d5fSSara Sharon fw_has_capa(&fwrt->fw->ucode_capa, 77868025d5fSSara Sharon IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))) 77968025d5fSSara Sharon goto out; 78068025d5fSSara Sharon 78168025d5fSSara Sharon for (i = 0; i < ARRAY_SIZE(mem_cfg->internal_txfifo_size); i++) 78268025d5fSSara Sharon ADD_LEN(fifo_len, mem_cfg->internal_txfifo_size[i], hdr_len); 78368025d5fSSara Sharon 78468025d5fSSara Sharon out: 78568025d5fSSara Sharon return fifo_len; 78668025d5fSSara Sharon } 78768025d5fSSara Sharon 78856b657f7SSara Sharon static void iwl_dump_paging(struct iwl_fw_runtime *fwrt, 78956b657f7SSara Sharon struct iwl_fw_error_dump_data **data) 79056b657f7SSara Sharon { 79156b657f7SSara Sharon int i; 79256b657f7SSara Sharon 79356b657f7SSara Sharon IWL_DEBUG_INFO(fwrt, "WRT paging dump\n"); 79456b657f7SSara Sharon for (i = 1; i < fwrt->num_of_paging_blk + 1; i++) { 79556b657f7SSara Sharon struct iwl_fw_error_dump_paging *paging; 79656b657f7SSara Sharon struct page *pages = 79756b657f7SSara Sharon fwrt->fw_paging_db[i].fw_paging_block; 79856b657f7SSara Sharon dma_addr_t addr = fwrt->fw_paging_db[i].fw_paging_phys; 79956b657f7SSara Sharon 80056b657f7SSara Sharon (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING); 80156b657f7SSara Sharon (*data)->len = cpu_to_le32(sizeof(*paging) + 80256b657f7SSara Sharon PAGING_BLOCK_SIZE); 80356b657f7SSara Sharon paging = (void *)(*data)->data; 80456b657f7SSara Sharon paging->index = cpu_to_le32(i); 80556b657f7SSara Sharon dma_sync_single_for_cpu(fwrt->trans->dev, addr, 80656b657f7SSara Sharon PAGING_BLOCK_SIZE, 80756b657f7SSara Sharon DMA_BIDIRECTIONAL); 80856b657f7SSara Sharon memcpy(paging->data, page_address(pages), 80956b657f7SSara Sharon PAGING_BLOCK_SIZE); 8107e316572SShahar S Matityahu dma_sync_single_for_device(fwrt->trans->dev, addr, 8117e316572SShahar S Matityahu PAGING_BLOCK_SIZE, 8127e316572SShahar S Matityahu DMA_BIDIRECTIONAL); 81356b657f7SSara Sharon (*data) = iwl_fw_error_next_data(*data); 81456b657f7SSara Sharon } 81556b657f7SSara Sharon } 81656b657f7SSara Sharon 817a6820511SSara Sharon static struct iwl_fw_error_dump_file * 8184b49e34eSShahar S Matityahu iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt, 819a6820511SSara Sharon struct iwl_fw_dump_ptrs *fw_error_dump) 8207174beb6SJohannes Berg { 8217174beb6SJohannes Berg struct iwl_fw_error_dump_file *dump_file; 8227174beb6SJohannes Berg struct iwl_fw_error_dump_data *dump_data; 8237174beb6SJohannes Berg struct iwl_fw_error_dump_info *dump_info; 824ce27f005SGolan Ben-Ami struct iwl_fw_error_dump_smem_cfg *dump_smem_cfg; 8257174beb6SJohannes Berg struct iwl_fw_error_dump_trigger_desc *dump_trig; 8267174beb6SJohannes Berg u32 sram_len, sram_ofs; 82768025d5fSSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_mem = fwrt->fw->dbg.mem_tlv; 828ce27f005SGolan Ben-Ami struct iwl_fwrt_shared_mem_cfg *mem_cfg = &fwrt->smem_cfg; 82968025d5fSSara Sharon u32 file_len, fifo_len = 0, prph_len = 0, radio_len = 0; 83017b809c9SSara Sharon u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->smem_len; 83117b809c9SSara Sharon u32 sram2_len = fwrt->fw->dbg.n_mem_tlv ? 8327174beb6SJohannes Berg 0 : fwrt->trans->cfg->dccm2_len; 8337174beb6SJohannes Berg int i; 8347174beb6SJohannes Berg 8357174beb6SJohannes Berg /* SRAM - include stack CCM if driver knows the values for it */ 8367174beb6SJohannes Berg if (!fwrt->trans->cfg->dccm_offset || !fwrt->trans->cfg->dccm_len) { 8377174beb6SJohannes Berg const struct fw_img *img; 8387174beb6SJohannes Berg 839162b22c9SLiad Kaufman if (fwrt->cur_fw_img >= IWL_UCODE_TYPE_MAX) 840162b22c9SLiad Kaufman return NULL; 8417174beb6SJohannes Berg img = &fwrt->fw->img[fwrt->cur_fw_img]; 8427174beb6SJohannes Berg sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 8437174beb6SJohannes Berg sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; 8447174beb6SJohannes Berg } else { 8457174beb6SJohannes Berg sram_ofs = fwrt->trans->cfg->dccm_offset; 8467174beb6SJohannes Berg sram_len = fwrt->trans->cfg->dccm_len; 8477174beb6SJohannes Berg } 8487174beb6SJohannes Berg 8497174beb6SJohannes Berg /* reading RXF/TXF sizes */ 8507174beb6SJohannes Berg if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) { 85132b258e9SSara Sharon fifo_len = iwl_fw_rxf_len(fwrt, mem_cfg); 85232b258e9SSara Sharon fifo_len += iwl_fw_txf_len(fwrt, mem_cfg); 8537174beb6SJohannes Berg 8547174beb6SJohannes Berg /* Make room for PRPH registers */ 8557e08baebSShahar S Matityahu if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PRPH)) 8567e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &prph_len, 8577e08baebSShahar S Matityahu iwl_fw_get_prph_len); 8587174beb6SJohannes Berg 859520f03eaSShahar S Matityahu if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000 && 860e488e593SSara Sharon iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RADIO_REG)) 8617174beb6SJohannes Berg radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ; 8627174beb6SJohannes Berg } 8637174beb6SJohannes Berg 86468025d5fSSara Sharon file_len = sizeof(*dump_file) + fifo_len + prph_len + radio_len; 8657174beb6SJohannes Berg 866e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) 867520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_info); 868e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) 869520f03eaSShahar S Matityahu file_len += sizeof(*dump_data) + sizeof(*dump_smem_cfg); 870520f03eaSShahar S Matityahu 871e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 87268025d5fSSara Sharon size_t hdr_len = sizeof(*dump_data) + 873da752717SShahar S Matityahu sizeof(struct iwl_fw_error_dump_mem); 8747174beb6SJohannes Berg 87568025d5fSSara Sharon /* Dump SRAM only if no mem_tlvs */ 87668025d5fSSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 87768025d5fSSara Sharon ADD_LEN(file_len, sram_len, hdr_len); 8787174beb6SJohannes Berg 87968025d5fSSara Sharon /* Make room for all mem types that exist */ 88068025d5fSSara Sharon ADD_LEN(file_len, smem_len, hdr_len); 88168025d5fSSara Sharon ADD_LEN(file_len, sram2_len, hdr_len); 88268025d5fSSara Sharon 88368025d5fSSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) 88468025d5fSSara Sharon ADD_LEN(file_len, le32_to_cpu(fw_mem[i].len), hdr_len); 885520f03eaSShahar S Matityahu } 8867174beb6SJohannes Berg 8877174beb6SJohannes Berg /* Make room for fw's virtual image pages, if it exists */ 88856b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 8897174beb6SJohannes Berg file_len += fwrt->num_of_paging_blk * 8907174beb6SJohannes Berg (sizeof(*dump_data) + 8917174beb6SJohannes Berg sizeof(struct iwl_fw_error_dump_paging) + 8927174beb6SJohannes Berg PAGING_BLOCK_SIZE); 8937174beb6SJohannes Berg 8942d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 8952d8c2615SShahar S Matityahu file_len += sizeof(*dump_data) + 8962d8c2615SShahar S Matityahu fwrt->trans->cfg->d3_debug_data_length * 2; 8972d8c2615SShahar S Matityahu } 8982d8c2615SShahar S Matityahu 8997174beb6SJohannes Berg /* If we only want a monitor dump, reset the file length */ 900124e0ebaSSara Sharon if (fwrt->dump.monitor_only) { 901ce27f005SGolan Ben-Ami file_len = sizeof(*dump_file) + sizeof(*dump_data) * 2 + 902ce27f005SGolan Ben-Ami sizeof(*dump_info) + sizeof(*dump_smem_cfg); 9037174beb6SJohannes Berg } 9047174beb6SJohannes Berg 905e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 906520f03eaSShahar S Matityahu fwrt->dump.desc) 9077174beb6SJohannes Berg file_len += sizeof(*dump_data) + sizeof(*dump_trig) + 9087174beb6SJohannes Berg fwrt->dump.desc->len; 9097174beb6SJohannes Berg 9107174beb6SJohannes Berg dump_file = vzalloc(file_len); 911a6820511SSara Sharon if (!dump_file) 912a6820511SSara Sharon return NULL; 9137174beb6SJohannes Berg 9147174beb6SJohannes Berg fw_error_dump->fwrt_ptr = dump_file; 9157174beb6SJohannes Berg 9167174beb6SJohannes Berg dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); 9177174beb6SJohannes Berg dump_data = (void *)dump_file->data; 9187174beb6SJohannes Berg 919e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_DEV_FW_INFO)) { 9207174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); 9217174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_info)); 9227174beb6SJohannes Berg dump_info = (void *)dump_data->data; 923391481adSShahar S Matityahu dump_info->hw_type = 924391481adSShahar S Matityahu cpu_to_le32(CSR_HW_REV_TYPE(fwrt->trans->hw_rev)); 925520f03eaSShahar S Matityahu dump_info->hw_step = 926520f03eaSShahar S Matityahu cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev)); 9277174beb6SJohannes Berg memcpy(dump_info->fw_human_readable, fwrt->fw->human_readable, 9287174beb6SJohannes Berg sizeof(dump_info->fw_human_readable)); 9297174beb6SJohannes Berg strncpy(dump_info->dev_human_readable, fwrt->trans->cfg->name, 930520f03eaSShahar S Matityahu sizeof(dump_info->dev_human_readable) - 1); 9317174beb6SJohannes Berg strncpy(dump_info->bus_human_readable, fwrt->dev->bus->name, 932520f03eaSShahar S Matityahu sizeof(dump_info->bus_human_readable) - 1); 933d3561e0eSShahar S Matityahu dump_info->num_of_lmacs = fwrt->smem_cfg.num_lmacs; 934d3561e0eSShahar S Matityahu dump_info->lmac_err_id[0] = 935d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[0]); 936d3561e0eSShahar S Matityahu if (fwrt->smem_cfg.num_lmacs > 1) 937d3561e0eSShahar S Matityahu dump_info->lmac_err_id[1] = 938d3561e0eSShahar S Matityahu cpu_to_le32(fwrt->dump.lmac_err_id[1]); 939d3561e0eSShahar S Matityahu dump_info->umac_err_id = cpu_to_le32(fwrt->dump.umac_err_id); 9407174beb6SJohannes Berg 9417174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 942520f03eaSShahar S Matityahu } 943ce27f005SGolan Ben-Ami 944e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM_CFG)) { 945ce27f005SGolan Ben-Ami /* Dump shared memory configuration */ 946ce27f005SGolan Ben-Ami dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_CFG); 947ce27f005SGolan Ben-Ami dump_data->len = cpu_to_le32(sizeof(*dump_smem_cfg)); 948ce27f005SGolan Ben-Ami dump_smem_cfg = (void *)dump_data->data; 949ce27f005SGolan Ben-Ami dump_smem_cfg->num_lmacs = cpu_to_le32(mem_cfg->num_lmacs); 950ce27f005SGolan Ben-Ami dump_smem_cfg->num_txfifo_entries = 951ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->num_txfifo_entries); 952ce27f005SGolan Ben-Ami for (i = 0; i < MAX_NUM_LMAC; i++) { 953ce27f005SGolan Ben-Ami int j; 954520f03eaSShahar S Matityahu u32 *txf_size = mem_cfg->lmac[i].txfifo_size; 955ce27f005SGolan Ben-Ami 956ce27f005SGolan Ben-Ami for (j = 0; j < TX_FIFO_MAX_NUM; j++) 957ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].txfifo_size[j] = 958520f03eaSShahar S Matityahu cpu_to_le32(txf_size[j]); 959ce27f005SGolan Ben-Ami dump_smem_cfg->lmac[i].rxfifo1_size = 960ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->lmac[i].rxfifo1_size); 961ce27f005SGolan Ben-Ami } 962520f03eaSShahar S Matityahu dump_smem_cfg->rxfifo2_size = 963520f03eaSShahar S Matityahu cpu_to_le32(mem_cfg->rxfifo2_size); 964ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_addr = 965ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_addr); 966ce27f005SGolan Ben-Ami for (i = 0; i < TX_FIFO_INTERNAL_MAX_NUM; i++) { 967ce27f005SGolan Ben-Ami dump_smem_cfg->internal_txfifo_size[i] = 968ce27f005SGolan Ben-Ami cpu_to_le32(mem_cfg->internal_txfifo_size[i]); 969ce27f005SGolan Ben-Ami } 970ce27f005SGolan Ben-Ami 971ce27f005SGolan Ben-Ami dump_data = iwl_fw_error_next_data(dump_data); 972520f03eaSShahar S Matityahu } 973ce27f005SGolan Ben-Ami 9747174beb6SJohannes Berg /* We only dump the FIFOs if the FW is in error state */ 97568025d5fSSara Sharon if (fifo_len) { 97632b258e9SSara Sharon iwl_fw_dump_rxf(fwrt, &dump_data); 97732b258e9SSara Sharon iwl_fw_dump_txf(fwrt, &dump_data); 97856fe12d2SShahar S Matityahu } 97956fe12d2SShahar S Matityahu 9807174beb6SJohannes Berg if (radio_len) 9817174beb6SJohannes Berg iwl_read_radio_regs(fwrt, &dump_data); 9827174beb6SJohannes Berg 983e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && 984520f03eaSShahar S Matityahu fwrt->dump.desc) { 9857174beb6SJohannes Berg dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); 9867174beb6SJohannes Berg dump_data->len = cpu_to_le32(sizeof(*dump_trig) + 9877174beb6SJohannes Berg fwrt->dump.desc->len); 9887174beb6SJohannes Berg dump_trig = (void *)dump_data->data; 9897174beb6SJohannes Berg memcpy(dump_trig, &fwrt->dump.desc->trig_desc, 9907174beb6SJohannes Berg sizeof(*dump_trig) + fwrt->dump.desc->len); 9917174beb6SJohannes Berg 9927174beb6SJohannes Berg dump_data = iwl_fw_error_next_data(dump_data); 9937174beb6SJohannes Berg } 9947174beb6SJohannes Berg 9957174beb6SJohannes Berg /* In case we only want monitor dump, skip to dump trasport data */ 996124e0ebaSSara Sharon if (fwrt->dump.monitor_only) 997a6820511SSara Sharon goto out; 9987174beb6SJohannes Berg 999e488e593SSara Sharon if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { 10007339cc29SSara Sharon const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = 10017339cc29SSara Sharon fwrt->fw->dbg.mem_tlv; 1002da752717SShahar S Matityahu 10037339cc29SSara Sharon if (!fwrt->fw->dbg.n_mem_tlv) 10047339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram_len, sram_ofs, 10057339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 10067339cc29SSara Sharon 10077339cc29SSara Sharon for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) { 10087339cc29SSara Sharon u32 len = le32_to_cpu(fw_dbg_mem[i].len); 10097339cc29SSara Sharon u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs); 10107339cc29SSara Sharon 10117339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, len, ofs, 10127339cc29SSara Sharon le32_to_cpu(fw_dbg_mem[i].data_type)); 10137339cc29SSara Sharon } 10147339cc29SSara Sharon 10157339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, smem_len, 10167339cc29SSara Sharon fwrt->trans->cfg->smem_offset, 10177339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SMEM); 10187339cc29SSara Sharon 10197339cc29SSara Sharon iwl_fw_dump_mem(fwrt, &dump_data, sram2_len, 10207339cc29SSara Sharon fwrt->trans->cfg->dccm2_offset, 10217339cc29SSara Sharon IWL_FW_ERROR_DUMP_MEM_SRAM); 10227339cc29SSara Sharon } 10237174beb6SJohannes Berg 10242d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { 10252d8c2615SShahar S Matityahu u32 addr = fwrt->trans->cfg->d3_debug_data_base_addr; 10262d8c2615SShahar S Matityahu size_t data_size = fwrt->trans->cfg->d3_debug_data_length; 10272d8c2615SShahar S Matityahu 10282d8c2615SShahar S Matityahu dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); 10292d8c2615SShahar S Matityahu dump_data->len = cpu_to_le32(data_size * 2); 10302d8c2615SShahar S Matityahu 1031da752717SShahar S Matityahu memcpy(dump_data->data, fwrt->dump.d3_debug_data, data_size); 10322d8c2615SShahar S Matityahu 10332d8c2615SShahar S Matityahu kfree(fwrt->dump.d3_debug_data); 10342d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = NULL; 10352d8c2615SShahar S Matityahu 10362d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr, 10372d8c2615SShahar S Matityahu dump_data->data + data_size, 10382d8c2615SShahar S Matityahu data_size); 10392d8c2615SShahar S Matityahu 10402d8c2615SShahar S Matityahu dump_data = iwl_fw_error_next_data(dump_data); 10412d8c2615SShahar S Matityahu } 10422d8c2615SShahar S Matityahu 10437174beb6SJohannes Berg /* Dump fw's virtual image */ 104456b657f7SSara Sharon if (iwl_fw_dbg_is_paging_enabled(fwrt)) 104556b657f7SSara Sharon iwl_dump_paging(fwrt, &dump_data); 10467174beb6SJohannes Berg 10477e08baebSShahar S Matityahu if (prph_len) 10487e08baebSShahar S Matityahu iwl_fw_prph_handler(fwrt, &dump_data, iwl_dump_prph); 10497174beb6SJohannes Berg 1050a6820511SSara Sharon out: 1051a6820511SSara Sharon dump_file->file_len = cpu_to_le32(file_len); 1052a6820511SSara Sharon return dump_file; 1053a6820511SSara Sharon } 1054a6820511SSara Sharon 10558d534e96SShahar S Matityahu static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, 10568d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10571a6c8bb7SShahar S Matityahu void *range_ptr, int idx) 10588d534e96SShahar S Matityahu { 10591a6c8bb7SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 10608d534e96SShahar S Matityahu __le32 *val = range->data; 10619802162fSShahar S Matityahu u32 prph_val; 10629802162fSShahar S Matityahu u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); 10638d534e96SShahar S Matityahu int i; 10648d534e96SShahar S Matityahu 106597319355SShahar S Matityahu range->internal_base_addr = cpu_to_le32(addr); 10668d534e96SShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 10678d534e96SShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { 10689802162fSShahar S Matityahu prph_val = iwl_read_prph(fwrt->trans, addr + i); 10698d534e96SShahar S Matityahu if (prph_val == 0x5a5a5a5a) 10701b64d58bSShahar S Matityahu return -EBUSY; 10718d534e96SShahar S Matityahu *val++ = cpu_to_le32(prph_val); 10728d534e96SShahar S Matityahu } 10731a6c8bb7SShahar S Matityahu 10741a6c8bb7SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 10758d534e96SShahar S Matityahu } 10768d534e96SShahar S Matityahu 1077f4f907aaSShahar S Matityahu static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, 1078f4f907aaSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10791a6c8bb7SShahar S Matityahu void *range_ptr, int idx) 1080f4f907aaSShahar S Matityahu { 10811a6c8bb7SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 1082f4f907aaSShahar S Matityahu __le32 *val = range->data; 10839802162fSShahar S Matityahu u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); 1084f4f907aaSShahar S Matityahu int i; 1085f4f907aaSShahar S Matityahu 108697319355SShahar S Matityahu range->internal_base_addr = cpu_to_le32(addr); 1087f4f907aaSShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 10889802162fSShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) 10899802162fSShahar S Matityahu *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, addr + i)); 10901a6c8bb7SShahar S Matityahu 10911a6c8bb7SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 1092f4f907aaSShahar S Matityahu } 1093f4f907aaSShahar S Matityahu 10946e9f8f99SShahar S Matityahu static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, 10956e9f8f99SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 10961a6c8bb7SShahar S Matityahu void *range_ptr, int idx) 10976e9f8f99SShahar S Matityahu { 10981a6c8bb7SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 10999802162fSShahar S Matityahu u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); 11006e9f8f99SShahar S Matityahu 110197319355SShahar S Matityahu range->internal_base_addr = cpu_to_le32(addr); 11026e9f8f99SShahar S Matityahu range->range_data_size = reg->internal.range_data_size; 11039802162fSShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, 11046e9f8f99SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size)); 11051a6c8bb7SShahar S Matityahu 11061a6c8bb7SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 11076e9f8f99SShahar S Matityahu } 11086e9f8f99SShahar S Matityahu 1109505a00c0SShahar S Matityahu static int 1110505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_iter(struct iwl_fw_runtime *fwrt, 1111505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 11121a6c8bb7SShahar S Matityahu void *range_ptr, int idx) 1113505a00c0SShahar S Matityahu { 11141a6c8bb7SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 1115505a00c0SShahar S Matityahu u32 page_size = fwrt->trans->init_dram.paging[idx].size; 1116505a00c0SShahar S Matityahu 111797319355SShahar S Matityahu range->page_num = cpu_to_le32(idx); 1118505a00c0SShahar S Matityahu range->range_data_size = cpu_to_le32(page_size); 1119505a00c0SShahar S Matityahu memcpy(range->data, fwrt->trans->init_dram.paging[idx].block, 1120505a00c0SShahar S Matityahu page_size); 11211a6c8bb7SShahar S Matityahu 11221a6c8bb7SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 1123505a00c0SShahar S Matityahu } 1124505a00c0SShahar S Matityahu 1125505a00c0SShahar S Matityahu static int iwl_dump_ini_paging_iter(struct iwl_fw_runtime *fwrt, 1126505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 11271a6c8bb7SShahar S Matityahu void *range_ptr, int idx) 1128505a00c0SShahar S Matityahu { 1129505a00c0SShahar S Matityahu /* increase idx by 1 since the pages are from 1 to 1130505a00c0SShahar S Matityahu * fwrt->num_of_paging_blk + 1 1131505a00c0SShahar S Matityahu */ 1132505a00c0SShahar S Matityahu struct page *page = fwrt->fw_paging_db[++idx].fw_paging_block; 11331a6c8bb7SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 1134505a00c0SShahar S Matityahu dma_addr_t addr = fwrt->fw_paging_db[idx].fw_paging_phys; 1135505a00c0SShahar S Matityahu u32 page_size = fwrt->fw_paging_db[idx].fw_paging_size; 1136505a00c0SShahar S Matityahu 113797319355SShahar S Matityahu range->page_num = cpu_to_le32(idx); 1138505a00c0SShahar S Matityahu range->range_data_size = cpu_to_le32(page_size); 1139505a00c0SShahar S Matityahu dma_sync_single_for_cpu(fwrt->trans->dev, addr, page_size, 1140505a00c0SShahar S Matityahu DMA_BIDIRECTIONAL); 1141505a00c0SShahar S Matityahu memcpy(range->data, page_address(page), page_size); 1142505a00c0SShahar S Matityahu dma_sync_single_for_device(fwrt->trans->dev, addr, page_size, 1143505a00c0SShahar S Matityahu DMA_BIDIRECTIONAL); 11441a6c8bb7SShahar S Matityahu 11451a6c8bb7SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 1146505a00c0SShahar S Matityahu } 1147505a00c0SShahar S Matityahu 1148106b791aSShahar S Matityahu static int 1149106b791aSShahar S Matityahu iwl_dump_ini_mon_dram_iter(struct iwl_fw_runtime *fwrt, 11501a6c8bb7SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, void *range_ptr, 1151106b791aSShahar S Matityahu int idx) 1152106b791aSShahar S Matityahu { 11531a6c8bb7SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 1154ea695b7cSShaul Triebitz u32 start_addr = iwl_read_umac_prph(fwrt->trans, 1155ea695b7cSShaul Triebitz MON_BUFF_BASE_ADDR_VER2); 1156106b791aSShahar S Matityahu 1157106b791aSShahar S Matityahu if (start_addr == 0x5a5a5a5a) 11581b64d58bSShahar S Matityahu return -EBUSY; 1159106b791aSShahar S Matityahu 116097319355SShahar S Matityahu range->dram_base_addr = cpu_to_le64(start_addr); 116191c28b83SShahar S Matityahu range->range_data_size = cpu_to_le32(fwrt->trans->dbg.fw_mon[idx].size); 1162106b791aSShahar S Matityahu 116391c28b83SShahar S Matityahu memcpy(range->data, fwrt->trans->dbg.fw_mon[idx].block, 116491c28b83SShahar S Matityahu fwrt->trans->dbg.fw_mon[idx].size); 1165106b791aSShahar S Matityahu 11661a6c8bb7SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 1167106b791aSShahar S Matityahu } 1168106b791aSShahar S Matityahu 11691b64d58bSShahar S Matityahu static bool iwl_ini_txf_iter(struct iwl_fw_runtime *fwrt, 1170d4c444efSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, int idx) 11711b64d58bSShahar S Matityahu { 1172d4c444efSShahar S Matityahu struct iwl_txf_iter_data *iter = &fwrt->dump.txf_iter_data; 11731b64d58bSShahar S Matityahu struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; 11741b64d58bSShahar S Matityahu int txf_num = cfg->num_txfifo_entries; 11751b64d58bSShahar S Matityahu int int_txf_num = ARRAY_SIZE(cfg->internal_txfifo_size); 11761b64d58bSShahar S Matityahu u32 lmac_bitmap = le32_to_cpu(reg->fifos.fid1); 11771b64d58bSShahar S Matityahu 1178d4c444efSShahar S Matityahu if (!idx) { 11791b64d58bSShahar S Matityahu if (le32_to_cpu(reg->offset) && 11801b64d58bSShahar S Matityahu WARN_ONCE(cfg->num_lmacs == 1, 11811b64d58bSShahar S Matityahu "Invalid lmac offset: 0x%x\n", 11821b64d58bSShahar S Matityahu le32_to_cpu(reg->offset))) 11831b64d58bSShahar S Matityahu return false; 11841b64d58bSShahar S Matityahu 1185d4c444efSShahar S Matityahu iter->internal_txf = 0; 11861b64d58bSShahar S Matityahu iter->fifo_size = 0; 11871b64d58bSShahar S Matityahu iter->fifo = -1; 11881b64d58bSShahar S Matityahu if (le32_to_cpu(reg->offset)) 11891b64d58bSShahar S Matityahu iter->lmac = 1; 11901b64d58bSShahar S Matityahu else 11911b64d58bSShahar S Matityahu iter->lmac = 0; 11921b64d58bSShahar S Matityahu } 11931b64d58bSShahar S Matityahu 11941b64d58bSShahar S Matityahu if (!iter->internal_txf) 11951b64d58bSShahar S Matityahu for (iter->fifo++; iter->fifo < txf_num; iter->fifo++) { 11961b64d58bSShahar S Matityahu iter->fifo_size = 11971b64d58bSShahar S Matityahu cfg->lmac[iter->lmac].txfifo_size[iter->fifo]; 11981b64d58bSShahar S Matityahu if (iter->fifo_size && (lmac_bitmap & BIT(iter->fifo))) 11991b64d58bSShahar S Matityahu return true; 12001b64d58bSShahar S Matityahu } 12011b64d58bSShahar S Matityahu 1202d4c444efSShahar S Matityahu iter->internal_txf = 1; 12031b64d58bSShahar S Matityahu 12041b64d58bSShahar S Matityahu if (!fw_has_capa(&fwrt->fw->ucode_capa, 12051b64d58bSShahar S Matityahu IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) 12061b64d58bSShahar S Matityahu return false; 12071b64d58bSShahar S Matityahu 12081b64d58bSShahar S Matityahu for (iter->fifo++; iter->fifo < int_txf_num + txf_num; iter->fifo++) { 12091b64d58bSShahar S Matityahu iter->fifo_size = 12101b64d58bSShahar S Matityahu cfg->internal_txfifo_size[iter->fifo - txf_num]; 12111b64d58bSShahar S Matityahu if (iter->fifo_size && (lmac_bitmap & BIT(iter->fifo))) 12121b64d58bSShahar S Matityahu return true; 12131b64d58bSShahar S Matityahu } 12141b64d58bSShahar S Matityahu 12151b64d58bSShahar S Matityahu return false; 12161b64d58bSShahar S Matityahu } 12171b64d58bSShahar S Matityahu 12181b64d58bSShahar S Matityahu static int iwl_dump_ini_txf_iter(struct iwl_fw_runtime *fwrt, 12191b64d58bSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 12201b64d58bSShahar S Matityahu void *range_ptr, int idx) 12211b64d58bSShahar S Matityahu { 122297319355SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 1223d4c444efSShahar S Matityahu struct iwl_txf_iter_data *iter = &fwrt->dump.txf_iter_data; 122460eeaf57SShahar S Matityahu struct iwl_fw_ini_error_dump_register *reg_dump = (void *)range->data; 12251b64d58bSShahar S Matityahu u32 offs = le32_to_cpu(reg->offset), addr; 12261b64d58bSShahar S Matityahu u32 registers_size = 122760eeaf57SShahar S Matityahu le32_to_cpu(reg->fifos.num_of_registers) * sizeof(*reg_dump); 122860eeaf57SShahar S Matityahu __le32 *data; 12291b64d58bSShahar S Matityahu unsigned long flags; 12301b64d58bSShahar S Matityahu int i; 12311b64d58bSShahar S Matityahu 1232d4c444efSShahar S Matityahu if (!iwl_ini_txf_iter(fwrt, reg, idx)) 12331b64d58bSShahar S Matityahu return -EIO; 12341b64d58bSShahar S Matityahu 12351b64d58bSShahar S Matityahu if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) 12361b64d58bSShahar S Matityahu return -EBUSY; 12371b64d58bSShahar S Matityahu 123897319355SShahar S Matityahu range->fifo_hdr.fifo_num = cpu_to_le32(iter->fifo); 123997319355SShahar S Matityahu range->fifo_hdr.num_of_registers = reg->fifos.num_of_registers; 12401b64d58bSShahar S Matityahu range->range_data_size = cpu_to_le32(iter->fifo_size + registers_size); 12411b64d58bSShahar S Matityahu 12421b64d58bSShahar S Matityahu iwl_write_prph_no_grab(fwrt->trans, TXF_LARC_NUM + offs, iter->fifo); 12431b64d58bSShahar S Matityahu 124460eeaf57SShahar S Matityahu /* 124560eeaf57SShahar S Matityahu * read txf registers. for each register, write to the dump the 124660eeaf57SShahar S Matityahu * register address and its value 124760eeaf57SShahar S Matityahu */ 12481b64d58bSShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->fifos.num_of_registers); i++) { 12491b64d58bSShahar S Matityahu addr = le32_to_cpu(reg->start_addr[i]) + offs; 12501b64d58bSShahar S Matityahu 125160eeaf57SShahar S Matityahu reg_dump->addr = cpu_to_le32(addr); 125260eeaf57SShahar S Matityahu reg_dump->data = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, 125360eeaf57SShahar S Matityahu addr)); 125460eeaf57SShahar S Matityahu 125560eeaf57SShahar S Matityahu reg_dump++; 12561b64d58bSShahar S Matityahu } 12571b64d58bSShahar S Matityahu 12581b64d58bSShahar S Matityahu if (reg->fifos.header_only) { 12591b64d58bSShahar S Matityahu range->range_data_size = cpu_to_le32(registers_size); 12601b64d58bSShahar S Matityahu goto out; 12611b64d58bSShahar S Matityahu } 12621b64d58bSShahar S Matityahu 12631b64d58bSShahar S Matityahu /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */ 12641b64d58bSShahar S Matityahu iwl_write_prph_no_grab(fwrt->trans, TXF_READ_MODIFY_ADDR + offs, 12651b64d58bSShahar S Matityahu TXF_WR_PTR + offs); 12661b64d58bSShahar S Matityahu 12671b64d58bSShahar S Matityahu /* Dummy-read to advance the read pointer to the head */ 12681b64d58bSShahar S Matityahu iwl_read_prph_no_grab(fwrt->trans, TXF_READ_MODIFY_DATA + offs); 12691b64d58bSShahar S Matityahu 12701b64d58bSShahar S Matityahu /* Read FIFO */ 12711b64d58bSShahar S Matityahu addr = TXF_READ_MODIFY_DATA + offs; 127260eeaf57SShahar S Matityahu data = (void *)reg_dump; 127360eeaf57SShahar S Matityahu for (i = 0; i < iter->fifo_size; i += sizeof(*data)) 127460eeaf57SShahar S Matityahu *data++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); 12751b64d58bSShahar S Matityahu 12761b64d58bSShahar S Matityahu out: 12771b64d58bSShahar S Matityahu iwl_trans_release_nic_access(fwrt->trans, &flags); 12781b64d58bSShahar S Matityahu 12791b64d58bSShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 12801b64d58bSShahar S Matityahu } 12811b64d58bSShahar S Matityahu 12828d7dea25SShahar S Matityahu struct iwl_ini_rxf_data { 12838d7dea25SShahar S Matityahu u32 fifo_num; 12848d7dea25SShahar S Matityahu u32 size; 12858d7dea25SShahar S Matityahu u32 offset; 12868d7dea25SShahar S Matityahu }; 12878d7dea25SShahar S Matityahu 12888d7dea25SShahar S Matityahu static void iwl_ini_get_rxf_data(struct iwl_fw_runtime *fwrt, 12898d7dea25SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 12908d7dea25SShahar S Matityahu struct iwl_ini_rxf_data *data) 12918d7dea25SShahar S Matityahu { 12928d7dea25SShahar S Matityahu u32 fid1 = le32_to_cpu(reg->fifos.fid1); 12938d7dea25SShahar S Matityahu u32 fid2 = le32_to_cpu(reg->fifos.fid2); 12948d7dea25SShahar S Matityahu u32 fifo_idx; 12958d7dea25SShahar S Matityahu 12968d7dea25SShahar S Matityahu if (!data) 12978d7dea25SShahar S Matityahu return; 12988d7dea25SShahar S Matityahu 12998d7dea25SShahar S Matityahu memset(data, 0, sizeof(*data)); 13008d7dea25SShahar S Matityahu 13018d7dea25SShahar S Matityahu if (WARN_ON_ONCE((fid1 && fid2) || (!fid1 && !fid2))) 13028d7dea25SShahar S Matityahu return; 13038d7dea25SShahar S Matityahu 13048d7dea25SShahar S Matityahu fifo_idx = ffs(fid1) - 1; 13058d7dea25SShahar S Matityahu if (fid1 && !WARN_ON_ONCE((~BIT(fifo_idx) & fid1) || 13068d7dea25SShahar S Matityahu fifo_idx >= MAX_NUM_LMAC)) { 13078d7dea25SShahar S Matityahu data->size = fwrt->smem_cfg.lmac[fifo_idx].rxfifo1_size; 13088d7dea25SShahar S Matityahu data->fifo_num = fifo_idx; 13098d7dea25SShahar S Matityahu return; 13108d7dea25SShahar S Matityahu } 13118d7dea25SShahar S Matityahu 13128d7dea25SShahar S Matityahu fifo_idx = ffs(fid2) - 1; 13138d7dea25SShahar S Matityahu if (fid2 && !WARN_ON_ONCE(fifo_idx != 0)) { 13148d7dea25SShahar S Matityahu data->size = fwrt->smem_cfg.rxfifo2_size; 13158d7dea25SShahar S Matityahu data->offset = RXF_DIFF_FROM_PREV; 13168d7dea25SShahar S Matityahu /* use bit 31 to distinguish between umac and lmac rxf while 13178d7dea25SShahar S Matityahu * parsing the dump 13188d7dea25SShahar S Matityahu */ 13198d7dea25SShahar S Matityahu data->fifo_num = fifo_idx | IWL_RXF_UMAC_BIT; 13208d7dea25SShahar S Matityahu return; 13218d7dea25SShahar S Matityahu } 13228d7dea25SShahar S Matityahu } 13238d7dea25SShahar S Matityahu 13248d7dea25SShahar S Matityahu static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, 13258d7dea25SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 13268d7dea25SShahar S Matityahu void *range_ptr, int idx) 13278d7dea25SShahar S Matityahu { 132897319355SShahar S Matityahu struct iwl_fw_ini_error_dump_range *range = range_ptr; 13298d7dea25SShahar S Matityahu struct iwl_ini_rxf_data rxf_data; 133060eeaf57SShahar S Matityahu struct iwl_fw_ini_error_dump_register *reg_dump = (void *)range->data; 13318d7dea25SShahar S Matityahu u32 offs = le32_to_cpu(reg->offset), addr; 13328d7dea25SShahar S Matityahu u32 registers_size = 133360eeaf57SShahar S Matityahu le32_to_cpu(reg->fifos.num_of_registers) * sizeof(*reg_dump); 133460eeaf57SShahar S Matityahu __le32 *data; 13358d7dea25SShahar S Matityahu unsigned long flags; 13368d7dea25SShahar S Matityahu int i; 13378d7dea25SShahar S Matityahu 13388d7dea25SShahar S Matityahu iwl_ini_get_rxf_data(fwrt, reg, &rxf_data); 13398d7dea25SShahar S Matityahu if (!rxf_data.size) 13408d7dea25SShahar S Matityahu return -EIO; 13418d7dea25SShahar S Matityahu 13428d7dea25SShahar S Matityahu if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) 13438d7dea25SShahar S Matityahu return -EBUSY; 13448d7dea25SShahar S Matityahu 134597319355SShahar S Matityahu range->fifo_hdr.fifo_num = cpu_to_le32(rxf_data.fifo_num); 134697319355SShahar S Matityahu range->fifo_hdr.num_of_registers = reg->fifos.num_of_registers; 13478d7dea25SShahar S Matityahu range->range_data_size = cpu_to_le32(rxf_data.size + registers_size); 13488d7dea25SShahar S Matityahu 134960eeaf57SShahar S Matityahu /* 135060eeaf57SShahar S Matityahu * read rxf registers. for each register, write to the dump the 135160eeaf57SShahar S Matityahu * register address and its value 135260eeaf57SShahar S Matityahu */ 13538d7dea25SShahar S Matityahu for (i = 0; i < le32_to_cpu(reg->fifos.num_of_registers); i++) { 13548d7dea25SShahar S Matityahu addr = le32_to_cpu(reg->start_addr[i]) + offs; 13558d7dea25SShahar S Matityahu 135660eeaf57SShahar S Matityahu reg_dump->addr = cpu_to_le32(addr); 135760eeaf57SShahar S Matityahu reg_dump->data = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, 135860eeaf57SShahar S Matityahu addr)); 135960eeaf57SShahar S Matityahu 136060eeaf57SShahar S Matityahu reg_dump++; 13618d7dea25SShahar S Matityahu } 13628d7dea25SShahar S Matityahu 13638d7dea25SShahar S Matityahu if (reg->fifos.header_only) { 13648d7dea25SShahar S Matityahu range->range_data_size = cpu_to_le32(registers_size); 13658d7dea25SShahar S Matityahu goto out; 13668d7dea25SShahar S Matityahu } 13678d7dea25SShahar S Matityahu 136830eba3f9SShahar S Matityahu /* 136930eba3f9SShahar S Matityahu * region register have absolute value so apply rxf offset after 137030eba3f9SShahar S Matityahu * reading the registers 137130eba3f9SShahar S Matityahu */ 137230eba3f9SShahar S Matityahu offs += rxf_data.offset; 137330eba3f9SShahar S Matityahu 13748d7dea25SShahar S Matityahu /* Lock fence */ 13758d7dea25SShahar S Matityahu iwl_write_prph_no_grab(fwrt->trans, RXF_SET_FENCE_MODE + offs, 0x1); 13768d7dea25SShahar S Matityahu /* Set fence pointer to the same place like WR pointer */ 13778d7dea25SShahar S Matityahu iwl_write_prph_no_grab(fwrt->trans, RXF_LD_WR2FENCE + offs, 0x1); 13788d7dea25SShahar S Matityahu /* Set fence offset */ 13798d7dea25SShahar S Matityahu iwl_write_prph_no_grab(fwrt->trans, RXF_LD_FENCE_OFFSET_ADDR + offs, 13808d7dea25SShahar S Matityahu 0x0); 13818d7dea25SShahar S Matityahu 13828d7dea25SShahar S Matityahu /* Read FIFO */ 13838d7dea25SShahar S Matityahu addr = RXF_FIFO_RD_FENCE_INC + offs; 138460eeaf57SShahar S Matityahu data = (void *)reg_dump; 138560eeaf57SShahar S Matityahu for (i = 0; i < rxf_data.size; i += sizeof(*data)) 138660eeaf57SShahar S Matityahu *data++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); 13878d7dea25SShahar S Matityahu 13888d7dea25SShahar S Matityahu out: 13898d7dea25SShahar S Matityahu iwl_trans_release_nic_access(fwrt->trans, &flags); 13908d7dea25SShahar S Matityahu 13918d7dea25SShahar S Matityahu return sizeof(*range) + le32_to_cpu(range->range_data_size); 13928d7dea25SShahar S Matityahu } 13938d7dea25SShahar S Matityahu 13942dbf3aeaSShahar S Matityahu static void *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, 13952dbf3aeaSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 13962dbf3aeaSShahar S Matityahu void *data) 13978d534e96SShahar S Matityahu { 13988d534e96SShahar S Matityahu struct iwl_fw_ini_error_dump *dump = data; 13998d534e96SShahar S Matityahu 140097319355SShahar S Matityahu dump->header.version = cpu_to_le32(IWL_INI_DUMP_VER); 1401990ffe3eSShahar S Matityahu 14028d534e96SShahar S Matityahu return dump->ranges; 14038d534e96SShahar S Matityahu } 14048d534e96SShahar S Matityahu 14052dbf3aeaSShahar S Matityahu static void 14064c704534SShahar S Matityahu *iwl_dump_ini_mon_fill_header(struct iwl_fw_runtime *fwrt, 14072dbf3aeaSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 14084c704534SShahar S Matityahu struct iwl_fw_ini_monitor_dump *data, 14094c704534SShahar S Matityahu u32 write_ptr_addr, u32 write_ptr_msk, 14104c704534SShahar S Matityahu u32 cycle_cnt_addr, u32 cycle_cnt_msk) 1411106b791aSShahar S Matityahu { 1412106b791aSShahar S Matityahu u32 write_ptr, cycle_cnt; 1413106b791aSShahar S Matityahu unsigned long flags; 1414106b791aSShahar S Matityahu 1415106b791aSShahar S Matityahu if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) { 14164c704534SShahar S Matityahu IWL_ERR(fwrt, "Failed to get monitor header\n"); 1417106b791aSShahar S Matityahu return NULL; 1418106b791aSShahar S Matityahu } 14194c704534SShahar S Matityahu 14204c704534SShahar S Matityahu write_ptr = iwl_read_prph_no_grab(fwrt->trans, write_ptr_addr); 14214c704534SShahar S Matityahu cycle_cnt = iwl_read_prph_no_grab(fwrt->trans, cycle_cnt_addr); 14224c704534SShahar S Matityahu 1423106b791aSShahar S Matityahu iwl_trans_release_nic_access(fwrt->trans, &flags); 1424106b791aSShahar S Matityahu 142597319355SShahar S Matityahu data->header.version = cpu_to_le32(IWL_INI_DUMP_VER); 14264c704534SShahar S Matityahu data->write_ptr = cpu_to_le32(write_ptr & write_ptr_msk); 14274c704534SShahar S Matityahu data->cycle_cnt = cpu_to_le32(cycle_cnt & cycle_cnt_msk); 1428106b791aSShahar S Matityahu 14294c704534SShahar S Matityahu return data->ranges; 14304c704534SShahar S Matityahu } 14314c704534SShahar S Matityahu 14324c704534SShahar S Matityahu static void 1433106b791aSShahar S Matityahu *iwl_dump_ini_mon_dram_fill_header(struct iwl_fw_runtime *fwrt, 1434106b791aSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 1435106b791aSShahar S Matityahu void *data) 1436106b791aSShahar S Matityahu { 14374c704534SShahar S Matityahu struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; 14384c704534SShahar S Matityahu u32 write_ptr_addr, write_ptr_msk, cycle_cnt_addr, cycle_cnt_msk; 1439106b791aSShahar S Matityahu 14404c704534SShahar S Matityahu switch (fwrt->trans->cfg->device_family) { 14414c704534SShahar S Matityahu case IWL_DEVICE_FAMILY_9000: 14424c704534SShahar S Matityahu case IWL_DEVICE_FAMILY_22000: 14434c704534SShahar S Matityahu write_ptr_addr = MON_BUFF_WRPTR_VER2; 14444c704534SShahar S Matityahu write_ptr_msk = -1; 14454c704534SShahar S Matityahu cycle_cnt_addr = MON_BUFF_CYCLE_CNT_VER2; 14464c704534SShahar S Matityahu cycle_cnt_msk = -1; 14474c704534SShahar S Matityahu break; 14484c704534SShahar S Matityahu default: 14494c704534SShahar S Matityahu IWL_ERR(fwrt, "Unsupported device family %d\n", 14504c704534SShahar S Matityahu fwrt->trans->cfg->device_family); 1451106b791aSShahar S Matityahu return NULL; 1452106b791aSShahar S Matityahu } 1453106b791aSShahar S Matityahu 14544c704534SShahar S Matityahu return iwl_dump_ini_mon_fill_header(fwrt, reg, mon_dump, write_ptr_addr, 14554c704534SShahar S Matityahu write_ptr_msk, cycle_cnt_addr, 14564c704534SShahar S Matityahu cycle_cnt_msk); 14574c704534SShahar S Matityahu } 1458106b791aSShahar S Matityahu 14594c704534SShahar S Matityahu static void 14604c704534SShahar S Matityahu *iwl_dump_ini_mon_smem_fill_header(struct iwl_fw_runtime *fwrt, 14614c704534SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 14624c704534SShahar S Matityahu void *data) 14634c704534SShahar S Matityahu { 14644c704534SShahar S Matityahu struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; 14654c704534SShahar S Matityahu const struct iwl_cfg *cfg = fwrt->trans->cfg; 14664c704534SShahar S Matityahu 14674c704534SShahar S Matityahu if (fwrt->trans->cfg->device_family != IWL_DEVICE_FAMILY_9000 && 14684c704534SShahar S Matityahu fwrt->trans->cfg->device_family != IWL_DEVICE_FAMILY_22000) { 14694c704534SShahar S Matityahu IWL_ERR(fwrt, "Unsupported device family %d\n", 14704c704534SShahar S Matityahu fwrt->trans->cfg->device_family); 14714c704534SShahar S Matityahu return NULL; 14724c704534SShahar S Matityahu } 14734c704534SShahar S Matityahu 14744c704534SShahar S Matityahu return iwl_dump_ini_mon_fill_header(fwrt, reg, mon_dump, 14754c704534SShahar S Matityahu cfg->fw_mon_smem_write_ptr_addr, 14764c704534SShahar S Matityahu cfg->fw_mon_smem_write_ptr_msk, 14774c704534SShahar S Matityahu cfg->fw_mon_smem_cycle_cnt_ptr_addr, 14784c704534SShahar S Matityahu cfg->fw_mon_smem_cycle_cnt_ptr_msk); 14794c704534SShahar S Matityahu 1480106b791aSShahar S Matityahu } 1481106b791aSShahar S Matityahu 14828d534e96SShahar S Matityahu static u32 iwl_dump_ini_mem_ranges(struct iwl_fw_runtime *fwrt, 14838d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 14848d534e96SShahar S Matityahu { 14858d534e96SShahar S Matityahu return le32_to_cpu(reg->internal.num_of_ranges); 14868d534e96SShahar S Matityahu } 14878d534e96SShahar S Matityahu 1488505a00c0SShahar S Matityahu static u32 iwl_dump_ini_paging_gen2_ranges(struct iwl_fw_runtime *fwrt, 1489505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1490505a00c0SShahar S Matityahu { 1491505a00c0SShahar S Matityahu return fwrt->trans->init_dram.paging_cnt; 1492505a00c0SShahar S Matityahu } 1493505a00c0SShahar S Matityahu 1494505a00c0SShahar S Matityahu static u32 iwl_dump_ini_paging_ranges(struct iwl_fw_runtime *fwrt, 1495505a00c0SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1496505a00c0SShahar S Matityahu { 1497505a00c0SShahar S Matityahu return fwrt->num_of_paging_blk; 1498505a00c0SShahar S Matityahu } 1499505a00c0SShahar S Matityahu 1500106b791aSShahar S Matityahu static u32 iwl_dump_ini_mon_dram_ranges(struct iwl_fw_runtime *fwrt, 1501106b791aSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 1502106b791aSShahar S Matityahu { 1503106b791aSShahar S Matityahu return 1; 1504106b791aSShahar S Matityahu } 1505106b791aSShahar S Matityahu 15061b64d58bSShahar S Matityahu static u32 iwl_dump_ini_txf_ranges(struct iwl_fw_runtime *fwrt, 15071b64d58bSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 15081b64d58bSShahar S Matityahu { 15091b64d58bSShahar S Matityahu u32 num_of_fifos = 0; 15101b64d58bSShahar S Matityahu 1511d4c444efSShahar S Matityahu while (iwl_ini_txf_iter(fwrt, reg, num_of_fifos)) 15121b64d58bSShahar S Matityahu num_of_fifos++; 15131b64d58bSShahar S Matityahu 15141b64d58bSShahar S Matityahu return num_of_fifos; 15151b64d58bSShahar S Matityahu } 15161b64d58bSShahar S Matityahu 15178d7dea25SShahar S Matityahu static u32 iwl_dump_ini_rxf_ranges(struct iwl_fw_runtime *fwrt, 15188d7dea25SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 15198d7dea25SShahar S Matityahu { 15208d7dea25SShahar S Matityahu /* Each Rx fifo needs a different offset and therefore, it's 15218d7dea25SShahar S Matityahu * region can contain only one fifo, i.e. 1 memory range. 15228d7dea25SShahar S Matityahu */ 15238d7dea25SShahar S Matityahu return 1; 15248d7dea25SShahar S Matityahu } 15258d7dea25SShahar S Matityahu 152601e591c9SShahar S Matityahu static u32 iwl_dump_ini_mem_get_size(struct iwl_fw_runtime *fwrt, 152701e591c9SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 152801e591c9SShahar S Matityahu { 152901e591c9SShahar S Matityahu return sizeof(struct iwl_fw_ini_error_dump) + 153001e591c9SShahar S Matityahu iwl_dump_ini_mem_ranges(fwrt, reg) * 153101e591c9SShahar S Matityahu (sizeof(struct iwl_fw_ini_error_dump_range) + 153201e591c9SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size)); 153301e591c9SShahar S Matityahu } 153401e591c9SShahar S Matityahu 153501e591c9SShahar S Matityahu static u32 iwl_dump_ini_paging_gen2_get_size(struct iwl_fw_runtime *fwrt, 153601e591c9SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 153701e591c9SShahar S Matityahu { 153801e591c9SShahar S Matityahu int i; 153901e591c9SShahar S Matityahu u32 range_header_len = sizeof(struct iwl_fw_ini_error_dump_range); 154001e591c9SShahar S Matityahu u32 size = sizeof(struct iwl_fw_ini_error_dump); 154101e591c9SShahar S Matityahu 154201e591c9SShahar S Matityahu for (i = 0; i < iwl_dump_ini_paging_gen2_ranges(fwrt, reg); i++) 154301e591c9SShahar S Matityahu size += range_header_len + 154401e591c9SShahar S Matityahu fwrt->trans->init_dram.paging[i].size; 154501e591c9SShahar S Matityahu 154601e591c9SShahar S Matityahu return size; 154701e591c9SShahar S Matityahu } 154801e591c9SShahar S Matityahu 154901e591c9SShahar S Matityahu static u32 iwl_dump_ini_paging_get_size(struct iwl_fw_runtime *fwrt, 155001e591c9SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 155101e591c9SShahar S Matityahu { 155201e591c9SShahar S Matityahu int i; 155301e591c9SShahar S Matityahu u32 range_header_len = sizeof(struct iwl_fw_ini_error_dump_range); 155401e591c9SShahar S Matityahu u32 size = sizeof(struct iwl_fw_ini_error_dump); 155501e591c9SShahar S Matityahu 155601e591c9SShahar S Matityahu for (i = 1; i <= iwl_dump_ini_paging_ranges(fwrt, reg); i++) 155701e591c9SShahar S Matityahu size += range_header_len + fwrt->fw_paging_db[i].fw_paging_size; 155801e591c9SShahar S Matityahu 155901e591c9SShahar S Matityahu return size; 156001e591c9SShahar S Matityahu } 156101e591c9SShahar S Matityahu 156201e591c9SShahar S Matityahu static u32 iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt, 156301e591c9SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 156401e591c9SShahar S Matityahu { 15654c704534SShahar S Matityahu u32 size = sizeof(struct iwl_fw_ini_monitor_dump) + 1566d63916aeSShahar S Matityahu sizeof(struct iwl_fw_ini_error_dump_range); 156701e591c9SShahar S Matityahu 156891c28b83SShahar S Matityahu if (fwrt->trans->dbg.num_blocks) 156991c28b83SShahar S Matityahu size += fwrt->trans->dbg.fw_mon[0].size; 157001e591c9SShahar S Matityahu 157101e591c9SShahar S Matityahu return size; 157201e591c9SShahar S Matityahu } 157301e591c9SShahar S Matityahu 15744c704534SShahar S Matityahu static u32 iwl_dump_ini_mon_smem_get_size(struct iwl_fw_runtime *fwrt, 15754c704534SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 15764c704534SShahar S Matityahu { 15774c704534SShahar S Matityahu return sizeof(struct iwl_fw_ini_monitor_dump) + 15784c704534SShahar S Matityahu iwl_dump_ini_mem_ranges(fwrt, reg) * 15794c704534SShahar S Matityahu (sizeof(struct iwl_fw_ini_error_dump_range) + 15804c704534SShahar S Matityahu le32_to_cpu(reg->internal.range_data_size)); 15814c704534SShahar S Matityahu } 15824c704534SShahar S Matityahu 15831b64d58bSShahar S Matityahu static u32 iwl_dump_ini_txf_get_size(struct iwl_fw_runtime *fwrt, 15841b64d58bSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 15851b64d58bSShahar S Matityahu { 1586d4c444efSShahar S Matityahu struct iwl_txf_iter_data *iter = &fwrt->dump.txf_iter_data; 15871b64d58bSShahar S Matityahu u32 size = 0; 158897319355SShahar S Matityahu u32 fifo_hdr = sizeof(struct iwl_fw_ini_error_dump_range) + 158997319355SShahar S Matityahu le32_to_cpu(reg->fifos.num_of_registers) * 159097319355SShahar S Matityahu sizeof(struct iwl_fw_ini_error_dump_register); 15911b64d58bSShahar S Matityahu 1592d4c444efSShahar S Matityahu while (iwl_ini_txf_iter(fwrt, reg, size)) { 15931b64d58bSShahar S Matityahu size += fifo_hdr; 15941b64d58bSShahar S Matityahu if (!reg->fifos.header_only) 1595d4c444efSShahar S Matityahu size += iter->fifo_size; 15961b64d58bSShahar S Matityahu } 15971b64d58bSShahar S Matityahu 15981b64d58bSShahar S Matityahu if (size) 159997319355SShahar S Matityahu size += sizeof(struct iwl_fw_ini_error_dump); 16001b64d58bSShahar S Matityahu 16011b64d58bSShahar S Matityahu return size; 16021b64d58bSShahar S Matityahu } 16031b64d58bSShahar S Matityahu 16048d7dea25SShahar S Matityahu static u32 iwl_dump_ini_rxf_get_size(struct iwl_fw_runtime *fwrt, 16058d7dea25SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg) 16068d7dea25SShahar S Matityahu { 16078d7dea25SShahar S Matityahu struct iwl_ini_rxf_data rx_data; 160897319355SShahar S Matityahu u32 size = sizeof(struct iwl_fw_ini_error_dump) + 160997319355SShahar S Matityahu sizeof(struct iwl_fw_ini_error_dump_range) + 161097319355SShahar S Matityahu le32_to_cpu(reg->fifos.num_of_registers) * 161197319355SShahar S Matityahu sizeof(struct iwl_fw_ini_error_dump_register); 16128d7dea25SShahar S Matityahu 16138d7dea25SShahar S Matityahu if (reg->fifos.header_only) 16148d7dea25SShahar S Matityahu return size; 16158d7dea25SShahar S Matityahu 16168d7dea25SShahar S Matityahu iwl_ini_get_rxf_data(fwrt, reg, &rx_data); 16178d7dea25SShahar S Matityahu size += rx_data.size; 16188d7dea25SShahar S Matityahu 16198d7dea25SShahar S Matityahu return size; 16208d7dea25SShahar S Matityahu } 16218d7dea25SShahar S Matityahu 16228d534e96SShahar S Matityahu /** 16238d534e96SShahar S Matityahu * struct iwl_dump_ini_mem_ops - ini memory dump operations 16248d534e96SShahar S Matityahu * @get_num_of_ranges: returns the number of memory ranges in the region. 162501e591c9SShahar S Matityahu * @get_size: returns the total size of the region. 16262dbf3aeaSShahar S Matityahu * @fill_mem_hdr: fills region type specific headers and returns pointer to 16272dbf3aeaSShahar S Matityahu * the first range or NULL if failed to fill headers. 16288d534e96SShahar S Matityahu * @fill_range: copies a given memory range into the dump. 16291b64d58bSShahar S Matityahu * Returns the size of the range or negative error value otherwise. 16308d534e96SShahar S Matityahu */ 16318d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops { 16328d534e96SShahar S Matityahu u32 (*get_num_of_ranges)(struct iwl_fw_runtime *fwrt, 16338d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg); 16348d534e96SShahar S Matityahu u32 (*get_size)(struct iwl_fw_runtime *fwrt, 16358d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg); 16362dbf3aeaSShahar S Matityahu void *(*fill_mem_hdr)(struct iwl_fw_runtime *fwrt, 16372dbf3aeaSShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, void *data); 16388d534e96SShahar S Matityahu int (*fill_range)(struct iwl_fw_runtime *fwrt, 16391a6c8bb7SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, void *range, 16401a6c8bb7SShahar S Matityahu int idx); 16418d534e96SShahar S Matityahu }; 16428d534e96SShahar S Matityahu 16438d534e96SShahar S Matityahu /** 16440fc296f8SShahar S Matityahu * iwl_dump_ini_mem 16450fc296f8SShahar S Matityahu * 16460fc296f8SShahar S Matityahu * Creates a dump tlv and copy a memory region into it. 16470fc296f8SShahar S Matityahu * Returns the size of the current dump tlv or 0 if failed 16480fc296f8SShahar S Matityahu * 16490fc296f8SShahar S Matityahu * @fwrt: fw runtime struct 16500fc296f8SShahar S Matityahu * @list: list to add the dump tlv to 16510fc296f8SShahar S Matityahu * @reg: memory region 16520fc296f8SShahar S Matityahu * @ops: memory dump operations 16538d534e96SShahar S Matityahu */ 16540fc296f8SShahar S Matityahu static u32 iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, struct list_head *list, 16558d534e96SShahar S Matityahu struct iwl_fw_ini_region_cfg *reg, 16568d534e96SShahar S Matityahu struct iwl_dump_ini_mem_ops *ops) 16578d534e96SShahar S Matityahu { 16580fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_entry *entry; 16590fc296f8SShahar S Matityahu struct iwl_fw_error_dump_data *tlv; 16600fc296f8SShahar S Matityahu struct iwl_fw_ini_error_dump_header *header; 1661e8704b81SShahar S Matityahu u32 num_of_ranges, i, type = le32_to_cpu(reg->region_type), size; 16621a6c8bb7SShahar S Matityahu void *range; 16638d534e96SShahar S Matityahu 16648d534e96SShahar S Matityahu if (WARN_ON(!ops || !ops->get_num_of_ranges || !ops->get_size || 16658d534e96SShahar S Matityahu !ops->fill_mem_hdr || !ops->fill_range)) 16660fc296f8SShahar S Matityahu return 0; 16678d534e96SShahar S Matityahu 1668e8704b81SShahar S Matityahu size = ops->get_size(fwrt, reg); 1669e8704b81SShahar S Matityahu if (!size) 16700fc296f8SShahar S Matityahu return 0; 16710fc296f8SShahar S Matityahu 16720fc296f8SShahar S Matityahu entry = kmalloc(sizeof(*entry) + sizeof(*tlv) + size, GFP_KERNEL); 16730fc296f8SShahar S Matityahu if (!entry) 16740fc296f8SShahar S Matityahu return 0; 16750fc296f8SShahar S Matityahu 16760fc296f8SShahar S Matityahu entry->size = sizeof(*tlv) + size; 16770fc296f8SShahar S Matityahu 16780fc296f8SShahar S Matityahu tlv = (void *)entry->data; 16790fc296f8SShahar S Matityahu tlv->type = cpu_to_le32(type); 16800fc296f8SShahar S Matityahu tlv->len = cpu_to_le32(size); 1681e8704b81SShahar S Matityahu 1682a64d4e8dSShahar S Matityahu IWL_DEBUG_FW(fwrt, "WRT: Collecting region: id=%d, type=%d\n", 168353032e6eSShahar S Matityahu le32_to_cpu(reg->region_id), type); 168453032e6eSShahar S Matityahu 16858d534e96SShahar S Matityahu num_of_ranges = ops->get_num_of_ranges(fwrt, reg); 16868d534e96SShahar S Matityahu 16870fc296f8SShahar S Matityahu header = (void *)tlv->data; 16881cdb4d8fSShahar S Matityahu header->region_id = reg->region_id; 16898d534e96SShahar S Matityahu header->num_of_ranges = cpu_to_le32(num_of_ranges); 16908d534e96SShahar S Matityahu header->name_len = cpu_to_le32(min_t(int, IWL_FW_INI_MAX_NAME, 16918d534e96SShahar S Matityahu le32_to_cpu(reg->name_len))); 16928d534e96SShahar S Matityahu memcpy(header->name, reg->name, le32_to_cpu(header->name_len)); 16938d534e96SShahar S Matityahu 16942dbf3aeaSShahar S Matityahu range = ops->fill_mem_hdr(fwrt, reg, header); 169505841faaSShahar S Matityahu if (!range) { 169653032e6eSShahar S Matityahu IWL_ERR(fwrt, 1697a64d4e8dSShahar S Matityahu "WRT: Failed to fill region header: id=%d, type=%d\n", 169805841faaSShahar S Matityahu le32_to_cpu(reg->region_id), type); 16990fc296f8SShahar S Matityahu goto out_err; 170005841faaSShahar S Matityahu } 17018d534e96SShahar S Matityahu 17028d534e96SShahar S Matityahu for (i = 0; i < num_of_ranges; i++) { 17031a6c8bb7SShahar S Matityahu int range_size = ops->fill_range(fwrt, reg, range, i); 17048d534e96SShahar S Matityahu 17051a6c8bb7SShahar S Matityahu if (range_size < 0) { 170653032e6eSShahar S Matityahu IWL_ERR(fwrt, 1707a64d4e8dSShahar S Matityahu "WRT: Failed to dump region: id=%d, type=%d\n", 170805841faaSShahar S Matityahu le32_to_cpu(reg->region_id), type); 17090fc296f8SShahar S Matityahu goto out_err; 17108d534e96SShahar S Matityahu } 17111a6c8bb7SShahar S Matityahu range = range + range_size; 17128d534e96SShahar S Matityahu } 17130fc296f8SShahar S Matityahu 17140fc296f8SShahar S Matityahu list_add_tail(&entry->list, list); 17150fc296f8SShahar S Matityahu 17160fc296f8SShahar S Matityahu return entry->size; 17170fc296f8SShahar S Matityahu 17180fc296f8SShahar S Matityahu out_err: 17190fc296f8SShahar S Matityahu kfree(entry); 17200fc296f8SShahar S Matityahu 17210fc296f8SShahar S Matityahu return 0; 17228d534e96SShahar S Matityahu } 17238d534e96SShahar S Matityahu 17240fc296f8SShahar S Matityahu static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt, 17250a3a3e9eSShahar S Matityahu struct iwl_fw_ini_trigger *trigger, 17260fc296f8SShahar S Matityahu struct list_head *list) 17270a3a3e9eSShahar S Matityahu { 17280fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_entry *entry; 17290fc296f8SShahar S Matityahu struct iwl_fw_error_dump_data *tlv; 17300fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_info *dump; 17310a3a3e9eSShahar S Matityahu u32 reg_ids_size = le32_to_cpu(trigger->num_regions) * sizeof(__le32); 17320fc296f8SShahar S Matityahu u32 size = sizeof(*tlv) + sizeof(*dump) + reg_ids_size; 17330a3a3e9eSShahar S Matityahu 17340fc296f8SShahar S Matityahu entry = kmalloc(sizeof(*entry) + size, GFP_KERNEL); 17350fc296f8SShahar S Matityahu if (!entry) 17360fc296f8SShahar S Matityahu return 0; 17370fc296f8SShahar S Matityahu 17380fc296f8SShahar S Matityahu entry->size = size; 17390fc296f8SShahar S Matityahu 17400fc296f8SShahar S Matityahu tlv = (void *)entry->data; 17410fc296f8SShahar S Matityahu tlv->type = cpu_to_le32(IWL_INI_DUMP_INFO_TYPE); 17420fc296f8SShahar S Matityahu tlv->len = cpu_to_le32(sizeof(*dump) + reg_ids_size); 17430fc296f8SShahar S Matityahu 17440fc296f8SShahar S Matityahu dump = (void *)tlv->data; 17450a3a3e9eSShahar S Matityahu 17460a3a3e9eSShahar S Matityahu dump->version = cpu_to_le32(IWL_INI_DUMP_VER); 17470a3a3e9eSShahar S Matityahu dump->trigger_id = trigger->trigger_id; 174891c28b83SShahar S Matityahu dump->is_external_cfg = 1749341bd290SShahar S Matityahu cpu_to_le32(fwrt->trans->dbg.external_ini_cfg); 17500a3a3e9eSShahar S Matityahu 17510a3a3e9eSShahar S Matityahu dump->ver_type = cpu_to_le32(fwrt->dump.fw_ver.type); 17520a3a3e9eSShahar S Matityahu dump->ver_subtype = cpu_to_le32(fwrt->dump.fw_ver.subtype); 17530a3a3e9eSShahar S Matityahu 17540a3a3e9eSShahar S Matityahu dump->hw_step = cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev)); 17550a3a3e9eSShahar S Matityahu dump->hw_type = cpu_to_le32(CSR_HW_REV_TYPE(fwrt->trans->hw_rev)); 17560a3a3e9eSShahar S Matityahu 17570a3a3e9eSShahar S Matityahu dump->rf_id_flavor = 17580a3a3e9eSShahar S Matityahu cpu_to_le32(CSR_HW_RFID_FLAVOR(fwrt->trans->hw_rf_id)); 17590a3a3e9eSShahar S Matityahu dump->rf_id_dash = cpu_to_le32(CSR_HW_RFID_DASH(fwrt->trans->hw_rf_id)); 17600a3a3e9eSShahar S Matityahu dump->rf_id_step = cpu_to_le32(CSR_HW_RFID_STEP(fwrt->trans->hw_rf_id)); 17610a3a3e9eSShahar S Matityahu dump->rf_id_type = cpu_to_le32(CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id)); 17620a3a3e9eSShahar S Matityahu 17630a3a3e9eSShahar S Matityahu dump->lmac_major = cpu_to_le32(fwrt->dump.fw_ver.lmac_major); 17640a3a3e9eSShahar S Matityahu dump->lmac_minor = cpu_to_le32(fwrt->dump.fw_ver.lmac_minor); 17650a3a3e9eSShahar S Matityahu dump->umac_major = cpu_to_le32(fwrt->dump.fw_ver.umac_major); 17660a3a3e9eSShahar S Matityahu dump->umac_minor = cpu_to_le32(fwrt->dump.fw_ver.umac_minor); 17670a3a3e9eSShahar S Matityahu 17680a3a3e9eSShahar S Matityahu dump->build_tag_len = cpu_to_le32(sizeof(dump->build_tag)); 17690a3a3e9eSShahar S Matityahu memcpy(dump->build_tag, fwrt->fw->human_readable, 17700a3a3e9eSShahar S Matityahu sizeof(dump->build_tag)); 17710a3a3e9eSShahar S Matityahu 17720a3a3e9eSShahar S Matityahu dump->img_name_len = cpu_to_le32(sizeof(dump->img_name)); 17730a3a3e9eSShahar S Matityahu memcpy(dump->img_name, fwrt->dump.img_name, sizeof(dump->img_name)); 17740a3a3e9eSShahar S Matityahu 17750a3a3e9eSShahar S Matityahu dump->internal_dbg_cfg_name_len = 17760a3a3e9eSShahar S Matityahu cpu_to_le32(sizeof(dump->internal_dbg_cfg_name)); 17770a3a3e9eSShahar S Matityahu memcpy(dump->internal_dbg_cfg_name, fwrt->dump.internal_dbg_cfg_name, 17780a3a3e9eSShahar S Matityahu sizeof(dump->internal_dbg_cfg_name)); 17790a3a3e9eSShahar S Matityahu 17800a3a3e9eSShahar S Matityahu dump->external_dbg_cfg_name_len = 17810a3a3e9eSShahar S Matityahu cpu_to_le32(sizeof(dump->external_dbg_cfg_name)); 17820a3a3e9eSShahar S Matityahu 17830a3a3e9eSShahar S Matityahu memcpy(dump->external_dbg_cfg_name, fwrt->dump.external_dbg_cfg_name, 17840a3a3e9eSShahar S Matityahu sizeof(dump->external_dbg_cfg_name)); 17850a3a3e9eSShahar S Matityahu 17860a3a3e9eSShahar S Matityahu dump->regions_num = trigger->num_regions; 17870a3a3e9eSShahar S Matityahu memcpy(dump->region_ids, trigger->data, reg_ids_size); 17880a3a3e9eSShahar S Matityahu 17890fc296f8SShahar S Matityahu /* add dump info TLV to the beginning of the list since it needs to be 17900fc296f8SShahar S Matityahu * the first TLV in the dump 17910fc296f8SShahar S Matityahu */ 17920fc296f8SShahar S Matityahu list_add(&entry->list, list); 17930fc296f8SShahar S Matityahu 17940fc296f8SShahar S Matityahu return entry->size; 17950a3a3e9eSShahar S Matityahu } 17960a3a3e9eSShahar S Matityahu 17970fc296f8SShahar S Matityahu static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, 17980fc296f8SShahar S Matityahu struct iwl_fw_ini_trigger *trigger, 17990fc296f8SShahar S Matityahu struct list_head *list) 18007a14c23dSSara Sharon { 18010fc296f8SShahar S Matityahu int i; 18020fc296f8SShahar S Matityahu u32 size = 0; 18037a14c23dSSara Sharon 18048d534e96SShahar S Matityahu for (i = 0; i < le32_to_cpu(trigger->num_regions); i++) { 18057a14c23dSSara Sharon u32 reg_id = le32_to_cpu(trigger->data[i]); 18067a14c23dSSara Sharon struct iwl_fw_ini_region_cfg *reg; 18070fc296f8SShahar S Matityahu struct iwl_dump_ini_mem_ops ops; 18087a14c23dSSara Sharon 18097a14c23dSSara Sharon if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) 18107a14c23dSSara Sharon continue; 18117a14c23dSSara Sharon 18120ec7bfb2SShahar S Matityahu reg = fwrt->dump.active_regs[reg_id]; 181353032e6eSShahar S Matityahu if (!reg) { 181453032e6eSShahar S Matityahu IWL_WARN(fwrt, 1815a64d4e8dSShahar S Matityahu "WRT: Unassigned region id %d, skipping\n", 181653032e6eSShahar S Matityahu reg_id); 18177a14c23dSSara Sharon continue; 181853032e6eSShahar S Matityahu } 18197a14c23dSSara Sharon 18200aade8f4SShahar S Matityahu /* currently the driver supports always on domain only */ 18210aade8f4SShahar S Matityahu if (le32_to_cpu(reg->domain) != IWL_FW_INI_DBG_DOMAIN_ALWAYS_ON) 18220aade8f4SShahar S Matityahu continue; 18230aade8f4SShahar S Matityahu 182433a40386SShahar S Matityahu switch (le32_to_cpu(reg->region_type)) { 18257a14c23dSSara Sharon case IWL_FW_INI_REGION_DEVICE_MEMORY: 1826954454d6SShahar S Matityahu case IWL_FW_INI_REGION_LMAC_ERROR_TABLE: 1827954454d6SShahar S Matityahu case IWL_FW_INI_REGION_UMAC_ERROR_TABLE: 18286e9f8f99SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 18296e9f8f99SShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 18306e9f8f99SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 18316e9f8f99SShahar S Matityahu ops.fill_range = iwl_dump_ini_dev_mem_iter; 18320fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18337a14c23dSSara Sharon break; 18347a14c23dSSara Sharon case IWL_FW_INI_REGION_PERIPHERY_MAC: 18358d534e96SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 18368d534e96SShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 18378d534e96SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 18388d534e96SShahar S Matityahu ops.fill_range = iwl_dump_ini_prph_iter; 18390fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18407a14c23dSSara Sharon break; 18417a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_BUFFER: 1842106b791aSShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mon_dram_ranges; 1843106b791aSShahar S Matityahu ops.get_size = iwl_dump_ini_mon_dram_get_size; 1844106b791aSShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mon_dram_fill_header; 1845106b791aSShahar S Matityahu ops.fill_range = iwl_dump_ini_mon_dram_iter; 18460fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18477a14c23dSSara Sharon break; 18484c704534SShahar S Matityahu case IWL_FW_INI_REGION_INTERNAL_BUFFER: 18494c704534SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 18504c704534SShahar S Matityahu ops.get_size = iwl_dump_ini_mon_smem_get_size; 18514c704534SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mon_smem_fill_header; 18524c704534SShahar S Matityahu ops.fill_range = iwl_dump_ini_dev_mem_iter; 18530fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18544c704534SShahar S Matityahu break; 185584294b5bSShahar S Matityahu case IWL_FW_INI_REGION_PAGING: 1856505a00c0SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 1857505a00c0SShahar S Matityahu if (iwl_fw_dbg_is_paging_enabled(fwrt)) { 1858505a00c0SShahar S Matityahu ops.get_num_of_ranges = 1859505a00c0SShahar S Matityahu iwl_dump_ini_paging_ranges; 1860505a00c0SShahar S Matityahu ops.get_size = iwl_dump_ini_paging_get_size; 1861505a00c0SShahar S Matityahu ops.fill_range = iwl_dump_ini_paging_iter; 1862505a00c0SShahar S Matityahu } else { 1863505a00c0SShahar S Matityahu ops.get_num_of_ranges = 1864505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_ranges; 1865505a00c0SShahar S Matityahu ops.get_size = 1866505a00c0SShahar S Matityahu iwl_dump_ini_paging_gen2_get_size; 1867505a00c0SShahar S Matityahu ops.fill_range = iwl_dump_ini_paging_gen2_iter; 1868505a00c0SShahar S Matityahu } 18690fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18707a14c23dSSara Sharon break; 1871d4c444efSShahar S Matityahu case IWL_FW_INI_REGION_TXF: 18721b64d58bSShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_txf_ranges; 18731b64d58bSShahar S Matityahu ops.get_size = iwl_dump_ini_txf_get_size; 187497319355SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 18751b64d58bSShahar S Matityahu ops.fill_range = iwl_dump_ini_txf_iter; 18760fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18777a14c23dSSara Sharon break; 18787a14c23dSSara Sharon case IWL_FW_INI_REGION_RXF: 18798d7dea25SShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_rxf_ranges; 18808d7dea25SShahar S Matityahu ops.get_size = iwl_dump_ini_rxf_get_size; 188197319355SShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 18828d7dea25SShahar S Matityahu ops.fill_range = iwl_dump_ini_rxf_iter; 18830fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18847a14c23dSSara Sharon break; 18857a14c23dSSara Sharon case IWL_FW_INI_REGION_CSR: 1886f4f907aaSShahar S Matityahu ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; 1887f4f907aaSShahar S Matityahu ops.get_size = iwl_dump_ini_mem_get_size; 1888f4f907aaSShahar S Matityahu ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; 1889f4f907aaSShahar S Matityahu ops.fill_range = iwl_dump_ini_csr_iter; 18900fc296f8SShahar S Matityahu size += iwl_dump_ini_mem(fwrt, list, reg, &ops); 18917a14c23dSSara Sharon break; 18925b79c323SShahar S Matityahu case IWL_FW_INI_REGION_PERIPHERY_PHY: 18935b79c323SShahar S Matityahu case IWL_FW_INI_REGION_PERIPHERY_AUX: 18947a14c23dSSara Sharon case IWL_FW_INI_REGION_DRAM_IMR: 18957a14c23dSSara Sharon /* This is undefined yet */ 18967a14c23dSSara Sharon default: 18977a14c23dSSara Sharon break; 18987a14c23dSSara Sharon } 18997a14c23dSSara Sharon } 19000fc296f8SShahar S Matityahu 19010fc296f8SShahar S Matityahu if (size) 19020fc296f8SShahar S Matityahu size += iwl_dump_ini_info(fwrt, trigger, list); 19030fc296f8SShahar S Matityahu 19040fc296f8SShahar S Matityahu return size; 19057a14c23dSSara Sharon } 19067a14c23dSSara Sharon 19070fc296f8SShahar S Matityahu static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt, 19080fc296f8SShahar S Matityahu enum iwl_fw_ini_trigger_id trig_id, 19090fc296f8SShahar S Matityahu struct list_head *list) 19107a14c23dSSara Sharon { 19110fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_entry *entry; 19120fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_file_hdr *hdr; 1913b61a6610SShahar S Matityahu struct iwl_fw_ini_trigger *trigger; 19140fc296f8SShahar S Matityahu u32 size; 19157a14c23dSSara Sharon 1916c7ab138eSShahar S Matityahu if (!iwl_fw_ini_trigger_on(fwrt, trig_id)) 19170fc296f8SShahar S Matityahu return 0; 19187a14c23dSSara Sharon 1919c7ab138eSShahar S Matityahu trigger = fwrt->dump.active_trigs[trig_id].trig; 19200fc296f8SShahar S Matityahu if (!trigger || !le32_to_cpu(trigger->num_regions)) 19210fc296f8SShahar S Matityahu return 0; 19227a14c23dSSara Sharon 19230fc296f8SShahar S Matityahu entry = kmalloc(sizeof(*entry) + sizeof(*hdr), GFP_KERNEL); 19240fc296f8SShahar S Matityahu if (!entry) 19250fc296f8SShahar S Matityahu return 0; 19267a14c23dSSara Sharon 19270fc296f8SShahar S Matityahu entry->size = sizeof(*hdr); 1928b05d57c9SShahar S Matityahu 19290fc296f8SShahar S Matityahu size = iwl_dump_ini_trigger(fwrt, trigger, list); 19300fc296f8SShahar S Matityahu if (!size) { 19310fc296f8SShahar S Matityahu kfree(entry); 19320fc296f8SShahar S Matityahu return 0; 19330fc296f8SShahar S Matityahu } 19347a14c23dSSara Sharon 19350fc296f8SShahar S Matityahu hdr = (void *)entry->data; 19360fc296f8SShahar S Matityahu hdr->barker = cpu_to_le32(IWL_FW_INI_ERROR_DUMP_BARKER); 19370fc296f8SShahar S Matityahu hdr->file_len = cpu_to_le32(size + entry->size); 19387a14c23dSSara Sharon 19390fc296f8SShahar S Matityahu list_add(&entry->list, list); 19407a14c23dSSara Sharon 19410fc296f8SShahar S Matityahu return le32_to_cpu(hdr->file_len); 19427a14c23dSSara Sharon } 19437a14c23dSSara Sharon 19444b49e34eSShahar S Matityahu static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt) 1945a6820511SSara Sharon { 19464b49e34eSShahar S Matityahu struct iwl_fw_dump_ptrs fw_error_dump = {}; 1947a6820511SSara Sharon struct iwl_fw_error_dump_file *dump_file; 1948a6820511SSara Sharon struct scatterlist *sg_dump_data; 1949a6820511SSara Sharon u32 file_len; 195079f033f6SSara Sharon u32 dump_mask = fwrt->fw->dbg.dump_mask; 1951a6820511SSara Sharon 19524b49e34eSShahar S Matityahu dump_file = iwl_fw_error_dump_file(fwrt, &fw_error_dump); 19534b49e34eSShahar S Matityahu if (!dump_file) 1954a6820511SSara Sharon goto out; 1955a6820511SSara Sharon 19561d45a700SShahar S Matityahu if (fwrt->dump.monitor_only) 195779f033f6SSara Sharon dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR; 195879f033f6SSara Sharon 19594b49e34eSShahar S Matityahu fw_error_dump.trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask); 1960a6820511SSara Sharon file_len = le32_to_cpu(dump_file->file_len); 19614b49e34eSShahar S Matityahu fw_error_dump.fwrt_len = file_len; 19624b49e34eSShahar S Matityahu 19634b49e34eSShahar S Matityahu if (fw_error_dump.trans_ptr) { 19644b49e34eSShahar S Matityahu file_len += fw_error_dump.trans_ptr->len; 19657174beb6SJohannes Berg dump_file->file_len = cpu_to_le32(file_len); 1966a6820511SSara Sharon } 19677174beb6SJohannes Berg 19687174beb6SJohannes Berg sg_dump_data = alloc_sgtable(file_len); 19697174beb6SJohannes Berg if (sg_dump_data) { 19707174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 19717174beb6SJohannes Berg sg_nents(sg_dump_data), 19724b49e34eSShahar S Matityahu fw_error_dump.fwrt_ptr, 19734b49e34eSShahar S Matityahu fw_error_dump.fwrt_len, 0); 19744b49e34eSShahar S Matityahu if (fw_error_dump.trans_ptr) 19757174beb6SJohannes Berg sg_pcopy_from_buffer(sg_dump_data, 19767174beb6SJohannes Berg sg_nents(sg_dump_data), 19774b49e34eSShahar S Matityahu fw_error_dump.trans_ptr->data, 19784b49e34eSShahar S Matityahu fw_error_dump.trans_ptr->len, 19794b49e34eSShahar S Matityahu fw_error_dump.fwrt_len); 19807174beb6SJohannes Berg dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, 19817174beb6SJohannes Berg GFP_KERNEL); 19827174beb6SJohannes Berg } 19834b49e34eSShahar S Matityahu vfree(fw_error_dump.fwrt_ptr); 19844b49e34eSShahar S Matityahu vfree(fw_error_dump.trans_ptr); 19857174beb6SJohannes Berg 19867174beb6SJohannes Berg out: 19877174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 19887174beb6SJohannes Berg } 19894b49e34eSShahar S Matityahu 19900fc296f8SShahar S Matityahu static void iwl_dump_ini_list_free(struct list_head *list) 19910fc296f8SShahar S Matityahu { 19920fc296f8SShahar S Matityahu while (!list_empty(list)) { 19930fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_entry *entry = 19940fc296f8SShahar S Matityahu list_entry(list->next, typeof(*entry), list); 19950fc296f8SShahar S Matityahu 19960fc296f8SShahar S Matityahu list_del(&entry->list); 19970fc296f8SShahar S Matityahu kfree(entry); 19980fc296f8SShahar S Matityahu } 19990fc296f8SShahar S Matityahu } 20000fc296f8SShahar S Matityahu 2001c7ab138eSShahar S Matityahu static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, u8 wk_idx) 20024b49e34eSShahar S Matityahu { 2003c7ab138eSShahar S Matityahu enum iwl_fw_ini_trigger_id trig_id = fwrt->dump.wks[wk_idx].ini_trig_id; 20040fc296f8SShahar S Matityahu struct list_head dump_list = LIST_HEAD_INIT(dump_list); 20054b49e34eSShahar S Matityahu struct scatterlist *sg_dump_data; 20064b49e34eSShahar S Matityahu u32 file_len; 20074b49e34eSShahar S Matityahu 20080fc296f8SShahar S Matityahu file_len = iwl_dump_ini_file_gen(fwrt, trig_id, &dump_list); 20090fc296f8SShahar S Matityahu if (!file_len) 20104b49e34eSShahar S Matityahu goto out; 20114b49e34eSShahar S Matityahu 20124b49e34eSShahar S Matityahu sg_dump_data = alloc_sgtable(file_len); 20134b49e34eSShahar S Matityahu if (sg_dump_data) { 20140fc296f8SShahar S Matityahu struct iwl_fw_ini_dump_entry *entry; 20150fc296f8SShahar S Matityahu int sg_entries = sg_nents(sg_dump_data); 20160fc296f8SShahar S Matityahu u32 offs = 0; 20170fc296f8SShahar S Matityahu 20180fc296f8SShahar S Matityahu list_for_each_entry(entry, &dump_list, list) { 20190fc296f8SShahar S Matityahu sg_pcopy_from_buffer(sg_dump_data, sg_entries, 20200fc296f8SShahar S Matityahu entry->data, entry->size, offs); 20210fc296f8SShahar S Matityahu offs += entry->size; 20220fc296f8SShahar S Matityahu } 20234b49e34eSShahar S Matityahu dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, 20244b49e34eSShahar S Matityahu GFP_KERNEL); 20254b49e34eSShahar S Matityahu } 20260fc296f8SShahar S Matityahu iwl_dump_ini_list_free(&dump_list); 20270fc296f8SShahar S Matityahu 20284b49e34eSShahar S Matityahu out: 2029c7ab138eSShahar S Matityahu fwrt->dump.wks[wk_idx].ini_trig_id = IWL_FW_TRIGGER_ID_INVALID; 20304b49e34eSShahar S Matityahu } 20317174beb6SJohannes Berg 20327174beb6SJohannes Berg const struct iwl_fw_dump_desc iwl_dump_desc_assert = { 20337174beb6SJohannes Berg .trig_desc = { 20347174beb6SJohannes Berg .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), 20357174beb6SJohannes Berg }, 20367174beb6SJohannes Berg }; 20377174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_dump_desc_assert); 20387174beb6SJohannes Berg 20397174beb6SJohannes Berg int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, 2040124e0ebaSSara Sharon const struct iwl_fw_dump_desc *desc, 2041124e0ebaSSara Sharon bool monitor_only, 2042ea7cb829SSara Sharon unsigned int delay) 20437174beb6SJohannes Berg { 20444b49e34eSShahar S Matityahu u32 trig_type = le32_to_cpu(desc->trig_desc.type); 20454b49e34eSShahar S Matityahu int ret; 20464b49e34eSShahar S Matityahu 2047a1af4c48SShahar S Matityahu if (iwl_trans_dbg_ini_valid(fwrt->trans)) { 20484b49e34eSShahar S Matityahu ret = iwl_fw_dbg_ini_collect(fwrt, trig_type); 20494b49e34eSShahar S Matityahu if (!ret) 20504b49e34eSShahar S Matityahu iwl_fw_free_dump_desc(fwrt); 20514b49e34eSShahar S Matityahu 20524b49e34eSShahar S Matityahu return ret; 20534b49e34eSShahar S Matityahu } 20544b49e34eSShahar S Matityahu 2055c7ab138eSShahar S Matityahu /* use wks[0] since dump flow prior to ini does not need to support 2056c7ab138eSShahar S Matityahu * consecutive triggers collection 2057c7ab138eSShahar S Matityahu */ 2058c7ab138eSShahar S Matityahu if (test_and_set_bit(fwrt->dump.wks[0].idx, &fwrt->dump.active_wks)) 20597174beb6SJohannes Berg return -EBUSY; 20607174beb6SJohannes Berg 20617174beb6SJohannes Berg if (WARN_ON(fwrt->dump.desc)) 20627174beb6SJohannes Berg iwl_fw_free_dump_desc(fwrt); 20637174beb6SJohannes Berg 20647174beb6SJohannes Berg IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", 20657174beb6SJohannes Berg le32_to_cpu(desc->trig_desc.type)); 20667174beb6SJohannes Berg 20677174beb6SJohannes Berg fwrt->dump.desc = desc; 2068124e0ebaSSara Sharon fwrt->dump.monitor_only = monitor_only; 20697174beb6SJohannes Berg 2070c7ab138eSShahar S Matityahu schedule_delayed_work(&fwrt->dump.wks[0].wk, usecs_to_jiffies(delay)); 20717174beb6SJohannes Berg 20727174beb6SJohannes Berg return 0; 20737174beb6SJohannes Berg } 20747174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc); 20757174beb6SJohannes Berg 2076700b3799SShahar S Matityahu int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, 2077700b3799SShahar S Matityahu enum iwl_fw_dbg_trigger trig_type) 2078700b3799SShahar S Matityahu { 2079700b3799SShahar S Matityahu int ret; 2080e4eee943SShahar S Matityahu struct iwl_fw_dump_desc *iwl_dump_error_desc; 2081700b3799SShahar S Matityahu 2082e4eee943SShahar S Matityahu if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) 2083e4eee943SShahar S Matityahu return -EIO; 2084e4eee943SShahar S Matityahu 2085e4eee943SShahar S Matityahu iwl_dump_error_desc = kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL); 2086700b3799SShahar S Matityahu if (!iwl_dump_error_desc) 2087700b3799SShahar S Matityahu return -ENOMEM; 2088700b3799SShahar S Matityahu 2089700b3799SShahar S Matityahu iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type); 2090700b3799SShahar S Matityahu iwl_dump_error_desc->len = 0; 2091700b3799SShahar S Matityahu 2092700b3799SShahar S Matityahu ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0); 209307d35b42SShahar S Matityahu if (ret) 2094700b3799SShahar S Matityahu kfree(iwl_dump_error_desc); 209507d35b42SShahar S Matityahu else 209607d35b42SShahar S Matityahu iwl_trans_sync_nmi(fwrt->trans); 2097700b3799SShahar S Matityahu 2098700b3799SShahar S Matityahu return ret; 2099700b3799SShahar S Matityahu } 2100700b3799SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_error_collect); 2101700b3799SShahar S Matityahu 21024b49e34eSShahar S Matityahu int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 21037174beb6SJohannes Berg enum iwl_fw_dbg_trigger trig, 21047174beb6SJohannes Berg const char *str, size_t len, 2105af303252SSara Sharon struct iwl_fw_dbg_trigger_tlv *trigger) 21067174beb6SJohannes Berg { 21077174beb6SJohannes Berg struct iwl_fw_dump_desc *desc; 2108ea7cb829SSara Sharon unsigned int delay = 0; 2109124e0ebaSSara Sharon bool monitor_only = false; 21107174beb6SJohannes Berg 2111ea7cb829SSara Sharon if (trigger) { 2112ea7cb829SSara Sharon u16 occurrences = le16_to_cpu(trigger->occurrences) - 1; 2113ea7cb829SSara Sharon 2114ea7cb829SSara Sharon if (!le16_to_cpu(trigger->occurrences)) 2115af303252SSara Sharon return 0; 2116af303252SSara Sharon 2117ea7cb829SSara Sharon if (trigger->flags & IWL_FW_DBG_FORCE_RESTART) { 2118ea7cb829SSara Sharon IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", 2119ea7cb829SSara Sharon trig); 2120378c8931SShahar S Matityahu iwl_force_nmi(fwrt->trans); 2121378c8931SShahar S Matityahu return 0; 2122378c8931SShahar S Matityahu } 2123378c8931SShahar S Matityahu 2124ea7cb829SSara Sharon trigger->occurrences = cpu_to_le16(occurrences); 2125124e0ebaSSara Sharon monitor_only = trigger->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY; 2126159133c8SShahar S Matityahu 2127159133c8SShahar S Matityahu /* convert msec to usec */ 2128159133c8SShahar S Matityahu delay = le32_to_cpu(trigger->stop_delay) * USEC_PER_MSEC; 2129ea7cb829SSara Sharon } 2130ea7cb829SSara Sharon 21317174beb6SJohannes Berg desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 21327174beb6SJohannes Berg if (!desc) 21337174beb6SJohannes Berg return -ENOMEM; 21347174beb6SJohannes Berg 2135af303252SSara Sharon 21367174beb6SJohannes Berg desc->len = len; 21377174beb6SJohannes Berg desc->trig_desc.type = cpu_to_le32(trig); 21387174beb6SJohannes Berg memcpy(desc->trig_desc.data, str, len); 21397174beb6SJohannes Berg 2140124e0ebaSSara Sharon return iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); 21417174beb6SJohannes Berg } 21424b49e34eSShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect); 2143fe1b7d6cSSara Sharon 21444b49e34eSShahar S Matityahu int _iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, 21454b49e34eSShahar S Matityahu enum iwl_fw_ini_trigger_id id) 2146fe1b7d6cSSara Sharon { 2147b61a6610SShahar S Matityahu struct iwl_fw_ini_active_triggers *active; 2148fe1b7d6cSSara Sharon u32 occur, delay; 2149c7ab138eSShahar S Matityahu unsigned long idx; 2150fe1b7d6cSSara Sharon 21514b49e34eSShahar S Matityahu if (WARN_ON(!iwl_fw_ini_trigger_on(fwrt, id))) 2152fe1b7d6cSSara Sharon return -EINVAL; 2153fe1b7d6cSSara Sharon 215453032e6eSShahar S Matityahu if (!iwl_fw_ini_trigger_on(fwrt, id)) { 215553032e6eSShahar S Matityahu IWL_WARN(fwrt, "WRT: Trigger %d is not active, aborting dump\n", 215653032e6eSShahar S Matityahu id); 215753032e6eSShahar S Matityahu return -EINVAL; 215853032e6eSShahar S Matityahu } 215953032e6eSShahar S Matityahu 21604b49e34eSShahar S Matityahu active = &fwrt->dump.active_trigs[id]; 2161b61a6610SShahar S Matityahu delay = le32_to_cpu(active->trig->dump_delay); 2162b61a6610SShahar S Matityahu occur = le32_to_cpu(active->trig->occurrences); 2163fe1b7d6cSSara Sharon if (!occur) 2164fe1b7d6cSSara Sharon return 0; 2165fe1b7d6cSSara Sharon 21664b49e34eSShahar S Matityahu active->trig->occurrences = cpu_to_le32(--occur); 21674b49e34eSShahar S Matityahu 2168b61a6610SShahar S Matityahu if (le32_to_cpu(active->trig->force_restart)) { 2169a64d4e8dSShahar S Matityahu IWL_WARN(fwrt, "WRT: Force restart: trigger %d fired.\n", id); 2170fe1b7d6cSSara Sharon iwl_force_nmi(fwrt->trans); 2171fe1b7d6cSSara Sharon return 0; 2172fe1b7d6cSSara Sharon } 2173fe1b7d6cSSara Sharon 2174c7ab138eSShahar S Matityahu /* Check there is an available worker. 2175c7ab138eSShahar S Matityahu * ffz return value is undefined if no zero exists, 2176c7ab138eSShahar S Matityahu * so check against ~0UL first. 2177c7ab138eSShahar S Matityahu */ 2178c7ab138eSShahar S Matityahu if (fwrt->dump.active_wks == ~0UL) 217969166f7aSShahar S Matityahu return -EBUSY; 218069166f7aSShahar S Matityahu 2181c7ab138eSShahar S Matityahu idx = ffz(fwrt->dump.active_wks); 2182c7ab138eSShahar S Matityahu 2183c7ab138eSShahar S Matityahu if (idx >= IWL_FW_RUNTIME_DUMP_WK_NUM || 2184c7ab138eSShahar S Matityahu test_and_set_bit(fwrt->dump.wks[idx].idx, &fwrt->dump.active_wks)) 2185c7ab138eSShahar S Matityahu return -EBUSY; 2186c7ab138eSShahar S Matityahu 2187c7ab138eSShahar S Matityahu fwrt->dump.wks[idx].ini_trig_id = id; 2188fe1b7d6cSSara Sharon 2189a64d4e8dSShahar S Matityahu IWL_WARN(fwrt, "WRT: Collecting data: ini trigger %d fired.\n", id); 2190fe1b7d6cSSara Sharon 2191c7ab138eSShahar S Matityahu schedule_delayed_work(&fwrt->dump.wks[idx].wk, usecs_to_jiffies(delay)); 2192fe1b7d6cSSara Sharon 21934b49e34eSShahar S Matityahu return 0; 2194fe1b7d6cSSara Sharon } 21954b49e34eSShahar S Matityahu IWL_EXPORT_SYMBOL(_iwl_fw_dbg_ini_collect); 21964b49e34eSShahar S Matityahu 21974b49e34eSShahar S Matityahu int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, u32 legacy_trigger_id) 21984b49e34eSShahar S Matityahu { 21994b49e34eSShahar S Matityahu int id; 22004b49e34eSShahar S Matityahu 22014b49e34eSShahar S Matityahu switch (legacy_trigger_id) { 22024b49e34eSShahar S Matityahu case FW_DBG_TRIGGER_FW_ASSERT: 22034b49e34eSShahar S Matityahu case FW_DBG_TRIGGER_ALIVE_TIMEOUT: 22044b49e34eSShahar S Matityahu case FW_DBG_TRIGGER_DRIVER: 22054b49e34eSShahar S Matityahu id = IWL_FW_TRIGGER_ID_FW_ASSERT; 22064b49e34eSShahar S Matityahu break; 22074b49e34eSShahar S Matityahu case FW_DBG_TRIGGER_USER: 22084b49e34eSShahar S Matityahu id = IWL_FW_TRIGGER_ID_USER_TRIGGER; 22094b49e34eSShahar S Matityahu break; 22104b49e34eSShahar S Matityahu default: 22114b49e34eSShahar S Matityahu return -EIO; 22124b49e34eSShahar S Matityahu } 22134b49e34eSShahar S Matityahu 22144b49e34eSShahar S Matityahu return _iwl_fw_dbg_ini_collect(fwrt, id); 22154b49e34eSShahar S Matityahu } 22164b49e34eSShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_ini_collect); 22177174beb6SJohannes Berg 22187174beb6SJohannes Berg int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, 22197174beb6SJohannes Berg struct iwl_fw_dbg_trigger_tlv *trigger, 22207174beb6SJohannes Berg const char *fmt, ...) 22217174beb6SJohannes Berg { 22227174beb6SJohannes Berg int ret, len = 0; 22237174beb6SJohannes Berg char buf[64]; 22247174beb6SJohannes Berg 22257174beb6SJohannes Berg if (fmt) { 22267174beb6SJohannes Berg va_list ap; 22277174beb6SJohannes Berg 22287174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 22297174beb6SJohannes Berg 22307174beb6SJohannes Berg va_start(ap, fmt); 22317174beb6SJohannes Berg vsnprintf(buf, sizeof(buf), fmt, ap); 22327174beb6SJohannes Berg va_end(ap); 22337174beb6SJohannes Berg 22347174beb6SJohannes Berg /* check for truncation */ 22357174beb6SJohannes Berg if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) 22367174beb6SJohannes Berg buf[sizeof(buf) - 1] = '\0'; 22377174beb6SJohannes Berg 22387174beb6SJohannes Berg len = strlen(buf) + 1; 22397174beb6SJohannes Berg } 22407174beb6SJohannes Berg 22414b49e34eSShahar S Matityahu ret = iwl_fw_dbg_collect(fwrt, le32_to_cpu(trigger->id), buf, len, 22427174beb6SJohannes Berg trigger); 22437174beb6SJohannes Berg 22447174beb6SJohannes Berg if (ret) 22457174beb6SJohannes Berg return ret; 22467174beb6SJohannes Berg 22477174beb6SJohannes Berg return 0; 22487174beb6SJohannes Berg } 22497174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_trig); 22507174beb6SJohannes Berg 22517174beb6SJohannes Berg int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) 22527174beb6SJohannes Berg { 22537174beb6SJohannes Berg u8 *ptr; 22547174beb6SJohannes Berg int ret; 22557174beb6SJohannes Berg int i; 22567174beb6SJohannes Berg 225717b809c9SSara Sharon if (WARN_ONCE(conf_id >= ARRAY_SIZE(fwrt->fw->dbg.conf_tlv), 22587174beb6SJohannes Berg "Invalid configuration %d\n", conf_id)) 22597174beb6SJohannes Berg return -EINVAL; 22607174beb6SJohannes Berg 22617174beb6SJohannes Berg /* EARLY START - firmware's configuration is hard coded */ 226217b809c9SSara Sharon if ((!fwrt->fw->dbg.conf_tlv[conf_id] || 226317b809c9SSara Sharon !fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds) && 22647174beb6SJohannes Berg conf_id == FW_DBG_START_FROM_ALIVE) 22657174beb6SJohannes Berg return 0; 22667174beb6SJohannes Berg 226717b809c9SSara Sharon if (!fwrt->fw->dbg.conf_tlv[conf_id]) 22687174beb6SJohannes Berg return -EINVAL; 22697174beb6SJohannes Berg 22707174beb6SJohannes Berg if (fwrt->dump.conf != FW_DBG_INVALID) 22717174beb6SJohannes Berg IWL_WARN(fwrt, "FW already configured (%d) - re-configuring\n", 22727174beb6SJohannes Berg fwrt->dump.conf); 22737174beb6SJohannes Berg 22747174beb6SJohannes Berg /* Send all HCMDs for configuring the FW debug */ 227517b809c9SSara Sharon ptr = (void *)&fwrt->fw->dbg.conf_tlv[conf_id]->hcmd; 227617b809c9SSara Sharon for (i = 0; i < fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds; i++) { 22777174beb6SJohannes Berg struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; 22787174beb6SJohannes Berg struct iwl_host_cmd hcmd = { 22797174beb6SJohannes Berg .id = cmd->id, 22807174beb6SJohannes Berg .len = { le16_to_cpu(cmd->len), }, 22817174beb6SJohannes Berg .data = { cmd->data, }, 22827174beb6SJohannes Berg }; 22837174beb6SJohannes Berg 22847174beb6SJohannes Berg ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); 22857174beb6SJohannes Berg if (ret) 22867174beb6SJohannes Berg return ret; 22877174beb6SJohannes Berg 22887174beb6SJohannes Berg ptr += sizeof(*cmd); 22897174beb6SJohannes Berg ptr += le16_to_cpu(cmd->len); 22907174beb6SJohannes Berg } 22917174beb6SJohannes Berg 22927174beb6SJohannes Berg fwrt->dump.conf = conf_id; 22937174beb6SJohannes Berg 22947174beb6SJohannes Berg return 0; 22957174beb6SJohannes Berg } 22967174beb6SJohannes Berg IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf); 22977174beb6SJohannes Berg 22984244e7fcSShahar S Matityahu /* this function assumes dump_start was called beforehand and dump_end will be 22994244e7fcSShahar S Matityahu * called afterwards 23004244e7fcSShahar S Matityahu */ 2301c7ab138eSShahar S Matityahu static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) 23027174beb6SJohannes Berg { 2303d25eec30SSara Sharon struct iwl_fw_dbg_params params = {0}; 23047174beb6SJohannes Berg 2305c7ab138eSShahar S Matityahu if (!test_bit(wk_idx, &fwrt->dump.active_wks)) 23067174beb6SJohannes Berg return; 23077174beb6SJohannes Berg 23088745f12aSShaul Triebitz if (fwrt->ops && fwrt->ops->fw_running && 23098745f12aSShaul Triebitz !fwrt->ops->fw_running(fwrt->ops_ctx)) { 23108745f12aSShaul Triebitz IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); 23118745f12aSShaul Triebitz iwl_fw_free_dump_desc(fwrt); 2312c7ab138eSShahar S Matityahu goto out; 23138745f12aSShaul Triebitz } 23148745f12aSShaul Triebitz 23154b49e34eSShahar S Matityahu /* there's no point in fw dump if the bus is dead */ 23164b49e34eSShahar S Matityahu if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) { 23174b49e34eSShahar S Matityahu IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n"); 2318c7ab138eSShahar S Matityahu goto out; 23194b49e34eSShahar S Matityahu } 23204b49e34eSShahar S Matityahu 232157605833SShahar S Matityahu if (iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, true)) { 232257605833SShahar S Matityahu IWL_ERR(fwrt, "Failed to stop DBGC recording, aborting dump\n"); 232357605833SShahar S Matityahu goto out; 232457605833SShahar S Matityahu } 23257174beb6SJohannes Berg 2326a64d4e8dSShahar S Matityahu IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection start\n"); 2327a1af4c48SShahar S Matityahu if (iwl_trans_dbg_ini_valid(fwrt->trans)) 2328c7ab138eSShahar S Matityahu iwl_fw_error_ini_dump(fwrt, wk_idx); 23294b49e34eSShahar S Matityahu else 23307174beb6SJohannes Berg iwl_fw_error_dump(fwrt); 2331a64d4e8dSShahar S Matityahu IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection done\n"); 23327174beb6SJohannes Berg 233357605833SShahar S Matityahu iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, false); 2334c7ab138eSShahar S Matityahu 2335c7ab138eSShahar S Matityahu out: 2336c7ab138eSShahar S Matityahu clear_bit(wk_idx, &fwrt->dump.active_wks); 23374244e7fcSShahar S Matityahu } 23384244e7fcSShahar S Matityahu 23394244e7fcSShahar S Matityahu void iwl_fw_error_dump_wk(struct work_struct *work) 23404244e7fcSShahar S Matityahu { 2341c7ab138eSShahar S Matityahu struct iwl_fw_runtime *fwrt; 2342c7ab138eSShahar S Matityahu typeof(fwrt->dump.wks[0]) *wks; 23434244e7fcSShahar S Matityahu 2344c7ab138eSShahar S Matityahu wks = container_of(work, typeof(fwrt->dump.wks[0]), wk.work); 2345c7ab138eSShahar S Matityahu fwrt = container_of(wks, struct iwl_fw_runtime, dump.wks[wks->idx]); 2346c7ab138eSShahar S Matityahu 2347c7ab138eSShahar S Matityahu /* assumes the op mode mutex is locked in dump_start since 2348c7ab138eSShahar S Matityahu * iwl_fw_dbg_collect_sync can't run in parallel 2349c7ab138eSShahar S Matityahu */ 23504244e7fcSShahar S Matityahu if (fwrt->ops && fwrt->ops->dump_start && 23514244e7fcSShahar S Matityahu fwrt->ops->dump_start(fwrt->ops_ctx)) 23524244e7fcSShahar S Matityahu return; 23534244e7fcSShahar S Matityahu 2354c7ab138eSShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt, wks->idx); 23554244e7fcSShahar S Matityahu 23567174beb6SJohannes Berg if (fwrt->ops && fwrt->ops->dump_end) 23577174beb6SJohannes Berg fwrt->ops->dump_end(fwrt->ops_ctx); 23587174beb6SJohannes Berg } 23597174beb6SJohannes Berg 23602d8c2615SShahar S Matityahu void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) 23612d8c2615SShahar S Matityahu { 23622d8c2615SShahar S Matityahu const struct iwl_cfg *cfg = fwrt->trans->cfg; 23632d8c2615SShahar S Matityahu 23642d8c2615SShahar S Matityahu if (!iwl_fw_dbg_is_d3_debug_enabled(fwrt)) 23652d8c2615SShahar S Matityahu return; 23662d8c2615SShahar S Matityahu 23672d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 23682d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data = kmalloc(cfg->d3_debug_data_length, 23692d8c2615SShahar S Matityahu GFP_KERNEL); 23702d8c2615SShahar S Matityahu if (!fwrt->dump.d3_debug_data) { 23712d8c2615SShahar S Matityahu IWL_ERR(fwrt, 23722d8c2615SShahar S Matityahu "failed to allocate memory for D3 debug data\n"); 23732d8c2615SShahar S Matityahu return; 23742d8c2615SShahar S Matityahu } 23752d8c2615SShahar S Matityahu } 23762d8c2615SShahar S Matityahu 23772d8c2615SShahar S Matityahu /* if the buffer holds previous debug data it is overwritten */ 23782d8c2615SShahar S Matityahu iwl_trans_read_mem_bytes(fwrt->trans, cfg->d3_debug_data_base_addr, 23792d8c2615SShahar S Matityahu fwrt->dump.d3_debug_data, 23802d8c2615SShahar S Matityahu cfg->d3_debug_data_length); 23812d8c2615SShahar S Matityahu } 23822d8c2615SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data); 2383d47902f9SSara Sharon 2384203c83d3SShahar S Matityahu void iwl_fw_dbg_stop_sync(struct iwl_fw_runtime *fwrt) 2385700b3799SShahar S Matityahu { 2386c7ab138eSShahar S Matityahu int i; 2387c7ab138eSShahar S Matityahu 2388bfd8e3daSShahar S Matityahu del_timer(&fwrt->dump.periodic_trig); 2389c7ab138eSShahar S Matityahu for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) 2390c7ab138eSShahar S Matityahu iwl_fw_dbg_collect_sync(fwrt, i); 2391700b3799SShahar S Matityahu 239257605833SShahar S Matityahu iwl_fw_dbg_stop_restart_recording(fwrt, NULL, true); 2393700b3799SShahar S Matityahu } 2394203c83d3SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_stop_sync); 2395bfd8e3daSShahar S Matityahu 2396bfd8e3daSShahar S Matityahu void iwl_fw_dbg_periodic_trig_handler(struct timer_list *t) 2397bfd8e3daSShahar S Matityahu { 2398bfd8e3daSShahar S Matityahu struct iwl_fw_runtime *fwrt; 2399bfd8e3daSShahar S Matityahu enum iwl_fw_ini_trigger_id id = IWL_FW_TRIGGER_ID_PERIODIC_TRIGGER; 2400bfd8e3daSShahar S Matityahu int ret; 2401bfd8e3daSShahar S Matityahu typeof(fwrt->dump) *dump_ptr = container_of(t, typeof(fwrt->dump), 2402bfd8e3daSShahar S Matityahu periodic_trig); 2403bfd8e3daSShahar S Matityahu 2404bfd8e3daSShahar S Matityahu fwrt = container_of(dump_ptr, typeof(*fwrt), dump); 2405bfd8e3daSShahar S Matityahu 2406bfd8e3daSShahar S Matityahu ret = _iwl_fw_dbg_ini_collect(fwrt, id); 2407bfd8e3daSShahar S Matityahu if (!ret || ret == -EBUSY) { 2408bfd8e3daSShahar S Matityahu struct iwl_fw_ini_trigger *trig = 2409bfd8e3daSShahar S Matityahu fwrt->dump.active_trigs[id].trig; 2410bfd8e3daSShahar S Matityahu u32 occur = le32_to_cpu(trig->occurrences); 2411bfd8e3daSShahar S Matityahu u32 collect_interval = le32_to_cpu(trig->trigger_data); 2412bfd8e3daSShahar S Matityahu 2413bfd8e3daSShahar S Matityahu if (!occur) 2414bfd8e3daSShahar S Matityahu return; 2415bfd8e3daSShahar S Matityahu 2416bfd8e3daSShahar S Matityahu mod_timer(&fwrt->dump.periodic_trig, 2417bfd8e3daSShahar S Matityahu jiffies + msecs_to_jiffies(collect_interval)); 2418bfd8e3daSShahar S Matityahu } 2419bfd8e3daSShahar S Matityahu } 2420cc5470dfSShahar S Matityahu 2421cc5470dfSShahar S Matityahu #define FSEQ_REG(x) { .addr = (x), .str = #x, } 2422cc5470dfSShahar S Matityahu 2423cc5470dfSShahar S Matityahu void iwl_fw_error_print_fseq_regs(struct iwl_fw_runtime *fwrt) 2424cc5470dfSShahar S Matityahu { 2425cc5470dfSShahar S Matityahu struct iwl_trans *trans = fwrt->trans; 2426cc5470dfSShahar S Matityahu unsigned long flags; 2427cc5470dfSShahar S Matityahu int i; 2428cc5470dfSShahar S Matityahu struct { 2429cc5470dfSShahar S Matityahu u32 addr; 2430cc5470dfSShahar S Matityahu const char *str; 2431cc5470dfSShahar S Matityahu } fseq_regs[] = { 2432cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_ERROR_CODE), 2433cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_TOP_INIT_VERSION), 2434cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_CNVIO_INIT_VERSION), 2435cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_OTP_VERSION), 2436cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_TOP_CONTENT_VERSION), 2437cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_ALIVE_TOKEN), 2438cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_CNVI_ID), 2439cc5470dfSShahar S Matityahu FSEQ_REG(FSEQ_CNVR_ID), 2440cc5470dfSShahar S Matityahu FSEQ_REG(CNVI_AUX_MISC_CHIP), 2441cc5470dfSShahar S Matityahu FSEQ_REG(CNVR_AUX_MISC_CHIP), 2442cc5470dfSShahar S Matityahu FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM), 2443cc5470dfSShahar S Matityahu FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR), 2444cc5470dfSShahar S Matityahu }; 2445cc5470dfSShahar S Matityahu 2446cc5470dfSShahar S Matityahu if (!iwl_trans_grab_nic_access(trans, &flags)) 2447cc5470dfSShahar S Matityahu return; 2448cc5470dfSShahar S Matityahu 2449cc5470dfSShahar S Matityahu IWL_ERR(fwrt, "Fseq Registers:\n"); 2450cc5470dfSShahar S Matityahu 2451cc5470dfSShahar S Matityahu for (i = 0; i < ARRAY_SIZE(fseq_regs); i++) 2452cc5470dfSShahar S Matityahu IWL_ERR(fwrt, "0x%08X | %s\n", 2453cc5470dfSShahar S Matityahu iwl_read_prph_no_grab(trans, fseq_regs[i].addr), 2454cc5470dfSShahar S Matityahu fseq_regs[i].str); 2455cc5470dfSShahar S Matityahu 2456cc5470dfSShahar S Matityahu iwl_trans_release_nic_access(trans, &flags); 2457cc5470dfSShahar S Matityahu } 2458cc5470dfSShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_error_print_fseq_regs); 2459b721f5b1SShahar S Matityahu 246057605833SShahar S Matityahu static int iwl_fw_dbg_suspend_resume_hcmd(struct iwl_trans *trans, bool suspend) 246157605833SShahar S Matityahu { 246257605833SShahar S Matityahu struct iwl_dbg_suspend_resume_cmd cmd = { 246357605833SShahar S Matityahu .operation = suspend ? 246457605833SShahar S Matityahu cpu_to_le32(DBGC_SUSPEND_CMD) : 246557605833SShahar S Matityahu cpu_to_le32(DBGC_RESUME_CMD), 246657605833SShahar S Matityahu }; 246757605833SShahar S Matityahu struct iwl_host_cmd hcmd = { 246857605833SShahar S Matityahu .id = WIDE_ID(DEBUG_GROUP, DBGC_SUSPEND_RESUME), 246957605833SShahar S Matityahu .data[0] = &cmd, 247057605833SShahar S Matityahu .len[0] = sizeof(cmd), 247157605833SShahar S Matityahu }; 247257605833SShahar S Matityahu 247357605833SShahar S Matityahu return iwl_trans_send_cmd(trans, &hcmd); 247457605833SShahar S Matityahu } 247557605833SShahar S Matityahu 247657605833SShahar S Matityahu static void iwl_fw_dbg_stop_recording(struct iwl_trans *trans, 2477b721f5b1SShahar S Matityahu struct iwl_fw_dbg_params *params) 2478b721f5b1SShahar S Matityahu { 2479b721f5b1SShahar S Matityahu if (trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) { 2480b721f5b1SShahar S Matityahu iwl_set_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x100); 2481b721f5b1SShahar S Matityahu return; 2482b721f5b1SShahar S Matityahu } 2483b721f5b1SShahar S Matityahu 2484b721f5b1SShahar S Matityahu if (params) { 2485b721f5b1SShahar S Matityahu params->in_sample = iwl_read_umac_prph(trans, DBGC_IN_SAMPLE); 2486b721f5b1SShahar S Matityahu params->out_ctrl = iwl_read_umac_prph(trans, DBGC_OUT_CTRL); 2487b721f5b1SShahar S Matityahu } 2488b721f5b1SShahar S Matityahu 2489b721f5b1SShahar S Matityahu iwl_write_umac_prph(trans, DBGC_IN_SAMPLE, 0); 2490b721f5b1SShahar S Matityahu /* wait for the DBGC to finish writing the internal buffer to DRAM to 2491b721f5b1SShahar S Matityahu * avoid halting the HW while writing 2492b721f5b1SShahar S Matityahu */ 2493b721f5b1SShahar S Matityahu usleep_range(700, 1000); 2494b721f5b1SShahar S Matityahu iwl_write_umac_prph(trans, DBGC_OUT_CTRL, 0); 2495b721f5b1SShahar S Matityahu } 2496b721f5b1SShahar S Matityahu 249757605833SShahar S Matityahu static int iwl_fw_dbg_restart_recording(struct iwl_trans *trans, 2498b721f5b1SShahar S Matityahu struct iwl_fw_dbg_params *params) 2499b721f5b1SShahar S Matityahu { 250057605833SShahar S Matityahu if (!params) 250157605833SShahar S Matityahu return -EIO; 2502b721f5b1SShahar S Matityahu 2503b721f5b1SShahar S Matityahu if (trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) { 2504b721f5b1SShahar S Matityahu iwl_clear_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x100); 2505b721f5b1SShahar S Matityahu iwl_clear_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x1); 2506b721f5b1SShahar S Matityahu iwl_set_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x1); 2507b721f5b1SShahar S Matityahu } else { 2508b721f5b1SShahar S Matityahu iwl_write_umac_prph(trans, DBGC_IN_SAMPLE, params->in_sample); 2509b721f5b1SShahar S Matityahu iwl_write_umac_prph(trans, DBGC_OUT_CTRL, params->out_ctrl); 2510b721f5b1SShahar S Matityahu } 251157605833SShahar S Matityahu 251257605833SShahar S Matityahu return 0; 2513b721f5b1SShahar S Matityahu } 2514b721f5b1SShahar S Matityahu 251557605833SShahar S Matityahu int iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, 251657605833SShahar S Matityahu struct iwl_fw_dbg_params *params, 251757605833SShahar S Matityahu bool stop) 2518b721f5b1SShahar S Matityahu { 251957605833SShahar S Matityahu int ret = 0; 252057605833SShahar S Matityahu 2521b721f5b1SShahar S Matityahu /* if the FW crashed or not debug monitor cfg was given, there is 252257605833SShahar S Matityahu * no point in changing the recording state 2523b721f5b1SShahar S Matityahu */ 2524b721f5b1SShahar S Matityahu if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status) || 2525b721f5b1SShahar S Matityahu (!fwrt->trans->dbg.dest_tlv && 2526b721f5b1SShahar S Matityahu fwrt->trans->dbg.ini_dest == IWL_FW_INI_LOCATION_INVALID)) 252757605833SShahar S Matityahu return 0; 2528b721f5b1SShahar S Matityahu 252957605833SShahar S Matityahu if (fw_has_capa(&fwrt->fw->ucode_capa, 253057605833SShahar S Matityahu IWL_UCODE_TLV_CAPA_DBG_SUSPEND_RESUME_CMD_SUPP)) 253157605833SShahar S Matityahu ret = iwl_fw_dbg_suspend_resume_hcmd(fwrt->trans, stop); 253257605833SShahar S Matityahu else if (stop) 253357605833SShahar S Matityahu iwl_fw_dbg_stop_recording(fwrt->trans, params); 253457605833SShahar S Matityahu else 253557605833SShahar S Matityahu ret = iwl_fw_dbg_restart_recording(fwrt->trans, params); 2536b721f5b1SShahar S Matityahu #ifdef CONFIG_IWLWIFI_DEBUGFS 253757605833SShahar S Matityahu if (!ret) { 253857605833SShahar S Matityahu if (stop) 253957605833SShahar S Matityahu fwrt->trans->dbg.rec_on = false; 254057605833SShahar S Matityahu else 2541b721f5b1SShahar S Matityahu iwl_fw_set_dbg_rec_on(fwrt); 2542b721f5b1SShahar S Matityahu } 254357605833SShahar S Matityahu #endif 254457605833SShahar S Matityahu 254557605833SShahar S Matityahu return ret; 254657605833SShahar S Matityahu } 254757605833SShahar S Matityahu IWL_EXPORT_SYMBOL(iwl_fw_dbg_stop_restart_recording); 2548