diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 3140 |
1 files changed, 2420 insertions, 720 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 2a19b178c5e8..2ce55859641c 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1,66 +1,9 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH - * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH - * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2005-2014, 2018-2025 Intel Corporation + * Copyright (C) 2013-2015 Intel Mobile Communications GmbH + * Copyright (C) 2015-2017 Intel Deutschland GmbH + */ #include <linux/devcoredump.h> #include "iwl-drv.h" #include "runtime.h" @@ -69,14 +12,13 @@ #include "iwl-io.h" #include "iwl-prph.h" #include "iwl-csr.h" - +#include "iwl-fh.h" /** * struct iwl_fw_dump_ptrs - set of pointers needed for the fw-error-dump * * @fwrt_ptr: pointer to the buffer coming from fwrt * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the * transport's data. - * @trans_len: length of the valid data in trans_ptr * @fwrt_len: length of the valid data in fwrt_ptr */ struct iwl_fw_dump_ptrs { @@ -90,12 +32,11 @@ static void iwl_read_radio_regs(struct iwl_fw_runtime *fwrt, struct iwl_fw_error_dump_data **dump_data) { u8 *pos = (void *)(*dump_data)->data; - unsigned long flags; int i; IWL_DEBUG_INFO(fwrt, "WRT radio registers dump\n"); - if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) + if (!iwl_trans_grab_nic_access(fwrt->trans)) return; (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RADIO_REG); @@ -113,7 +54,7 @@ static void iwl_read_radio_regs(struct iwl_fw_runtime *fwrt, *dump_data = iwl_fw_error_next_data(*dump_data); - iwl_trans_release_nic_access(fwrt->trans, &flags); + iwl_trans_release_nic_access(fwrt->trans); } static void iwl_fwrt_dump_rxf(struct iwl_fw_runtime *fwrt, @@ -217,11 +158,15 @@ static void iwl_fwrt_dump_txf(struct iwl_fw_runtime *fwrt, iwl_trans_read_prph(fwrt->trans, TXF_READ_MODIFY_DATA + offset); /* Read FIFO */ - fifo_len /= sizeof(u32); /* Size in DWORDS */ - for (i = 0; i < fifo_len; i++) + for (i = 0; i < fifo_len / sizeof(u32); i++) fifo_data[i] = iwl_trans_read_prph(fwrt->trans, TXF_READ_MODIFY_DATA + offset); + + if (fwrt->sanitize_ops && fwrt->sanitize_ops->frob_txf) + fwrt->sanitize_ops->frob_txf(fwrt->sanitize_ctx, + fifo_data, fifo_len); + *dump_data = iwl_fw_error_next_data(*dump_data); } @@ -229,11 +174,10 @@ static void iwl_fw_dump_rxf(struct iwl_fw_runtime *fwrt, struct iwl_fw_error_dump_data **dump_data) { struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; - unsigned long flags; IWL_DEBUG_INFO(fwrt, "WRT RX FIFO dump\n"); - if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) + if (!iwl_trans_grab_nic_access(fwrt->trans)) return; if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RXF)) { @@ -242,7 +186,8 @@ static void iwl_fw_dump_rxf(struct iwl_fw_runtime *fwrt, cfg->lmac[0].rxfifo1_size, 0, 0); /* Pull RXF2 */ iwl_fwrt_dump_rxf(fwrt, dump_data, cfg->rxfifo2_size, - RXF_DIFF_FROM_PREV, 1); + RXF_DIFF_FROM_PREV + + fwrt->trans->mac_cfg->umac_prph_offset, 1); /* Pull LMAC2 RXF1 */ if (fwrt->smem_cfg.num_lmacs > 1) iwl_fwrt_dump_rxf(fwrt, dump_data, @@ -250,7 +195,7 @@ static void iwl_fw_dump_rxf(struct iwl_fw_runtime *fwrt, LMAC2_PRPH_OFFSET, 2); } - iwl_trans_release_nic_access(fwrt->trans, &flags); + iwl_trans_release_nic_access(fwrt->trans); } static void iwl_fw_dump_txf(struct iwl_fw_runtime *fwrt, @@ -260,12 +205,11 @@ static void iwl_fw_dump_txf(struct iwl_fw_runtime *fwrt, struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; u32 *fifo_data; u32 fifo_len; - unsigned long flags; int i, j; IWL_DEBUG_INFO(fwrt, "WRT TX FIFO dump\n"); - if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) + if (!iwl_trans_grab_nic_access(fwrt->trans)) return; if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_TXF)) { @@ -355,12 +299,9 @@ static void iwl_fw_dump_txf(struct iwl_fw_runtime *fwrt, } } - iwl_trans_release_nic_access(fwrt->trans, &flags); + iwl_trans_release_nic_access(fwrt->trans); } -#define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */ -#define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */ - struct iwl_prph_range { u32 start, end; }; @@ -467,6 +408,103 @@ static const struct iwl_prph_range iwl_prph_dump_addr_9000[] = { { .start = 0x00a05400, .end = 0x00a056e8 }, { .start = 0x00a08000, .end = 0x00a098bc }, { .start = 0x00a02400, .end = 0x00a02758 }, + { .start = 0x00a04764, .end = 0x00a0476c }, + { .start = 0x00a04770, .end = 0x00a04774 }, + { .start = 0x00a04620, .end = 0x00a04624 }, +}; + +static const struct iwl_prph_range iwl_prph_dump_addr_22000[] = { + { .start = 0x00a00000, .end = 0x00a00000 }, + { .start = 0x00a0000c, .end = 0x00a00024 }, + { .start = 0x00a0002c, .end = 0x00a00034 }, + { .start = 0x00a0003c, .end = 0x00a0003c }, + { .start = 0x00a00410, .end = 0x00a00418 }, + { .start = 0x00a00420, .end = 0x00a00420 }, + { .start = 0x00a00428, .end = 0x00a00428 }, + { .start = 0x00a00430, .end = 0x00a0043c }, + { .start = 0x00a00444, .end = 0x00a00444 }, + { .start = 0x00a00840, .end = 0x00a00840 }, + { .start = 0x00a00850, .end = 0x00a00858 }, + { .start = 0x00a01004, .end = 0x00a01008 }, + { .start = 0x00a01010, .end = 0x00a01010 }, + { .start = 0x00a01018, .end = 0x00a01018 }, + { .start = 0x00a01024, .end = 0x00a01024 }, + { .start = 0x00a0102c, .end = 0x00a01034 }, + { .start = 0x00a0103c, .end = 0x00a01040 }, + { .start = 0x00a01048, .end = 0x00a01050 }, + { .start = 0x00a01058, .end = 0x00a01058 }, + { .start = 0x00a01060, .end = 0x00a01070 }, + { .start = 0x00a0108c, .end = 0x00a0108c }, + { .start = 0x00a01c20, .end = 0x00a01c28 }, + { .start = 0x00a01d10, .end = 0x00a01d10 }, + { .start = 0x00a01e28, .end = 0x00a01e2c }, + { .start = 0x00a01e60, .end = 0x00a01e60 }, + { .start = 0x00a01e80, .end = 0x00a01e80 }, + { .start = 0x00a01ea0, .end = 0x00a01ea0 }, + { .start = 0x00a02000, .end = 0x00a0201c }, + { .start = 0x00a02024, .end = 0x00a02024 }, + { .start = 0x00a02040, .end = 0x00a02048 }, + { .start = 0x00a020c0, .end = 0x00a020e0 }, + { .start = 0x00a02400, .end = 0x00a02404 }, + { .start = 0x00a0240c, .end = 0x00a02414 }, + { .start = 0x00a0241c, .end = 0x00a0243c }, + { .start = 0x00a02448, .end = 0x00a024bc }, + { .start = 0x00a024c4, .end = 0x00a024cc }, + { .start = 0x00a02508, .end = 0x00a02508 }, + { .start = 0x00a02510, .end = 0x00a02514 }, + { .start = 0x00a0251c, .end = 0x00a0251c }, + { .start = 0x00a0252c, .end = 0x00a0255c }, + { .start = 0x00a02564, .end = 0x00a025a0 }, + { .start = 0x00a025a8, .end = 0x00a025b4 }, + { .start = 0x00a025c0, .end = 0x00a025c0 }, + { .start = 0x00a025e8, .end = 0x00a025f4 }, + { .start = 0x00a02c08, .end = 0x00a02c18 }, + { .start = 0x00a02c2c, .end = 0x00a02c38 }, + { .start = 0x00a02c68, .end = 0x00a02c78 }, + { .start = 0x00a03000, .end = 0x00a03000 }, + { .start = 0x00a03010, .end = 0x00a03014 }, + { .start = 0x00a0301c, .end = 0x00a0302c }, + { .start = 0x00a03034, .end = 0x00a03038 }, + { .start = 0x00a03040, .end = 0x00a03044 }, + { .start = 0x00a03060, .end = 0x00a03068 }, + { .start = 0x00a03070, .end = 0x00a03070 }, + { .start = 0x00a0307c, .end = 0x00a03084 }, + { .start = 0x00a0308c, .end = 0x00a03090 }, + { .start = 0x00a03098, .end = 0x00a03098 }, + { .start = 0x00a030a0, .end = 0x00a030a0 }, + { .start = 0x00a030a8, .end = 0x00a030b4 }, + { .start = 0x00a030bc, .end = 0x00a030c0 }, + { .start = 0x00a030c8, .end = 0x00a030f4 }, + { .start = 0x00a03100, .end = 0x00a0312c }, + { .start = 0x00a03c00, .end = 0x00a03c5c }, + { .start = 0x00a04400, .end = 0x00a04454 }, + { .start = 0x00a04460, .end = 0x00a04474 }, + { .start = 0x00a044c0, .end = 0x00a044ec }, + { .start = 0x00a04500, .end = 0x00a04504 }, + { .start = 0x00a04510, .end = 0x00a04538 }, + { .start = 0x00a04540, .end = 0x00a04548 }, + { .start = 0x00a04560, .end = 0x00a04560 }, + { .start = 0x00a04570, .end = 0x00a0457c }, + { .start = 0x00a04590, .end = 0x00a04590 }, + { .start = 0x00a04598, .end = 0x00a04598 }, + { .start = 0x00a045c0, .end = 0x00a045f4 }, + { .start = 0x00a05c18, .end = 0x00a05c1c }, + { .start = 0x00a0c000, .end = 0x00a0c018 }, + { .start = 0x00a0c020, .end = 0x00a0c028 }, + { .start = 0x00a0c038, .end = 0x00a0c094 }, + { .start = 0x00a0c0c0, .end = 0x00a0c104 }, + { .start = 0x00a0c10c, .end = 0x00a0c118 }, + { .start = 0x00a0c150, .end = 0x00a0c174 }, + { .start = 0x00a0c17c, .end = 0x00a0c188 }, + { .start = 0x00a0c190, .end = 0x00a0c198 }, + { .start = 0x00a0c1a0, .end = 0x00a0c1a8 }, + { .start = 0x00a0c1b0, .end = 0x00a0c1b8 }, +}; + +static const struct iwl_prph_range iwl_prph_dump_addr_ax210[] = { + { .start = 0x00d03c00, .end = 0x00d03c64 }, + { .start = 0x00d05c18, .end = 0x00d05c1c }, + { .start = 0x00d0c000, .end = 0x00d0c174 }, }; static void iwl_read_prph_block(struct iwl_trans *trans, u32 start, @@ -478,18 +516,22 @@ static void iwl_read_prph_block(struct iwl_trans *trans, u32 start, *data++ = cpu_to_le32(iwl_read_prph_no_grab(trans, start + i)); } -static void iwl_dump_prph(struct iwl_trans *trans, - struct iwl_fw_error_dump_data **data, +static void iwl_dump_prph(struct iwl_fw_runtime *fwrt, const struct iwl_prph_range *iwl_prph_dump_addr, - u32 range_len) + u32 range_len, void *ptr) { struct iwl_fw_error_dump_prph *prph; - unsigned long flags; + struct iwl_trans *trans = fwrt->trans; + struct iwl_fw_error_dump_data **data = + (struct iwl_fw_error_dump_data **)ptr; u32 i; + if (!data) + return; + IWL_DEBUG_INFO(trans, "WRT PRPH dump\n"); - if (!iwl_trans_grab_nic_access(trans, &flags)) + if (!iwl_trans_grab_nic_access(trans)) return; for (i = 0; i < range_len; i++) { @@ -512,77 +554,122 @@ static void iwl_dump_prph(struct iwl_trans *trans, *data = iwl_fw_error_next_data(*data); } - iwl_trans_release_nic_access(trans, &flags); + iwl_trans_release_nic_access(trans); } /* - * alloc_sgtable - allocates scallerlist table in the given size, - * fills it with pages and returns it + * alloc_sgtable - allocates (chained) scatterlist in the given size, + * fills it with pages and returns it * @size: the size (in bytes) of the table -*/ -static struct scatterlist *alloc_sgtable(int size) + */ +static struct scatterlist *alloc_sgtable(ssize_t size) { - int alloc_size, nents, i; - struct page *new_page; - struct scatterlist *iter; - struct scatterlist *table; + struct scatterlist *result = NULL, *prev; + int nents, i, n_prev; nents = DIV_ROUND_UP(size, PAGE_SIZE); - table = kcalloc(nents, sizeof(*table), GFP_KERNEL); - if (!table) - return NULL; - sg_init_table(table, nents); - iter = table; - for_each_sg(table, iter, sg_nents(table), i) { - new_page = alloc_page(GFP_KERNEL); - if (!new_page) { - /* release all previous allocated pages in the table */ - iter = table; - for_each_sg(table, iter, sg_nents(table), i) { - new_page = sg_page(iter); - if (new_page) - __free_page(new_page); - } + +#define N_ENTRIES_PER_PAGE (PAGE_SIZE / sizeof(*result)) + /* + * We need an additional entry for table chaining, + * this ensures the loop can finish i.e. we can + * fit at least two entries per page (obviously, + * many more really fit.) + */ + BUILD_BUG_ON(N_ENTRIES_PER_PAGE < 2); + + while (nents > 0) { + struct scatterlist *new, *iter; + int n_fill, n_alloc; + + if (nents <= N_ENTRIES_PER_PAGE) { + /* last needed table */ + n_fill = nents; + n_alloc = nents; + nents = 0; + } else { + /* fill a page with entries */ + n_alloc = N_ENTRIES_PER_PAGE; + /* reserve one for chaining */ + n_fill = n_alloc - 1; + nents -= n_fill; + } + + new = kcalloc(n_alloc, sizeof(*new), GFP_KERNEL); + if (!new) { + if (result) + _devcd_free_sgtable(result); return NULL; } - alloc_size = min_t(int, size, PAGE_SIZE); - size -= PAGE_SIZE; - sg_set_page(iter, new_page, alloc_size, 0); + sg_init_table(new, n_alloc); + + if (!result) + result = new; + else + sg_chain(prev, n_prev, new); + prev = new; + n_prev = n_alloc; + + for_each_sg(new, iter, n_fill, i) { + struct page *new_page = alloc_page(GFP_KERNEL); + + if (!new_page) { + _devcd_free_sgtable(result); + return NULL; + } + + sg_set_page(iter, new_page, PAGE_SIZE, 0); + } } - return table; + + return result; } -static int iwl_fw_get_prph_len(struct iwl_fw_runtime *fwrt) +static void iwl_fw_get_prph_len(struct iwl_fw_runtime *fwrt, + const struct iwl_prph_range *iwl_prph_dump_addr, + u32 range_len, void *ptr) { - u32 prph_len = 0; - int i; + u32 *prph_len = (u32 *)ptr; + int i, num_bytes_in_chunk; + + if (!prph_len) + return; - for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr_comm); - i++) { + for (i = 0; i < range_len; i++) { /* The range includes both boundaries */ - int num_bytes_in_chunk = - iwl_prph_dump_addr_comm[i].end - - iwl_prph_dump_addr_comm[i].start + 4; + num_bytes_in_chunk = + iwl_prph_dump_addr[i].end - + iwl_prph_dump_addr[i].start + 4; - prph_len += sizeof(struct iwl_fw_error_dump_data) + + *prph_len += sizeof(struct iwl_fw_error_dump_data) + sizeof(struct iwl_fw_error_dump_prph) + num_bytes_in_chunk; } +} - if (fwrt->trans->cfg->mq_rx_supported) { - for (i = 0; i < - ARRAY_SIZE(iwl_prph_dump_addr_9000); i++) { - /* The range includes both boundaries */ - int num_bytes_in_chunk = - iwl_prph_dump_addr_9000[i].end - - iwl_prph_dump_addr_9000[i].start + 4; +static void iwl_fw_prph_handler(struct iwl_fw_runtime *fwrt, void *ptr, + void (*handler)(struct iwl_fw_runtime *, + const struct iwl_prph_range *, + u32, void *)) +{ + u32 range_len; + + if (fwrt->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + range_len = ARRAY_SIZE(iwl_prph_dump_addr_ax210); + handler(fwrt, iwl_prph_dump_addr_ax210, range_len, ptr); + } else if (fwrt->trans->mac_cfg->device_family >= + IWL_DEVICE_FAMILY_22000) { + range_len = ARRAY_SIZE(iwl_prph_dump_addr_22000); + handler(fwrt, iwl_prph_dump_addr_22000, range_len, ptr); + } else { + range_len = ARRAY_SIZE(iwl_prph_dump_addr_comm); + handler(fwrt, iwl_prph_dump_addr_comm, range_len, ptr); - prph_len += sizeof(struct iwl_fw_error_dump_data) + - sizeof(struct iwl_fw_error_dump_prph) + - num_bytes_in_chunk; + if (fwrt->trans->mac_cfg->mq_rx_supported) { + range_len = ARRAY_SIZE(iwl_prph_dump_addr_9000); + handler(fwrt, iwl_prph_dump_addr_9000, range_len, ptr); } } - return prph_len; } static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt, @@ -602,27 +689,9 @@ static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt, iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len); *dump_data = iwl_fw_error_next_data(*dump_data); - IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type); -} - -static void iwl_fw_dump_named_mem(struct iwl_fw_runtime *fwrt, - struct iwl_fw_error_dump_data **dump_data, - u32 len, u32 ofs, u8 *name, u8 name_len) -{ - struct iwl_fw_error_dump_named_mem *dump_mem; - - if (!len) - return; - - (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); - (*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem)); - dump_mem = (void *)(*dump_data)->data; - dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_NAMED_MEM); - dump_mem->offset = cpu_to_le32(ofs); - dump_mem->name_len = name_len; - memcpy(dump_mem->name, name, name_len); - iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len); - *dump_data = iwl_fw_error_next_data(*dump_data); + if (fwrt->sanitize_ops && fwrt->sanitize_ops->frob_mem) + fwrt->sanitize_ops->frob_mem(fwrt->sanitize_ctx, ofs, + dump_mem->data, len); IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type); } @@ -646,6 +715,9 @@ static int iwl_fw_rxf_len(struct iwl_fw_runtime *fwrt, ADD_LEN(fifo_len, mem_cfg->rxfifo2_size, hdr_len); /* Count RXF1 sizes */ + if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) + mem_cfg->num_lmacs = MAX_NUM_LMAC; + for (i = 0; i < mem_cfg->num_lmacs; i++) ADD_LEN(fifo_len, mem_cfg->lmac[i].rxfifo1_size, hdr_len); @@ -664,6 +736,9 @@ static int iwl_fw_txf_len(struct iwl_fw_runtime *fwrt, goto dump_internal_txf; /* Count TXF sizes */ + if (WARN_ON(mem_cfg->num_lmacs > MAX_NUM_LMAC)) + mem_cfg->num_lmacs = MAX_NUM_LMAC; + for (i = 0; i < mem_cfg->num_lmacs; i++) { int j; @@ -707,13 +782,23 @@ static void iwl_dump_paging(struct iwl_fw_runtime *fwrt, DMA_BIDIRECTIONAL); memcpy(paging->data, page_address(pages), PAGING_BLOCK_SIZE); + dma_sync_single_for_device(fwrt->trans->dev, addr, + PAGING_BLOCK_SIZE, + DMA_BIDIRECTIONAL); (*data) = iwl_fw_error_next_data(*data); + + if (fwrt->sanitize_ops && fwrt->sanitize_ops->frob_mem) + fwrt->sanitize_ops->frob_mem(fwrt->sanitize_ctx, + fwrt->fw_paging_db[i].fw_offs, + paging->data, + PAGING_BLOCK_SIZE); } } static struct iwl_fw_error_dump_file * -_iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, - struct iwl_fw_dump_ptrs *fw_error_dump) +iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt, + struct iwl_fw_dump_ptrs *fw_error_dump, + struct iwl_fwrt_dump_data *data) { struct iwl_fw_error_dump_file *dump_file; struct iwl_fw_error_dump_data *dump_data; @@ -724,15 +809,18 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, const struct iwl_fw_dbg_mem_seg_tlv *fw_mem = fwrt->fw->dbg.mem_tlv; struct iwl_fwrt_shared_mem_cfg *mem_cfg = &fwrt->smem_cfg; u32 file_len, fifo_len = 0, prph_len = 0, radio_len = 0; - u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->smem_len; + u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->mac_cfg->base->smem_len; u32 sram2_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->dccm2_len; int i; /* SRAM - include stack CCM if driver knows the values for it */ - if (!fwrt->trans->cfg->dccm_offset || !fwrt->trans->cfg->dccm_len) { + if (!fwrt->trans->cfg->dccm_offset || + !fwrt->trans->cfg->dccm_len) { const struct fw_img *img; + if (fwrt->cur_fw_img >= IWL_UCODE_TYPE_MAX) + return NULL; img = &fwrt->fw->img[fwrt->cur_fw_img]; sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; @@ -742,16 +830,17 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, } /* reading RXF/TXF sizes */ - if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) { + if (iwl_trans_is_fw_error(fwrt->trans)) { fifo_len = iwl_fw_rxf_len(fwrt, mem_cfg); fifo_len += iwl_fw_txf_len(fwrt, mem_cfg); /* Make room for PRPH registers */ - if (!fwrt->trans->cfg->gen2 && - iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PRPH)) - prph_len += iwl_fw_get_prph_len(fwrt); + if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PRPH)) + iwl_fw_prph_handler(fwrt, &prph_len, + iwl_fw_get_prph_len); - if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000 && + if (fwrt->trans->mac_cfg->device_family == + IWL_DEVICE_FAMILY_7000 && iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_RADIO_REG)) radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ; } @@ -788,19 +877,19 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { file_len += sizeof(*dump_data) + - fwrt->trans->cfg->d3_debug_data_length * 2; + fwrt->trans->mac_cfg->base->d3_debug_data_length * 2; } /* If we only want a monitor dump, reset the file length */ - if (fwrt->dump.monitor_only) { + if (data->monitor_only) { file_len = sizeof(*dump_file) + sizeof(*dump_data) * 2 + sizeof(*dump_info) + sizeof(*dump_smem_cfg); } if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && - fwrt->dump.desc) + data->desc) file_len += sizeof(*dump_data) + sizeof(*dump_trig) + - fwrt->dump.desc->len; + data->desc->len; dump_file = vzalloc(file_len); if (!dump_file) @@ -815,20 +904,24 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); dump_data->len = cpu_to_le32(sizeof(*dump_info)); dump_info = (void *)dump_data->data; - dump_info->device_family = - fwrt->trans->cfg->device_family == - IWL_DEVICE_FAMILY_7000 ? - cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : - cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); + dump_info->hw_type = + cpu_to_le32(CSR_HW_REV_TYPE(fwrt->trans->info.hw_rev)); dump_info->hw_step = - cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev)); + cpu_to_le32(fwrt->trans->info.hw_rev_step); memcpy(dump_info->fw_human_readable, fwrt->fw->human_readable, sizeof(dump_info->fw_human_readable)); - strncpy(dump_info->dev_human_readable, fwrt->trans->cfg->name, - sizeof(dump_info->dev_human_readable) - 1); - strncpy(dump_info->bus_human_readable, fwrt->dev->bus->name, - sizeof(dump_info->bus_human_readable) - 1); - dump_info->rt_status = cpu_to_le32(fwrt->dump.rt_status); + strscpy_pad(dump_info->dev_human_readable, + fwrt->trans->info.name, + sizeof(dump_info->dev_human_readable)); + strscpy_pad(dump_info->bus_human_readable, fwrt->dev->bus->name, + sizeof(dump_info->bus_human_readable)); + dump_info->num_of_lmacs = fwrt->smem_cfg.num_lmacs; + dump_info->lmac_err_id[0] = + cpu_to_le32(fwrt->dump.lmac_err_id[0]); + if (fwrt->smem_cfg.num_lmacs > 1) + dump_info->lmac_err_id[1] = + cpu_to_le32(fwrt->dump.lmac_err_id[1]); + dump_info->umac_err_id = cpu_to_le32(fwrt->dump.umac_err_id); dump_data = iwl_fw_error_next_data(dump_data); } @@ -867,24 +960,25 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, if (fifo_len) { iwl_fw_dump_rxf(fwrt, &dump_data); iwl_fw_dump_txf(fwrt, &dump_data); - if (radio_len) - iwl_read_radio_regs(fwrt, &dump_data); } + if (radio_len) + iwl_read_radio_regs(fwrt, &dump_data); + if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && - fwrt->dump.desc) { + data->desc) { dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); dump_data->len = cpu_to_le32(sizeof(*dump_trig) + - fwrt->dump.desc->len); + data->desc->len); dump_trig = (void *)dump_data->data; - memcpy(dump_trig, &fwrt->dump.desc->trig_desc, - sizeof(*dump_trig) + fwrt->dump.desc->len); + memcpy(dump_trig, &data->desc->trig_desc, + sizeof(*dump_trig) + data->desc->len); dump_data = iwl_fw_error_next_data(dump_data); } /* In case we only want monitor dump, skip to dump trasport data */ - if (fwrt->dump.monitor_only) + if (data->monitor_only) goto out; if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) { @@ -904,7 +998,7 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, } iwl_fw_dump_mem(fwrt, &dump_data, smem_len, - fwrt->trans->cfg->smem_offset, + fwrt->trans->mac_cfg->base->smem_offset, IWL_FW_ERROR_DUMP_MEM_SMEM); iwl_fw_dump_mem(fwrt, &dump_data, sram2_len, @@ -913,8 +1007,8 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, } if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) { - u32 addr = fwrt->trans->cfg->d3_debug_data_base_addr; - size_t data_size = fwrt->trans->cfg->d3_debug_data_length; + u32 addr = fwrt->trans->mac_cfg->base->d3_debug_data_base_addr; + size_t data_size = fwrt->trans->mac_cfg->base->d3_debug_data_length; dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); dump_data->len = cpu_to_le32(data_size * 2); @@ -928,6 +1022,11 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, dump_data->data + data_size, data_size); + if (fwrt->sanitize_ops && fwrt->sanitize_ops->frob_mem) + fwrt->sanitize_ops->frob_mem(fwrt->sanitize_ctx, addr, + dump_data->data + data_size, + data_size); + dump_data = iwl_fw_error_next_data(dump_data); } @@ -935,293 +1034,1793 @@ _iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, if (iwl_fw_dbg_is_paging_enabled(fwrt)) iwl_dump_paging(fwrt, &dump_data); - if (prph_len) { - iwl_dump_prph(fwrt->trans, &dump_data, - iwl_prph_dump_addr_comm, - ARRAY_SIZE(iwl_prph_dump_addr_comm)); - - if (fwrt->trans->cfg->mq_rx_supported) - iwl_dump_prph(fwrt->trans, &dump_data, - iwl_prph_dump_addr_9000, - ARRAY_SIZE(iwl_prph_dump_addr_9000)); - } + if (prph_len) + iwl_fw_prph_handler(fwrt, &dump_data, iwl_dump_prph); out: dump_file->file_len = cpu_to_le32(file_len); return dump_file; } -static void iwl_dump_prph_ini(struct iwl_trans *trans, - struct iwl_fw_error_dump_data **data, - struct iwl_fw_ini_region_cfg *reg) +/** + * struct iwl_dump_ini_region_data - region data + * @reg_tlv: region TLV + * @dump_data: dump data + */ +struct iwl_dump_ini_region_data { + struct iwl_ucode_tlv *reg_tlv; + struct iwl_fwrt_dump_data *dump_data; +}; + +static int iwl_dump_ini_prph_mac_iter_common(struct iwl_fw_runtime *fwrt, + void *range_ptr, u32 addr, + __le32 size) { - struct iwl_fw_error_dump_prph *prph; - unsigned long flags; - u32 i, size = le32_to_cpu(reg->num_regions); + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + int i; - IWL_DEBUG_INFO(trans, "WRT PRPH dump\n"); + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = size; + for (i = 0; i < le32_to_cpu(size); i += 4) + *val++ = cpu_to_le32(iwl_read_prph(fwrt->trans, addr + i)); - if (!iwl_trans_grab_nic_access(trans, &flags)) - return; + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} - for (i = 0; i < size; i++) { - (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH); - (*data)->len = cpu_to_le32(le32_to_cpu(reg->size) + - sizeof(*prph)); - prph = (void *)(*data)->data; - prph->prph_start = reg->start_addr[i]; - prph->data[0] = cpu_to_le32(iwl_read_prph_no_grab(trans, - le32_to_cpu(prph->prph_start))); - *data = iwl_fw_error_next_data(*data); +static int +iwl_dump_ini_prph_mac_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 addr = le32_to_cpu(reg->addrs[idx]) + + le32_to_cpu(reg->dev_addr.offset); + + return iwl_dump_ini_prph_mac_iter_common(fwrt, range_ptr, addr, + reg->dev_addr.size); +} + +static int +iwl_dump_ini_prph_mac_block_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_addr_size *pairs = (void *)reg->addrs; + u32 addr = le32_to_cpu(reg->dev_addr_range.offset) + + le32_to_cpu(pairs[idx].addr); + + return iwl_dump_ini_prph_mac_iter_common(fwrt, range_ptr, addr, + pairs[idx].size); +} + +static int iwl_dump_ini_prph_phy_iter_common(struct iwl_fw_runtime *fwrt, + void *range_ptr, u32 addr, + __le32 size, __le32 offset) +{ + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + u32 indirect_wr_addr = WMAL_INDRCT_RD_CMD1; + u32 indirect_rd_addr = WMAL_MRSPF_1; + u32 prph_val; + u32 dphy_state; + u32 dphy_addr; + u32 prph_stts; + int i; + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = size; + + if (fwrt->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_AX210) + indirect_wr_addr = WMAL_INDRCT_CMD1; + + indirect_wr_addr += le32_to_cpu(offset); + indirect_rd_addr += le32_to_cpu(offset); + + if (!iwl_trans_grab_nic_access(fwrt->trans)) + return -EBUSY; + + dphy_addr = (offset) ? WFPM_LMAC2_PS_CTL_RW : WFPM_LMAC1_PS_CTL_RW; + dphy_state = iwl_read_umac_prph_no_grab(fwrt->trans, dphy_addr); + + for (i = 0; i < le32_to_cpu(size); i += 4) { + if (dphy_state == HBUS_TIMEOUT || + (dphy_state & WFPM_PS_CTL_RW_PHYRF_PD_FSM_CURSTATE_MSK) != + WFPM_PHYRF_STATE_ON) { + *val++ = cpu_to_le32(WFPM_DPHY_OFF); + continue; + } + + iwl_write_prph_no_grab(fwrt->trans, indirect_wr_addr, + WMAL_INDRCT_CMD(addr + i)); + + if (fwrt->trans->info.hw_rf_id != IWL_CFG_RF_TYPE_JF1 && + fwrt->trans->info.hw_rf_id != IWL_CFG_RF_TYPE_JF2 && + fwrt->trans->info.hw_rf_id != IWL_CFG_RF_TYPE_HR1 && + fwrt->trans->info.hw_rf_id != IWL_CFG_RF_TYPE_HR2) { + udelay(2); + prph_stts = iwl_read_prph_no_grab(fwrt->trans, + WMAL_MRSPF_STTS); + + /* Abort dump if status is 0xA5A5A5A2 or FIFO1 empty */ + if (prph_stts == WMAL_TIMEOUT_VAL || + !WMAL_MRSPF_STTS_IS_FIFO1_NOT_EMPTY(prph_stts)) + break; + } + + prph_val = iwl_read_prph_no_grab(fwrt->trans, + indirect_rd_addr); + *val++ = cpu_to_le32(prph_val); } - iwl_trans_release_nic_access(trans, &flags); + + iwl_trans_release_nic_access(fwrt->trans); + return sizeof(*range) + le32_to_cpu(range->range_data_size); } -static void iwl_dump_csr_ini(struct iwl_trans *trans, - struct iwl_fw_error_dump_data **data, - struct iwl_fw_ini_region_cfg *reg) +static int +iwl_dump_ini_prph_phy_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) { - int i, num = le32_to_cpu(reg->num_regions); - u32 size = le32_to_cpu(reg->size); + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 addr = le32_to_cpu(reg->addrs[idx]); - IWL_DEBUG_INFO(trans, "WRT CSR dump\n"); + return iwl_dump_ini_prph_phy_iter_common(fwrt, range_ptr, addr, + reg->dev_addr.size, + reg->dev_addr.offset); +} - for (i = 0; i < num; i++) { - u32 add = le32_to_cpu(reg->start_addr[i]); - __le32 *val; - int j; +static int +iwl_dump_ini_prph_phy_block_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_addr_size *pairs = (void *)reg->addrs; + u32 addr = le32_to_cpu(pairs[idx].addr); + + return iwl_dump_ini_prph_phy_iter_common(fwrt, range_ptr, addr, + pairs[idx].size, + reg->dev_addr_range.offset); +} - (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_CSR); - (*data)->len = cpu_to_le32(size); - val = (void *)(*data)->data; +static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + u32 addr = le32_to_cpu(reg->addrs[idx]) + + le32_to_cpu(reg->dev_addr.offset); + int i; - for (j = 0; j < size; j += 4) - *val++ = cpu_to_le32(iwl_trans_read32(trans, j + add)); + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = reg->dev_addr.size; + for (i = 0; i < le32_to_cpu(reg->dev_addr.size); i += 4) + *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, addr + i)); - *data = iwl_fw_error_next_data(*data); + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int iwl_dump_ini_config_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_trans *trans = fwrt->trans; + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + u32 addr = le32_to_cpu(reg->addrs[idx]) + + le32_to_cpu(reg->dev_addr.offset); + int i; + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = reg->dev_addr.size; + for (i = 0; i < le32_to_cpu(reg->dev_addr.size); i += 4) { + int ret; + u32 tmp; + + ret = iwl_trans_read_config32(trans, addr + i, &tmp); + if (ret < 0) + return ret; + + *val++ = cpu_to_le32(tmp); } + + return sizeof(*range) + le32_to_cpu(range->range_data_size); } -static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_trigger *trigger) +static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) { - int i, num, size = 0, hdr_len = sizeof(struct iwl_fw_error_dump_data); + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + u32 addr = le32_to_cpu(reg->addrs[idx]) + + le32_to_cpu(reg->dev_addr.offset); + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = reg->dev_addr.size; + iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, + le32_to_cpu(reg->dev_addr.size)); + + if (reg->sub_type == IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_HW_SMEM && + fwrt->sanitize_ops && fwrt->sanitize_ops->frob_txf) + fwrt->sanitize_ops->frob_txf(fwrt->sanitize_ctx, + range->data, + le32_to_cpu(reg->dev_addr.size)); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} - if (!trigger || !trigger->num_regions) - return 0; +static int _iwl_dump_ini_paging_iter(struct iwl_fw_runtime *fwrt, + void *range_ptr, u32 range_len, int idx) +{ + struct page *page = fwrt->fw_paging_db[idx].fw_paging_block; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + dma_addr_t addr = fwrt->fw_paging_db[idx].fw_paging_phys; + u32 page_size = fwrt->fw_paging_db[idx].fw_paging_size; + + range->page_num = cpu_to_le32(idx); + range->range_data_size = cpu_to_le32(page_size); + dma_sync_single_for_cpu(fwrt->trans->dev, addr, page_size, + DMA_BIDIRECTIONAL); + memcpy(range->data, page_address(page), page_size); + dma_sync_single_for_device(fwrt->trans->dev, addr, page_size, + DMA_BIDIRECTIONAL); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} - num = le32_to_cpu(trigger->num_regions); - for (i = 0; i < num; i++) { - u32 reg_id = le32_to_cpu(trigger->data[i]); - struct iwl_fw_ini_region_cfg *reg; - enum iwl_fw_ini_region_type type; - u32 num_entries; +static int iwl_dump_ini_paging_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_error_dump_range *range; + u32 page_size; - if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) - continue; + /* all paged index start from 1 to skip CSS section */ + idx++; + + if (!fwrt->trans->mac_cfg->gen2) + return _iwl_dump_ini_paging_iter(fwrt, range_ptr, range_len, idx); + + range = range_ptr; + page_size = fwrt->trans->init_dram.paging[idx].size; + + range->page_num = cpu_to_le32(idx); + range->range_data_size = cpu_to_le32(page_size); + memcpy(range->data, fwrt->trans->init_dram.paging[idx].block, + page_size); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int +iwl_dump_ini_mon_dram_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + struct iwl_dram_data *frag; + u32 alloc_id = le32_to_cpu(reg->dram_alloc_id); + + frag = &fwrt->trans->dbg.fw_mon_ini[alloc_id].frags[idx]; + + range->dram_base_addr = cpu_to_le64(frag->physical); + range->range_data_size = cpu_to_le32(frag->size); + + memcpy(range->data, frag->block, frag->size); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int iwl_dump_ini_mon_smem_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + u32 addr = le32_to_cpu(reg->internal_buffer.base_addr); + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = reg->internal_buffer.size; + iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, + le32_to_cpu(reg->internal_buffer.size)); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static bool iwl_ini_txf_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_txf_iter_data *iter = &fwrt->dump.txf_iter_data; + struct iwl_fwrt_shared_mem_cfg *cfg = &fwrt->smem_cfg; + int txf_num = cfg->num_txfifo_entries; + int int_txf_num = ARRAY_SIZE(cfg->internal_txfifo_size); + u32 lmac_bitmap = le32_to_cpu(reg->fifos.fid[0]); + + if (!idx) { + if (le32_to_cpu(reg->fifos.offset) && cfg->num_lmacs == 1) { + IWL_ERR(fwrt, "WRT: Invalid lmac offset 0x%x\n", + le32_to_cpu(reg->fifos.offset)); + return false; + } + + iter->internal_txf = 0; + iter->fifo_size = 0; + iter->fifo = -1; + if (le32_to_cpu(reg->fifos.offset)) + iter->lmac = 1; + else + iter->lmac = 0; + } + + if (!iter->internal_txf) { + for (iter->fifo++; iter->fifo < txf_num; iter->fifo++) { + iter->fifo_size = + cfg->lmac[iter->lmac].txfifo_size[iter->fifo]; + if (iter->fifo_size && (lmac_bitmap & BIT(iter->fifo))) + return true; + } + iter->fifo--; + } + + iter->internal_txf = 1; + + if (!fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) + return false; + + for (iter->fifo++; iter->fifo < int_txf_num + txf_num; iter->fifo++) { + iter->fifo_size = + cfg->internal_txfifo_size[iter->fifo - txf_num]; + if (iter->fifo_size && (lmac_bitmap & BIT(iter->fifo))) + return true; + } + + return false; +} + +static int iwl_dump_ini_txf_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + struct iwl_txf_iter_data *iter = &fwrt->dump.txf_iter_data; + struct iwl_fw_ini_error_dump_register *reg_dump = (void *)range->data; + u32 offs = le32_to_cpu(reg->fifos.offset), addr; + u32 registers_num = iwl_tlv_array_len(reg_data->reg_tlv, reg, addrs); + u32 registers_size = registers_num * sizeof(*reg_dump); + __le32 *data; + int i; + + if (!iwl_ini_txf_iter(fwrt, reg_data, idx)) + return -EIO; + + if (!iwl_trans_grab_nic_access(fwrt->trans)) + return -EBUSY; + + range->fifo_hdr.fifo_num = cpu_to_le32(iter->fifo); + range->fifo_hdr.num_of_registers = cpu_to_le32(registers_num); + range->range_data_size = cpu_to_le32(iter->fifo_size + registers_size); + + iwl_write_prph_no_grab(fwrt->trans, TXF_LARC_NUM + offs, iter->fifo); + + /* + * read txf registers. for each register, write to the dump the + * register address and its value + */ + for (i = 0; i < registers_num; i++) { + addr = le32_to_cpu(reg->addrs[i]) + offs; + + reg_dump->addr = cpu_to_le32(addr); + reg_dump->data = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, + addr)); + + reg_dump++; + } + + if (reg->fifos.hdr_only) { + range->range_data_size = cpu_to_le32(registers_size); + goto out; + } + + /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */ + iwl_write_prph_no_grab(fwrt->trans, TXF_READ_MODIFY_ADDR + offs, + TXF_WR_PTR + offs); + + /* Dummy-read to advance the read pointer to the head */ + iwl_read_prph_no_grab(fwrt->trans, TXF_READ_MODIFY_DATA + offs); + + /* Read FIFO */ + addr = TXF_READ_MODIFY_DATA + offs; + data = (void *)reg_dump; + for (i = 0; i < iter->fifo_size; i += sizeof(*data)) + *data++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); + + if (fwrt->sanitize_ops && fwrt->sanitize_ops->frob_txf) + fwrt->sanitize_ops->frob_txf(fwrt->sanitize_ctx, + reg_dump, iter->fifo_size); - reg = fwrt->dump.active_regs[reg_id].reg; - if (WARN(!reg, "Unassigned region %d\n", reg_id)) +out: + iwl_trans_release_nic_access(fwrt->trans); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int +iwl_dump_ini_prph_snps_dphyip_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + __le32 offset = reg->dev_addr.offset; + u32 indirect_rd_wr_addr = DPHYIP_INDIRECT; + u32 addr = le32_to_cpu(reg->addrs[idx]); + u32 dphy_state, dphy_addr, prph_val; + int i; + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = reg->dev_addr.size; + + if (!iwl_trans_grab_nic_access(fwrt->trans)) + return -EBUSY; + + indirect_rd_wr_addr += le32_to_cpu(offset); + + dphy_addr = offset ? WFPM_LMAC2_PS_CTL_RW : WFPM_LMAC1_PS_CTL_RW; + dphy_state = iwl_read_umac_prph_no_grab(fwrt->trans, dphy_addr); + + for (i = 0; i < le32_to_cpu(reg->dev_addr.size); i += 4) { + if (dphy_state == HBUS_TIMEOUT || + (dphy_state & WFPM_PS_CTL_RW_PHYRF_PD_FSM_CURSTATE_MSK) != + WFPM_PHYRF_STATE_ON) { + *val++ = cpu_to_le32(WFPM_DPHY_OFF); continue; + } - type = le32_to_cpu(reg->region_type); - num_entries = le32_to_cpu(reg->num_regions); + iwl_write_prph_no_grab(fwrt->trans, indirect_rd_wr_addr, + addr + i); + /* wait a bit for value to be ready in register */ + udelay(1); + prph_val = iwl_read_prph_no_grab(fwrt->trans, + indirect_rd_wr_addr); + *val++ = cpu_to_le32((prph_val & DPHYIP_INDIRECT_RD_MSK) >> + DPHYIP_INDIRECT_RD_SHIFT); + } - switch (type) { - case IWL_FW_INI_REGION_DEVICE_MEMORY: - size += hdr_len + - sizeof(struct iwl_fw_error_dump_named_mem) + - le32_to_cpu(reg->size); - break; - case IWL_FW_INI_REGION_PERIPHERY_MAC: - case IWL_FW_INI_REGION_PERIPHERY_PHY: - case IWL_FW_INI_REGION_PERIPHERY_AUX: - size += num_entries * - (hdr_len + - sizeof(struct iwl_fw_error_dump_prph) + - sizeof(u32)); - break; - case IWL_FW_INI_REGION_TXF: - size += iwl_fw_txf_len(fwrt, &fwrt->smem_cfg); - break; - case IWL_FW_INI_REGION_RXF: - size += iwl_fw_rxf_len(fwrt, &fwrt->smem_cfg); + iwl_trans_release_nic_access(fwrt->trans); + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +struct iwl_ini_rxf_data { + u32 fifo_num; + u32 size; + u32 offset; +}; + +static void iwl_ini_get_rxf_data(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + struct iwl_ini_rxf_data *data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 fid1 = le32_to_cpu(reg->fifos.fid[0]); + u32 fid2 = le32_to_cpu(reg->fifos.fid[1]); + u8 fifo_idx; + + if (!data) + return; + + memset(data, 0, sizeof(*data)); + + /* make sure only one bit is set in only one fid */ + if (WARN_ONCE(hweight_long(fid1) + hweight_long(fid2) != 1, + "fid1=%x, fid2=%x\n", fid1, fid2)) + return; + + if (fid1) { + fifo_idx = ffs(fid1) - 1; + if (WARN_ONCE(fifo_idx >= MAX_NUM_LMAC, "fifo_idx=%d\n", + fifo_idx)) + return; + + data->size = fwrt->smem_cfg.lmac[fifo_idx].rxfifo1_size; + data->fifo_num = fifo_idx; + } else { + u8 max_idx; + + fifo_idx = ffs(fid2) - 1; + if (iwl_fw_lookup_notif_ver(fwrt->fw, SYSTEM_GROUP, + SHARED_MEM_CFG_CMD, 0) <= 3) + max_idx = 0; + else + max_idx = 1; + + if (WARN_ONCE(fifo_idx > max_idx, + "invalid umac fifo idx %d", fifo_idx)) + return; + + /* use bit 31 to distinguish between umac and lmac rxf while + * parsing the dump + */ + data->fifo_num = fifo_idx | IWL_RXF_UMAC_BIT; + + switch (fifo_idx) { + case 0: + data->size = fwrt->smem_cfg.rxfifo2_size; + data->offset = iwl_umac_prph(fwrt->trans, + RXF_DIFF_FROM_PREV); break; - case IWL_FW_INI_REGION_PAGING: - if (!iwl_fw_dbg_is_paging_enabled(fwrt)) - break; - size += fwrt->num_of_paging_blk * - (hdr_len + - sizeof(struct iwl_fw_error_dump_paging) + - PAGING_BLOCK_SIZE); + case 1: + data->size = fwrt->smem_cfg.rxfifo2_control_size; + data->offset = iwl_umac_prph(fwrt->trans, + RXF2C_DIFF_FROM_PREV); break; - case IWL_FW_INI_REGION_CSR: - size += num_entries * - (hdr_len + le32_to_cpu(reg->size)); + } + } +} + +static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + struct iwl_ini_rxf_data rxf_data; + struct iwl_fw_ini_error_dump_register *reg_dump = (void *)range->data; + u32 offs = le32_to_cpu(reg->fifos.offset), addr; + u32 registers_num = iwl_tlv_array_len(reg_data->reg_tlv, reg, addrs); + u32 registers_size = registers_num * sizeof(*reg_dump); + __le32 *data; + int i; + + iwl_ini_get_rxf_data(fwrt, reg_data, &rxf_data); + if (!rxf_data.size) + return -EIO; + + if (!iwl_trans_grab_nic_access(fwrt->trans)) + return -EBUSY; + + range->fifo_hdr.fifo_num = cpu_to_le32(rxf_data.fifo_num); + range->fifo_hdr.num_of_registers = cpu_to_le32(registers_num); + range->range_data_size = cpu_to_le32(rxf_data.size + registers_size); + + /* + * read rxf registers. for each register, write to the dump the + * register address and its value + */ + for (i = 0; i < registers_num; i++) { + addr = le32_to_cpu(reg->addrs[i]) + offs; + + reg_dump->addr = cpu_to_le32(addr); + reg_dump->data = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, + addr)); + + reg_dump++; + } + + if (reg->fifos.hdr_only) { + range->range_data_size = cpu_to_le32(registers_size); + goto out; + } + + offs = rxf_data.offset; + + /* Lock fence */ + iwl_write_prph_no_grab(fwrt->trans, RXF_SET_FENCE_MODE + offs, 0x1); + /* Set fence pointer to the same place like WR pointer */ + iwl_write_prph_no_grab(fwrt->trans, RXF_LD_WR2FENCE + offs, 0x1); + /* Set fence offset */ + iwl_write_prph_no_grab(fwrt->trans, RXF_LD_FENCE_OFFSET_ADDR + offs, + 0x0); + + /* Read FIFO */ + addr = RXF_FIFO_RD_FENCE_INC + offs; + data = (void *)reg_dump; + for (i = 0; i < rxf_data.size; i += sizeof(*data)) + *data++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); + +out: + iwl_trans_release_nic_access(fwrt->trans); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int +iwl_dump_ini_err_table_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_region_err_table *err_table = ®->err_table; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + u32 addr = le32_to_cpu(err_table->base_addr) + + le32_to_cpu(err_table->offset); + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = err_table->size; + iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, + le32_to_cpu(err_table->size)); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int +iwl_dump_ini_special_mem_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_region_special_device_memory *special_mem = + ®->special_mem; + + struct iwl_fw_ini_error_dump_range *range = range_ptr; + u32 addr = le32_to_cpu(special_mem->base_addr) + + le32_to_cpu(special_mem->offset); + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = special_mem->size; + iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, + le32_to_cpu(special_mem->size)); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int +iwl_dump_ini_dbgi_sram_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + u32 prph_data; + int i; + + if (!iwl_trans_grab_nic_access(fwrt->trans)) + return -EBUSY; + + range->range_data_size = reg->dev_addr.size; + for (i = 0; i < (le32_to_cpu(reg->dev_addr.size) / 4); i++) { + prph_data = iwl_read_prph_no_grab(fwrt->trans, (i % 2) ? + DBGI_SRAM_TARGET_ACCESS_RDATA_MSB : + DBGI_SRAM_TARGET_ACCESS_RDATA_LSB); + if (iwl_trans_is_hw_error_value(prph_data)) { + iwl_trans_release_nic_access(fwrt->trans); + return -EBUSY; + } + *val++ = cpu_to_le32(prph_data); + } + iwl_trans_release_nic_access(fwrt->trans); + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int iwl_dump_ini_fw_pkt_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + struct iwl_fw_ini_error_dump_range *range = range_ptr; + struct iwl_rx_packet *pkt = reg_data->dump_data->fw_pkt; + u32 pkt_len; + + if (!pkt) + return -EIO; + + pkt_len = iwl_rx_packet_payload_len(pkt); + + memcpy(&range->fw_pkt_hdr, &pkt->hdr, sizeof(range->fw_pkt_hdr)); + range->range_data_size = cpu_to_le32(pkt_len); + + memcpy(range->data, pkt->data, pkt_len); + + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static int iwl_dump_ini_imr_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, u32 range_len, int idx) +{ + /* read the IMR memory and DMA it to SRAM */ + struct iwl_fw_ini_error_dump_range *range = range_ptr; + u64 imr_curr_addr = fwrt->trans->dbg.imr_data.imr_curr_addr; + u32 imr_rem_bytes = fwrt->trans->dbg.imr_data.imr2sram_remainbyte; + u32 sram_addr = fwrt->trans->dbg.imr_data.sram_addr; + u32 sram_size = fwrt->trans->dbg.imr_data.sram_size; + u32 size_to_dump = (imr_rem_bytes > sram_size) ? sram_size : imr_rem_bytes; + + range->range_data_size = cpu_to_le32(size_to_dump); + if (iwl_trans_write_imr_mem(fwrt->trans, sram_addr, + imr_curr_addr, size_to_dump)) { + IWL_ERR(fwrt, "WRT_DEBUG: IMR Memory transfer failed\n"); + return -1; + } + + fwrt->trans->dbg.imr_data.imr_curr_addr = imr_curr_addr + size_to_dump; + fwrt->trans->dbg.imr_data.imr2sram_remainbyte -= size_to_dump; + + iwl_trans_read_mem_bytes(fwrt->trans, sram_addr, range->data, + size_to_dump); + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + +static void * +iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_error_dump *dump = data; + + dump->header.version = cpu_to_le32(IWL_INI_DUMP_VER); + + return dump->data; +} + +/** + * mask_apply_and_normalize - applies mask on val and normalize the result + * + * @val: value + * @mask: mask to apply and to normalize with + * + * The normalization is based on the first set bit in the mask + * + * Returns: the extracted value + */ +static u32 mask_apply_and_normalize(u32 val, u32 mask) +{ + return (val & mask) >> (ffs(mask) - 1); +} + +static __le32 iwl_get_mon_reg(struct iwl_fw_runtime *fwrt, u32 alloc_id, + const struct iwl_fw_mon_reg *reg_info) +{ + u32 val, offs; + + /* The header addresses of DBGCi is calculate as follows: + * DBGC1 address + (0x100 * i) + */ + offs = (alloc_id - IWL_FW_INI_ALLOCATION_ID_DBGC1) * 0x100; + + if (!reg_info || !reg_info->addr || !reg_info->mask) + return 0; + + val = iwl_read_prph_no_grab(fwrt->trans, reg_info->addr + offs); + + return cpu_to_le32(mask_apply_and_normalize(val, reg_info->mask)); +} + +static void * +iwl_dump_ini_mon_fill_header(struct iwl_fw_runtime *fwrt, u32 alloc_id, + struct iwl_fw_ini_monitor_dump *data, + const struct iwl_fw_mon_regs *addrs) +{ + if (!iwl_trans_grab_nic_access(fwrt->trans)) { + IWL_ERR(fwrt, "Failed to get monitor header\n"); + return NULL; + } + + data->write_ptr = iwl_get_mon_reg(fwrt, alloc_id, + &addrs->write_ptr); + if (fwrt->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + u32 wrt_ptr = le32_to_cpu(data->write_ptr); + + data->write_ptr = cpu_to_le32(wrt_ptr >> 2); + } + data->cycle_cnt = iwl_get_mon_reg(fwrt, alloc_id, + &addrs->cycle_cnt); + data->cur_frag = iwl_get_mon_reg(fwrt, alloc_id, + &addrs->cur_frag); + + iwl_trans_release_nic_access(fwrt->trans); + + data->header.version = cpu_to_le32(IWL_INI_DUMP_VER); + + return data->data; +} + +static void * +iwl_dump_ini_mon_dram_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 alloc_id = le32_to_cpu(reg->dram_alloc_id); + + return iwl_dump_ini_mon_fill_header(fwrt, alloc_id, mon_dump, + &fwrt->trans->mac_cfg->base->mon_dram_regs); +} + +static void * +iwl_dump_ini_mon_smem_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 alloc_id = le32_to_cpu(reg->internal_buffer.alloc_id); + + return iwl_dump_ini_mon_fill_header(fwrt, alloc_id, mon_dump, + &fwrt->trans->mac_cfg->base->mon_smem_regs); +} + +static void * +iwl_dump_ini_mon_dbgi_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; + + return iwl_dump_ini_mon_fill_header(fwrt, + /* no offset calculation later */ + IWL_FW_INI_ALLOCATION_ID_DBGC1, + mon_dump, + &fwrt->trans->mac_cfg->base->mon_dbgi_regs); +} + +static void * +iwl_dump_ini_err_table_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_err_table_dump *dump = data; + + dump->header.version = cpu_to_le32(IWL_INI_DUMP_VER); + dump->version = reg->err_table.version; + + return dump->data; +} + +static void * +iwl_dump_ini_special_mem_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_special_device_memory *dump = data; + + dump->header.version = cpu_to_le32(IWL_INI_DUMP_VER); + dump->type = reg->special_mem.type; + dump->version = reg->special_mem.version; + + return dump->data; +} + +static void * +iwl_dump_ini_imr_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_error_dump *dump = data; + + dump->header.version = cpu_to_le32(IWL_INI_DUMP_VER); + + return dump->data; +} + +static u32 iwl_dump_ini_mem_ranges(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + + return iwl_tlv_array_len(reg_data->reg_tlv, reg, addrs); +} + +static u32 +iwl_dump_ini_mem_block_ranges(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + size_t size = sizeof(struct iwl_fw_ini_addr_size); + + return iwl_tlv_array_len_with_size(reg_data->reg_tlv, reg, size); +} + +static u32 iwl_dump_ini_paging_ranges(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + if (fwrt->trans->mac_cfg->gen2) { + if (fwrt->trans->init_dram.paging_cnt) + return fwrt->trans->init_dram.paging_cnt - 1; + else + return 0; + } + + return fwrt->num_of_paging_blk; +} + +static u32 +iwl_dump_ini_mon_dram_ranges(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_mon *fw_mon; + u32 ranges = 0, alloc_id = le32_to_cpu(reg->dram_alloc_id); + int i; + + fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id]; + + for (i = 0; i < fw_mon->num_frags; i++) { + if (!fw_mon->frags[i].size) break; - case IWL_FW_INI_REGION_DRAM_BUFFER: - /* Transport takes care of DRAM dumping */ - case IWL_FW_INI_REGION_INTERNAL_BUFFER: - case IWL_FW_INI_REGION_DRAM_IMR: - /* Undefined yet */ - default: + + ranges++; + } + + return ranges; +} + +static u32 iwl_dump_ini_txf_ranges(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + u32 num_of_fifos = 0; + + while (iwl_ini_txf_iter(fwrt, reg_data, num_of_fifos)) + num_of_fifos++; + + return num_of_fifos; +} + +static u32 iwl_dump_ini_single_range(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + return 1; +} + +static u32 iwl_dump_ini_imr_ranges(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + /* range is total number of pages need to copied from + *IMR memory to SRAM and later from SRAM to DRAM + */ + u32 imr_enable = fwrt->trans->dbg.imr_data.imr_enable; + u32 imr_size = fwrt->trans->dbg.imr_data.imr_size; + u32 sram_size = fwrt->trans->dbg.imr_data.sram_size; + + if (imr_enable == 0 || imr_size == 0 || sram_size == 0) { + IWL_DEBUG_INFO(fwrt, + "WRT: Invalid imr data enable: %d, imr_size: %d, sram_size: %d\n", + imr_enable, imr_size, sram_size); + return 0; + } + + return((imr_size % sram_size) ? (imr_size / sram_size + 1) : (imr_size / sram_size)); +} + +static u32 iwl_dump_ini_mem_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 size = le32_to_cpu(reg->dev_addr.size); + u32 ranges = iwl_dump_ini_mem_ranges(fwrt, reg_data); + + if (!size || !ranges) + return 0; + + return sizeof(struct iwl_fw_ini_error_dump) + ranges * + (size + sizeof(struct iwl_fw_ini_error_dump_range)); +} + +static u32 +iwl_dump_ini_mem_block_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_addr_size *pairs = (void *)reg->addrs; + u32 ranges = iwl_dump_ini_mem_block_ranges(fwrt, reg_data); + u32 size = sizeof(struct iwl_fw_ini_error_dump); + int range; + + if (!ranges) + return 0; + + for (range = 0; range < ranges; range++) + size += le32_to_cpu(pairs[range].size); + + return size + ranges * sizeof(struct iwl_fw_ini_error_dump_range); +} + +static u32 +iwl_dump_ini_paging_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + int i; + u32 range_header_len = sizeof(struct iwl_fw_ini_error_dump_range); + u32 size = sizeof(struct iwl_fw_ini_error_dump); + + /* start from 1 to skip CSS section */ + for (i = 1; i <= iwl_dump_ini_paging_ranges(fwrt, reg_data); i++) { + size += range_header_len; + if (fwrt->trans->mac_cfg->gen2) + size += fwrt->trans->init_dram.paging[i].size; + else + size += fwrt->fw_paging_db[i].fw_paging_size; + } + + return size; +} + +static u32 +iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_mon *fw_mon; + u32 size = 0, alloc_id = le32_to_cpu(reg->dram_alloc_id); + int i; + + fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id]; + + for (i = 0; i < fw_mon->num_frags; i++) { + struct iwl_dram_data *frag = &fw_mon->frags[i]; + + if (!frag->size) break; - } + + size += sizeof(struct iwl_fw_ini_error_dump_range) + frag->size; } + + if (size) + size += sizeof(struct iwl_fw_ini_monitor_dump); + return size; } -static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_trigger *trigger, - struct iwl_fw_error_dump_data **data, - u32 *dump_mask) +static u32 +iwl_dump_ini_mon_smem_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 size; + + size = le32_to_cpu(reg->internal_buffer.size); + if (!size) + return 0; + + size += sizeof(struct iwl_fw_ini_monitor_dump) + + sizeof(struct iwl_fw_ini_error_dump_range); + + return size; +} + +static u32 iwl_dump_ini_mon_dbgi_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 size = le32_to_cpu(reg->dev_addr.size); + u32 ranges = iwl_dump_ini_mem_ranges(fwrt, reg_data); + + if (!size || !ranges) + return 0; + + return sizeof(struct iwl_fw_ini_monitor_dump) + ranges * + (size + sizeof(struct iwl_fw_ini_error_dump_range)); +} + +static u32 iwl_dump_ini_txf_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_txf_iter_data *iter = &fwrt->dump.txf_iter_data; + u32 registers_num = iwl_tlv_array_len(reg_data->reg_tlv, reg, addrs); + u32 size = 0; + u32 fifo_hdr = sizeof(struct iwl_fw_ini_error_dump_range) + + registers_num * + sizeof(struct iwl_fw_ini_error_dump_register); + + while (iwl_ini_txf_iter(fwrt, reg_data, size)) { + size += fifo_hdr; + if (!reg->fifos.hdr_only) + size += iter->fifo_size; + } + + if (!size) + return 0; + + return size + sizeof(struct iwl_fw_ini_error_dump); +} + +static u32 iwl_dump_ini_rxf_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_ini_rxf_data rx_data; + u32 registers_num = iwl_tlv_array_len(reg_data->reg_tlv, reg, addrs); + u32 size = sizeof(struct iwl_fw_ini_error_dump) + + sizeof(struct iwl_fw_ini_error_dump_range) + + registers_num * sizeof(struct iwl_fw_ini_error_dump_register); + + if (reg->fifos.hdr_only) + return size; + + iwl_ini_get_rxf_data(fwrt, reg_data, &rx_data); + size += rx_data.size; + + return size; +} + +static u32 +iwl_dump_ini_err_table_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 size = le32_to_cpu(reg->err_table.size); + + if (size) + size += sizeof(struct iwl_fw_ini_err_table_dump) + + sizeof(struct iwl_fw_ini_error_dump_range); + + return size; +} + +static u32 +iwl_dump_ini_special_mem_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 size = le32_to_cpu(reg->special_mem.size); + + if (size) + size += sizeof(struct iwl_fw_ini_special_device_memory) + + sizeof(struct iwl_fw_ini_error_dump_range); + + return size; +} + +static u32 +iwl_dump_ini_fw_pkt_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + u32 size = 0; + + if (!reg_data->dump_data->fw_pkt) + return 0; + + size += iwl_rx_packet_payload_len(reg_data->dump_data->fw_pkt); + if (size) + size += sizeof(struct iwl_fw_ini_error_dump) + + sizeof(struct iwl_fw_ini_error_dump_range); + + return size; +} + +static u32 +iwl_dump_ini_imr_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + u32 ranges = 0; + u32 imr_enable = fwrt->trans->dbg.imr_data.imr_enable; + u32 imr_size = fwrt->trans->dbg.imr_data.imr_size; + u32 sram_size = fwrt->trans->dbg.imr_data.sram_size; + + if (imr_enable == 0 || imr_size == 0 || sram_size == 0) { + IWL_DEBUG_INFO(fwrt, + "WRT: Invalid imr data enable: %d, imr_size: %d, sram_size: %d\n", + imr_enable, imr_size, sram_size); + return 0; + } + ranges = iwl_dump_ini_imr_ranges(fwrt, reg_data); + if (!ranges) { + IWL_ERR(fwrt, "WRT: ranges :=%d\n", ranges); + return 0; + } + imr_size += sizeof(struct iwl_fw_ini_error_dump) + + ranges * sizeof(struct iwl_fw_ini_error_dump_range); + return imr_size; +} + +/** + * struct iwl_dump_ini_mem_ops - ini memory dump operations + * @get_num_of_ranges: returns the number of memory ranges in the region. + * @get_size: returns the total size of the region. + * @fill_mem_hdr: fills region type specific headers and returns pointer to + * the first range or NULL if failed to fill headers. + * @fill_range: copies a given memory range into the dump. + * Returns the size of the range or negative error value otherwise. + */ +struct iwl_dump_ini_mem_ops { + u32 (*get_num_of_ranges)(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data); + u32 (*get_size)(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data); + void *(*fill_mem_hdr)(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len); + int (*fill_range)(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range, u32 range_len, int idx); +}; + +/** + * iwl_dump_ini_mem - dump memory region + * + * @fwrt: fw runtime struct + * @list: list to add the dump tlv to + * @reg_data: memory region + * @ops: memory dump operations + * + * Creates a dump tlv and copy a memory region into it. + * + * Returns: the size of the current dump tlv or 0 if failed + */ +static u32 iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, struct list_head *list, + struct iwl_dump_ini_region_data *reg_data, + const struct iwl_dump_ini_mem_ops *ops) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_dump_entry *entry; + struct iwl_fw_ini_error_dump_data *tlv; + struct iwl_fw_ini_error_dump_header *header; + u32 type = reg->type; + u32 id = le32_get_bits(reg->id, IWL_FW_INI_REGION_ID_MASK); + u32 num_of_ranges, i, size; + u8 *range; + u32 free_size; + u64 header_size; + u32 dump_policy = IWL_FW_INI_DUMP_VERBOSE; + + IWL_DEBUG_FW(fwrt, "WRT: Collecting region: dump type=%d, id=%d, type=%d\n", + dump_policy, id, type); + + if (le32_to_cpu(reg->hdr.version) >= 2) { + u32 dp = le32_get_bits(reg->id, + IWL_FW_INI_REGION_DUMP_POLICY_MASK); + + if (dump_policy == IWL_FW_INI_DUMP_VERBOSE && + !(dp & IWL_FW_INI_DEBUG_DUMP_POLICY_NO_LIMIT)) { + IWL_DEBUG_FW(fwrt, + "WRT: no dump - type %d and policy mismatch=%d\n", + dump_policy, dp); + return 0; + } else if (dump_policy == IWL_FW_INI_DUMP_MEDIUM && + !(dp & IWL_FW_IWL_DEBUG_DUMP_POLICY_MAX_LIMIT_5MB)) { + IWL_DEBUG_FW(fwrt, + "WRT: no dump - type %d and policy mismatch=%d\n", + dump_policy, dp); + return 0; + } else if (dump_policy == IWL_FW_INI_DUMP_BRIEF && + !(dp & IWL_FW_INI_DEBUG_DUMP_POLICY_MAX_LIMIT_600KB)) { + IWL_DEBUG_FW(fwrt, + "WRT: no dump - type %d and policy mismatch=%d\n", + dump_policy, dp); + return 0; + } + } + + if (!ops->get_num_of_ranges || !ops->get_size || !ops->fill_mem_hdr || + !ops->fill_range) { + IWL_DEBUG_FW(fwrt, "WRT: no ops for collecting data\n"); + return 0; + } + + size = ops->get_size(fwrt, reg_data); + + if (size < sizeof(*header)) { + IWL_DEBUG_FW(fwrt, "WRT: size didn't include space for header\n"); + return 0; + } + + entry = vzalloc(sizeof(*entry) + sizeof(*tlv) + size); + if (!entry) + return 0; + + entry->size = sizeof(*tlv) + size; + + tlv = (void *)entry->data; + tlv->type = reg->type; + tlv->sub_type = reg->sub_type; + tlv->sub_type_ver = reg->sub_type_ver; + tlv->reserved = reg->reserved; + tlv->len = cpu_to_le32(size); + + num_of_ranges = ops->get_num_of_ranges(fwrt, reg_data); + + header = (void *)tlv->data; + header->region_id = cpu_to_le32(id); + header->num_of_ranges = cpu_to_le32(num_of_ranges); + header->name_len = cpu_to_le32(IWL_FW_INI_MAX_NAME); + memcpy(header->name, reg->name, IWL_FW_INI_MAX_NAME); + + free_size = size; + range = ops->fill_mem_hdr(fwrt, reg_data, header, free_size); + if (!range) { + IWL_ERR(fwrt, + "WRT: Failed to fill region header: id=%d, type=%d\n", + id, type); + goto out_err; + } + + header_size = range - (u8 *)header; + + if (WARN(header_size > free_size, + "header size %llu > free_size %d", + header_size, free_size)) { + IWL_ERR(fwrt, + "WRT: fill_mem_hdr used more than given free_size\n"); + goto out_err; + } + + free_size -= header_size; + + for (i = 0; i < num_of_ranges; i++) { + int range_size = ops->fill_range(fwrt, reg_data, range, + free_size, i); + + if (range_size < 0) { + IWL_ERR(fwrt, + "WRT: Failed to dump region: id=%d, type=%d\n", + id, type); + goto out_err; + } + + if (WARN(range_size > free_size, "range_size %d > free_size %d", + range_size, free_size)) { + IWL_ERR(fwrt, + "WRT: fill_raged used more than given free_size\n"); + goto out_err; + } + + free_size -= range_size; + range = range + range_size; + } + + list_add_tail(&entry->list, list); + + return entry->size; + +out_err: + vfree(entry); + + return 0; +} + +static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_trigger_tlv *trigger, + struct list_head *list) +{ + struct iwl_fw_ini_dump_entry *entry; + struct iwl_fw_error_dump_data *tlv; + struct iwl_fw_ini_dump_info *dump; + struct iwl_dbg_tlv_node *node; + struct iwl_fw_ini_dump_cfg_name *cfg_name; + u32 size = sizeof(*tlv) + sizeof(*dump); + u32 num_of_cfg_names = 0; + u32 hw_type, is_cdb; + + list_for_each_entry(node, &fwrt->trans->dbg.debug_info_tlv_list, list) { + size += sizeof(*cfg_name); + num_of_cfg_names++; + } + + entry = vzalloc(sizeof(*entry) + size); + if (!entry) + return 0; + + entry->size = size; + + tlv = (void *)entry->data; + tlv->type = cpu_to_le32(IWL_INI_DUMP_INFO_TYPE); + tlv->len = cpu_to_le32(size - sizeof(*tlv)); + + dump = (void *)tlv->data; + + dump->version = cpu_to_le32(IWL_INI_DUMP_VER); + dump->time_point = trigger->time_point; + dump->trigger_reason = trigger->trigger_reason; + dump->external_cfg_state = + cpu_to_le32(fwrt->trans->dbg.external_ini_cfg); + + dump->ver_type = cpu_to_le32(fwrt->dump.fw_ver.type); + dump->ver_subtype = cpu_to_le32(fwrt->dump.fw_ver.subtype); + + dump->hw_step = cpu_to_le32(fwrt->trans->info.hw_rev_step); + + hw_type = CSR_HW_REV_TYPE(fwrt->trans->info.hw_rev); + + is_cdb = CSR_HW_RFID_IS_CDB(fwrt->trans->info.hw_rf_id); + hw_type |= IWL_CDB_MASK(is_cdb); + + dump->hw_type = cpu_to_le32(hw_type); + + dump->rf_id_flavor = + cpu_to_le32(CSR_HW_RFID_FLAVOR(fwrt->trans->info.hw_rf_id)); + dump->rf_id_dash = cpu_to_le32(CSR_HW_RFID_DASH(fwrt->trans->info.hw_rf_id)); + dump->rf_id_step = cpu_to_le32(CSR_HW_RFID_STEP(fwrt->trans->info.hw_rf_id)); + dump->rf_id_type = cpu_to_le32(CSR_HW_RFID_TYPE(fwrt->trans->info.hw_rf_id)); + + dump->lmac_major = cpu_to_le32(fwrt->dump.fw_ver.lmac_major); + dump->lmac_minor = cpu_to_le32(fwrt->dump.fw_ver.lmac_minor); + dump->umac_major = cpu_to_le32(fwrt->dump.fw_ver.umac_major); + dump->umac_minor = cpu_to_le32(fwrt->dump.fw_ver.umac_minor); + + dump->fw_mon_mode = cpu_to_le32(fwrt->trans->dbg.ini_dest); + dump->regions_mask = trigger->regions_mask & + ~cpu_to_le64(fwrt->trans->dbg.unsupported_region_msk); + + dump->build_tag_len = cpu_to_le32(sizeof(dump->build_tag)); + memcpy(dump->build_tag, fwrt->fw->human_readable, + sizeof(dump->build_tag)); + + cfg_name = dump->cfg_names; + dump->num_of_cfg_names = cpu_to_le32(num_of_cfg_names); + list_for_each_entry(node, &fwrt->trans->dbg.debug_info_tlv_list, list) { + struct iwl_fw_ini_debug_info_tlv *debug_info = + (void *)node->tlv.data; + + BUILD_BUG_ON(sizeof(cfg_name->cfg_name) != + sizeof(debug_info->debug_cfg_name)); + + cfg_name->image_type = debug_info->image_type; + cfg_name->cfg_name_len = + cpu_to_le32(sizeof(cfg_name->cfg_name)); + memcpy(cfg_name->cfg_name, debug_info->debug_cfg_name, + sizeof(cfg_name->cfg_name)); + cfg_name++; + } + + /* add dump info TLV to the beginning of the list since it needs to be + * the first TLV in the dump + */ + list_add(&entry->list, list); + + return entry->size; +} + +static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = { + [IWL_FW_INI_REGION_INVALID] = {}, + [IWL_FW_INI_REGION_INTERNAL_BUFFER] = { + .get_num_of_ranges = iwl_dump_ini_single_range, + .get_size = iwl_dump_ini_mon_smem_get_size, + .fill_mem_hdr = iwl_dump_ini_mon_smem_fill_header, + .fill_range = iwl_dump_ini_mon_smem_iter, + }, + [IWL_FW_INI_REGION_DRAM_BUFFER] = { + .get_num_of_ranges = iwl_dump_ini_mon_dram_ranges, + .get_size = iwl_dump_ini_mon_dram_get_size, + .fill_mem_hdr = iwl_dump_ini_mon_dram_fill_header, + .fill_range = iwl_dump_ini_mon_dram_iter, + }, + [IWL_FW_INI_REGION_TXF] = { + .get_num_of_ranges = iwl_dump_ini_txf_ranges, + .get_size = iwl_dump_ini_txf_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_txf_iter, + }, + [IWL_FW_INI_REGION_RXF] = { + .get_num_of_ranges = iwl_dump_ini_single_range, + .get_size = iwl_dump_ini_rxf_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_rxf_iter, + }, + [IWL_FW_INI_REGION_LMAC_ERROR_TABLE] = { + .get_num_of_ranges = iwl_dump_ini_single_range, + .get_size = iwl_dump_ini_err_table_get_size, + .fill_mem_hdr = iwl_dump_ini_err_table_fill_header, + .fill_range = iwl_dump_ini_err_table_iter, + }, + [IWL_FW_INI_REGION_UMAC_ERROR_TABLE] = { + .get_num_of_ranges = iwl_dump_ini_single_range, + .get_size = iwl_dump_ini_err_table_get_size, + .fill_mem_hdr = iwl_dump_ini_err_table_fill_header, + .fill_range = iwl_dump_ini_err_table_iter, + }, + [IWL_FW_INI_REGION_RSP_OR_NOTIF] = { + .get_num_of_ranges = iwl_dump_ini_single_range, + .get_size = iwl_dump_ini_fw_pkt_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_fw_pkt_iter, + }, + [IWL_FW_INI_REGION_DEVICE_MEMORY] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_dev_mem_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_MAC] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_prph_mac_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_PHY] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_prph_phy_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_MAC_RANGE] = { + .get_num_of_ranges = iwl_dump_ini_mem_block_ranges, + .get_size = iwl_dump_ini_mem_block_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_prph_mac_block_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_PHY_RANGE] = { + .get_num_of_ranges = iwl_dump_ini_mem_block_ranges, + .get_size = iwl_dump_ini_mem_block_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_prph_phy_block_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_AUX] = {}, + [IWL_FW_INI_REGION_PAGING] = { + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .get_num_of_ranges = iwl_dump_ini_paging_ranges, + .get_size = iwl_dump_ini_paging_get_size, + .fill_range = iwl_dump_ini_paging_iter, + }, + [IWL_FW_INI_REGION_CSR] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_csr_iter, + }, + [IWL_FW_INI_REGION_DRAM_IMR] = { + .get_num_of_ranges = iwl_dump_ini_imr_ranges, + .get_size = iwl_dump_ini_imr_get_size, + .fill_mem_hdr = iwl_dump_ini_imr_fill_header, + .fill_range = iwl_dump_ini_imr_iter, + }, + [IWL_FW_INI_REGION_PCI_IOSF_CONFIG] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_config_iter, + }, + [IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY] = { + .get_num_of_ranges = iwl_dump_ini_single_range, + .get_size = iwl_dump_ini_special_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_special_mem_fill_header, + .fill_range = iwl_dump_ini_special_mem_iter, + }, + [IWL_FW_INI_REGION_DBGI_SRAM] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mon_dbgi_get_size, + .fill_mem_hdr = iwl_dump_ini_mon_dbgi_fill_header, + .fill_range = iwl_dump_ini_dbgi_sram_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_SNPS_DPHYIP] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_prph_snps_dphyip_iter, + }, +}; + +enum iwl_dump_ini_region_selector { + IWL_INI_DUMP_ALL_REGIONS, + IWL_INI_DUMP_EARLY_REGIONS, + IWL_INI_DUMP_LATE_REGIONS, +}; + +static bool iwl_dump_due_to_error(enum iwl_fw_ini_time_point tp_id) { - int i, num = le32_to_cpu(trigger->num_regions); + return tp_id == IWL_FW_INI_TIME_POINT_FW_ASSERT || + tp_id == IWL_FW_INI_TIME_POINT_FW_HW_ERROR; +} + +static u32 +iwl_dump_ini_dump_regions(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data, + struct list_head *list, + enum iwl_fw_ini_time_point tp_id, + u64 regions_mask, + struct iwl_dump_ini_region_data *imr_reg_data, + enum iwl_dump_ini_region_selector which) +{ + u32 size = 0; - for (i = 0; i < num; i++) { - u32 reg_id = le32_to_cpu(trigger->data[i]); - enum iwl_fw_ini_region_type type; - struct iwl_fw_ini_region_cfg *reg; + for (int i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions); i++) { + struct iwl_dump_ini_region_data reg_data = { + .dump_data = dump_data, + }; + u32 reg_type, dp; + struct iwl_fw_ini_region_tlv *reg; - if (reg_id >= ARRAY_SIZE(fwrt->dump.active_regs)) + if (!(BIT_ULL(i) & regions_mask)) continue; - reg = fwrt->dump.active_regs[reg_id].reg; - /* Don't warn, get_trigger_len already warned */ - if (!reg) + reg_data.reg_tlv = fwrt->trans->dbg.active_regions[i]; + if (!reg_data.reg_tlv) { + IWL_WARN(fwrt, + "WRT: Unassigned region id %d, skipping\n", i); continue; + } - type = le32_to_cpu(reg->region_type); - switch (type) { - case IWL_FW_INI_REGION_DEVICE_MEMORY: - if (WARN_ON(le32_to_cpu(reg->num_regions) > 1)) - continue; - iwl_fw_dump_named_mem(fwrt, data, - le32_to_cpu(reg->size), - le32_to_cpu(reg->start_addr[0]), - reg->name, - le32_to_cpu(reg->name_len)); + reg = (void *)reg_data.reg_tlv->data; + reg_type = reg->type; + if (reg_type >= ARRAY_SIZE(iwl_dump_ini_region_ops)) + continue; + + dp = le32_get_bits(reg->id, IWL_FW_INI_REGION_DUMP_POLICY_MASK); + + if ((reg_type == IWL_FW_INI_REGION_PERIPHERY_PHY || + reg_type == IWL_FW_INI_REGION_PERIPHERY_PHY_RANGE || + reg_type == IWL_FW_INI_REGION_PERIPHERY_SNPS_DPHYIP) && + tp_id != IWL_FW_INI_TIME_POINT_FW_ASSERT) { + IWL_WARN(fwrt, + "WRT: trying to collect phy prph at time point: %d, skipping\n", + tp_id); + continue; + } + + switch (which) { + case IWL_INI_DUMP_ALL_REGIONS: break; - case IWL_FW_INI_REGION_PERIPHERY_MAC: - case IWL_FW_INI_REGION_PERIPHERY_PHY: - case IWL_FW_INI_REGION_PERIPHERY_AUX: - iwl_dump_prph_ini(fwrt->trans, data, reg); + case IWL_INI_DUMP_EARLY_REGIONS: + if (!(dp & IWL_FW_IWL_DEBUG_DUMP_POLICY_BEFORE_RESET)) + continue; break; - case IWL_FW_INI_REGION_DRAM_BUFFER: - *dump_mask |= IWL_FW_ERROR_DUMP_FW_MONITOR; + case IWL_INI_DUMP_LATE_REGIONS: + if (dp & IWL_FW_IWL_DEBUG_DUMP_POLICY_BEFORE_RESET) + continue; break; - case IWL_FW_INI_REGION_PAGING: - if (iwl_fw_dbg_is_paging_enabled(fwrt)) - iwl_dump_paging(fwrt, data); + } + + /* + * DRAM_IMR can be collected only for FW/HW error timepoint + * when fw is not alive. In addition, it must be collected + * lastly as it overwrites SRAM that can possibly contain + * debug data which also need to be collected. + */ + if (reg_type == IWL_FW_INI_REGION_DRAM_IMR) { + if (iwl_dump_due_to_error(tp_id)) + imr_reg_data->reg_tlv = + fwrt->trans->dbg.active_regions[i]; else - *dump_mask |= IWL_FW_ERROR_DUMP_PAGING; - break; - case IWL_FW_INI_REGION_TXF: - iwl_fw_dump_txf(fwrt, data); - break; - case IWL_FW_INI_REGION_RXF: - iwl_fw_dump_rxf(fwrt, data); - break; - case IWL_FW_INI_REGION_CSR: - iwl_dump_csr_ini(fwrt->trans, data, reg); - break; - case IWL_FW_INI_REGION_DRAM_IMR: - case IWL_FW_INI_REGION_INTERNAL_BUFFER: - /* This is undefined yet */ - default: - break; + IWL_INFO(fwrt, + "WRT: trying to collect DRAM_IMR at time point: %d, skipping\n", + tp_id); + /* continue to next region */ + continue; } + + + size += iwl_dump_ini_mem(fwrt, list, ®_data, + &iwl_dump_ini_region_ops[reg_type]); } + + return size; } -static struct iwl_fw_error_dump_file * -_iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, - struct iwl_fw_dump_ptrs *fw_error_dump, - u32 *dump_mask) +static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data, + struct list_head *list) { - int size, id = le32_to_cpu(fwrt->dump.desc->trig_desc.type); - struct iwl_fw_error_dump_data *dump_data; - struct iwl_fw_error_dump_file *dump_file; - struct iwl_fw_ini_trigger *trigger, *ext; + struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig; + enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trigger->time_point); + struct iwl_dump_ini_region_data imr_reg_data = { + .dump_data = dump_data, + }; + u32 size = 0; + u64 regions_mask = le64_to_cpu(trigger->regions_mask) & + ~(fwrt->trans->dbg.unsupported_region_msk); + + BUILD_BUG_ON(sizeof(trigger->regions_mask) != sizeof(regions_mask)); + BUILD_BUG_ON((sizeof(trigger->regions_mask) * BITS_PER_BYTE) < + ARRAY_SIZE(fwrt->trans->dbg.active_regions)); + + if (trigger->apply_policy & + cpu_to_le32(IWL_FW_INI_APPLY_POLICY_SPLIT_DUMP_RESET)) { + size += iwl_dump_ini_dump_regions(fwrt, dump_data, list, tp_id, + regions_mask, &imr_reg_data, + IWL_INI_DUMP_EARLY_REGIONS); + iwl_trans_pcie_fw_reset_handshake(fwrt->trans); + size += iwl_dump_ini_dump_regions(fwrt, dump_data, list, tp_id, + regions_mask, &imr_reg_data, + IWL_INI_DUMP_LATE_REGIONS); + } else { + if (fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_RESET_DURING_ASSERT) && + iwl_dump_due_to_error(tp_id)) + iwl_trans_pcie_fw_reset_handshake(fwrt->trans); + size += iwl_dump_ini_dump_regions(fwrt, dump_data, list, tp_id, + regions_mask, &imr_reg_data, + IWL_INI_DUMP_ALL_REGIONS); + } + /* collect DRAM_IMR region in the last */ + if (imr_reg_data.reg_tlv) + size += iwl_dump_ini_mem(fwrt, list, &imr_reg_data, + &iwl_dump_ini_region_ops[IWL_FW_INI_REGION_DRAM_IMR]); - if (id == FW_DBG_TRIGGER_FW_ASSERT) - id = IWL_FW_TRIGGER_ID_FW_ASSERT; - else if (id == FW_DBG_TRIGGER_USER) - id = IWL_FW_TRIGGER_ID_USER_TRIGGER; - else if (id < FW_DBG_TRIGGER_MAX) - return NULL; + if (size) { + size += iwl_dump_ini_info(fwrt, trigger, list); + } - if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) - return NULL; + return size; +} - trigger = fwrt->dump.active_trigs[id].conf; - ext = fwrt->dump.active_trigs[id].conf_ext; +static bool iwl_fw_ini_trigger_on(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_trigger_tlv *trig) +{ + enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trig->time_point); + u32 usec = le32_to_cpu(trig->ignore_consec); - size = sizeof(*dump_file); - size += iwl_fw_ini_get_trigger_len(fwrt, trigger); - size += iwl_fw_ini_get_trigger_len(fwrt, ext); + if (!iwl_trans_dbg_ini_valid(fwrt->trans) || + tp_id == IWL_FW_INI_TIME_POINT_INVALID || + tp_id >= IWL_FW_INI_TIME_POINT_NUM || + iwl_fw_dbg_no_trig_window(fwrt, tp_id, usec)) + return false; - if (!size) - return NULL; + return true; +} - dump_file = vzalloc(size); - if (!dump_file) - return NULL; +static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data, + struct list_head *list) +{ + struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig; + struct iwl_fw_ini_dump_entry *entry; + struct iwl_fw_ini_dump_file_hdr *hdr; + u32 size; - fw_error_dump->fwrt_ptr = dump_file; + if (!trigger || !iwl_fw_ini_trigger_on(fwrt, trigger) || + !le64_to_cpu(trigger->regions_mask)) + return 0; - dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); - dump_data = (void *)dump_file->data; - dump_file->file_len = cpu_to_le32(size); + entry = vzalloc(sizeof(*entry) + sizeof(*hdr)); + if (!entry) + return 0; - *dump_mask = 0; - if (trigger) - iwl_fw_ini_dump_trigger(fwrt, trigger, &dump_data, dump_mask); - if (ext) - iwl_fw_ini_dump_trigger(fwrt, ext, &dump_data, dump_mask); + entry->size = sizeof(*hdr); - return dump_file; + size = iwl_dump_ini_trigger(fwrt, dump_data, list); + if (!size) { + vfree(entry); + return 0; + } + + hdr = (void *)entry->data; + hdr->barker = cpu_to_le32(IWL_FW_INI_ERROR_DUMP_BARKER); + hdr->file_len = cpu_to_le32(size + entry->size); + + list_add(&entry->list, list); + + return le32_to_cpu(hdr->file_len); } -void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt) +static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt, + const struct iwl_fw_dump_desc *desc) { - struct iwl_fw_dump_ptrs *fw_error_dump; + if (desc && desc != &iwl_dump_desc_assert) + kfree(desc); + + fwrt->dump.lmac_err_id[0] = 0; + if (fwrt->smem_cfg.num_lmacs > 1) + fwrt->dump.lmac_err_id[1] = 0; + fwrt->dump.umac_err_id = 0; +} + +static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data) +{ + struct iwl_fw_dump_ptrs fw_error_dump = {}; struct iwl_fw_error_dump_file *dump_file; struct scatterlist *sg_dump_data; u32 file_len; u32 dump_mask = fwrt->fw->dbg.dump_mask; - IWL_DEBUG_INFO(fwrt, "WRT dump start\n"); - - /* there's no point in fw dump if the bus is dead */ - if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) { - IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n"); - goto out; - } - - fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); - if (!fw_error_dump) - goto out; - - if (fwrt->trans->ini_valid) - dump_file = _iwl_fw_error_ini_dump(fwrt, fw_error_dump, - &dump_mask); - else - dump_file = _iwl_fw_error_dump(fwrt, fw_error_dump); - - if (!dump_file) { - kfree(fw_error_dump); - goto out; - } + dump_file = iwl_fw_error_dump_file(fwrt, &fw_error_dump, dump_data); + if (!dump_file) + return; - if (!fwrt->trans->ini_valid && fwrt->dump.monitor_only) - dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR; + if (dump_data->monitor_only) + dump_mask &= BIT(IWL_FW_ERROR_DUMP_FW_MONITOR); - fw_error_dump->trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask); + fw_error_dump.trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask, + fwrt->sanitize_ops, + fwrt->sanitize_ctx); file_len = le32_to_cpu(dump_file->file_len); - fw_error_dump->fwrt_len = file_len; - if (fw_error_dump->trans_ptr) { - file_len += fw_error_dump->trans_ptr->len; + fw_error_dump.fwrt_len = file_len; + + if (fw_error_dump.trans_ptr) { + file_len += fw_error_dump.trans_ptr->len; dump_file->file_len = cpu_to_le32(file_len); } @@ -1229,115 +2828,168 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt) if (sg_dump_data) { sg_pcopy_from_buffer(sg_dump_data, sg_nents(sg_dump_data), - fw_error_dump->fwrt_ptr, - fw_error_dump->fwrt_len, 0); - if (fw_error_dump->trans_ptr) + fw_error_dump.fwrt_ptr, + fw_error_dump.fwrt_len, 0); + if (fw_error_dump.trans_ptr) sg_pcopy_from_buffer(sg_dump_data, sg_nents(sg_dump_data), - fw_error_dump->trans_ptr->data, - fw_error_dump->trans_ptr->len, - fw_error_dump->fwrt_len); + fw_error_dump.trans_ptr->data, + fw_error_dump.trans_ptr->len, + fw_error_dump.fwrt_len); dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, GFP_KERNEL); } - vfree(fw_error_dump->fwrt_ptr); - vfree(fw_error_dump->trans_ptr); - kfree(fw_error_dump); - -out: - iwl_fw_free_dump_desc(fwrt); - clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); - IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); + vfree(fw_error_dump.fwrt_ptr); + vfree(fw_error_dump.trans_ptr); } -IWL_EXPORT_SYMBOL(iwl_fw_error_dump); -const struct iwl_fw_dump_desc iwl_dump_desc_assert = { - .trig_desc = { - .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), - }, -}; -IWL_EXPORT_SYMBOL(iwl_dump_desc_assert); +static void iwl_dump_ini_list_free(struct list_head *list) +{ + while (!list_empty(list)) { + struct iwl_fw_ini_dump_entry *entry = + list_entry(list->next, typeof(*entry), list); -void iwl_fw_assert_error_dump(struct iwl_fw_runtime *fwrt) + list_del(&entry->list); + vfree(entry); + } +} + +static void iwl_fw_error_dump_data_free(struct iwl_fwrt_dump_data *dump_data) { - IWL_INFO(fwrt, "error dump due to fw assert\n"); - fwrt->dump.desc = &iwl_dump_desc_assert; - iwl_fw_error_dump(fwrt); + dump_data->trig = NULL; + kfree(dump_data->fw_pkt); + dump_data->fw_pkt = NULL; } -IWL_EXPORT_SYMBOL(iwl_fw_assert_error_dump); -void iwl_fw_alive_error_dump(struct iwl_fw_runtime *fwrt) +static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data) { - struct iwl_fw_dump_desc *iwl_dump_desc_no_alive = - kmalloc(sizeof(*iwl_dump_desc_no_alive), GFP_KERNEL); + LIST_HEAD(dump_list); + struct scatterlist *sg_dump_data; + u32 file_len = iwl_dump_ini_file_gen(fwrt, dump_data, &dump_list); - if (!iwl_dump_desc_no_alive) + if (!file_len) return; - iwl_dump_desc_no_alive->trig_desc.type = - cpu_to_le32(FW_DBG_TRIGGER_NO_ALIVE); - iwl_dump_desc_no_alive->len = 0; - - if (WARN_ON(fwrt->dump.desc)) - iwl_fw_free_dump_desc(fwrt); - - IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", - FW_DBG_TRIGGER_NO_ALIVE); - - fwrt->dump.desc = iwl_dump_desc_no_alive; - iwl_fw_error_dump(fwrt); - clear_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &fwrt->status); + sg_dump_data = alloc_sgtable(file_len); + if (sg_dump_data) { + struct iwl_fw_ini_dump_entry *entry; + int sg_entries = sg_nents(sg_dump_data); + u32 offs = 0; + + list_for_each_entry(entry, &dump_list, list) { + sg_pcopy_from_buffer(sg_dump_data, sg_entries, + entry->data, entry->size, offs); + offs += entry->size; + } + dev_coredumpsg(fwrt->trans->dev, sg_dump_data, file_len, + GFP_KERNEL); + } + iwl_dump_ini_list_free(&dump_list); } -IWL_EXPORT_SYMBOL(iwl_fw_alive_error_dump); + +const struct iwl_fw_dump_desc iwl_dump_desc_assert = { + .trig_desc = { + .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT), + }, +}; +IWL_EXPORT_SYMBOL(iwl_dump_desc_assert); int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, const struct iwl_fw_dump_desc *desc, bool monitor_only, unsigned int delay) { + struct iwl_fwrt_wk_data *wk_data; + unsigned long idx; + + if (iwl_trans_dbg_ini_valid(fwrt->trans)) { + iwl_fw_free_dump_desc(fwrt, desc); + return 0; + } + /* - * If the loading of the FW completed successfully, the next step is to - * get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non - * zero, the FW was already loaded successully. If the state is "NO_FW" - * in such a case - exit, since FW may be dead. Otherwise, we - * can try to collect the data, since FW might just not be fully - * loaded (no "ALIVE" yet), and the debug data is accessible. - * - * Corner case: got the FW alive but crashed before getting the SMEM - * config. In such a case, due to HW access problems, we might - * collect garbage. + * Check there is an available worker. + * ffz return value is undefined if no zero exists, + * so check against ~0UL first. */ - if (fwrt->trans->state == IWL_TRANS_NO_FW && - fwrt->smem_cfg.num_lmacs) - return -EIO; + if (fwrt->dump.active_wks == ~0UL) + return -EBUSY; + + idx = ffz(fwrt->dump.active_wks); - if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status) || - test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &fwrt->status)) + if (idx >= IWL_FW_RUNTIME_DUMP_WK_NUM || + test_and_set_bit(fwrt->dump.wks[idx].idx, &fwrt->dump.active_wks)) return -EBUSY; - if (WARN_ON(fwrt->dump.desc)) - iwl_fw_free_dump_desc(fwrt); + wk_data = &fwrt->dump.wks[idx]; + + if (WARN_ON(wk_data->dump_data.desc)) + iwl_fw_free_dump_desc(fwrt, wk_data->dump_data.desc); + + wk_data->dump_data.desc = desc; + wk_data->dump_data.monitor_only = monitor_only; IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", le32_to_cpu(desc->trig_desc.type)); - fwrt->dump.desc = desc; - fwrt->dump.monitor_only = monitor_only; - - schedule_delayed_work(&fwrt->dump.wk, delay); + queue_delayed_work(system_unbound_wq, &wk_data->wk, + usecs_to_jiffies(delay)); return 0; } IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc); -int _iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, - enum iwl_fw_dbg_trigger trig, - const char *str, size_t len, - struct iwl_fw_dbg_trigger_tlv *trigger) +int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, + enum iwl_fw_dbg_trigger trig_type) +{ + if (!iwl_trans_device_enabled(fwrt->trans)) + return -EIO; + + if (iwl_trans_dbg_ini_valid(fwrt->trans)) { + if (trig_type != FW_DBG_TRIGGER_ALIVE_TIMEOUT && + trig_type != FW_DBG_TRIGGER_DRIVER) + return -EIO; + + iwl_dbg_tlv_time_point(fwrt, + IWL_FW_INI_TIME_POINT_HOST_ALIVE_TIMEOUT, + NULL); + } else { + struct iwl_fw_dump_desc *iwl_dump_error_desc; + int ret; + + iwl_dump_error_desc = + kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL); + + if (!iwl_dump_error_desc) + return -ENOMEM; + + iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type); + iwl_dump_error_desc->len = 0; + + ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, + false, 0); + if (ret) { + kfree(iwl_dump_error_desc); + return ret; + } + } + + iwl_trans_sync_nmi(fwrt->trans); + + return 0; +} +IWL_EXPORT_SYMBOL(iwl_fw_dbg_error_collect); + +int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, + enum iwl_fw_dbg_trigger trig, + const char *str, size_t len, + struct iwl_fw_dbg_trigger_tlv *trigger) { struct iwl_fw_dump_desc *desc; unsigned int delay = 0; bool monitor_only = false; + int ret; if (trigger) { u16 occurrences = le16_to_cpu(trigger->occurrences) - 1; @@ -1353,11 +3005,13 @@ int _iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, } trigger->occurrences = cpu_to_le16(occurrences); - delay = le16_to_cpu(trigger->trig_dis_ms); monitor_only = trigger->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY; + + /* convert msec to usec */ + delay = le32_to_cpu(trigger->stop_delay) * USEC_PER_MSEC; } - desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); + desc = kzalloc(struct_size(desc, trig_desc.data, len), GFP_ATOMIC); if (!desc) return -ENOMEM; @@ -1366,48 +3020,11 @@ int _iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, desc->trig_desc.type = cpu_to_le32(trig); memcpy(desc->trig_desc.data, str, len); - return iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); -} -IWL_EXPORT_SYMBOL(_iwl_fw_dbg_collect); - -int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, - u32 id, const char *str, size_t len) -{ - struct iwl_fw_dump_desc *desc; - u32 occur, delay; - - if (!fwrt->trans->ini_valid) - return _iwl_fw_dbg_collect(fwrt, id, str, len, NULL); - - if (id == FW_DBG_TRIGGER_USER) - id = IWL_FW_TRIGGER_ID_USER_TRIGGER; - - if (WARN_ON(!fwrt->dump.active_trigs[id].active)) - return -EINVAL; - - delay = le32_to_cpu(fwrt->dump.active_trigs[id].conf->ignore_consec); - occur = le32_to_cpu(fwrt->dump.active_trigs[id].conf->occurrences); - if (!occur) - return 0; - - if (le32_to_cpu(fwrt->dump.active_trigs[id].conf->force_restart)) { - IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", id); - iwl_force_nmi(fwrt->trans); - return 0; - } - - desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); - if (!desc) - return -ENOMEM; - - occur--; - fwrt->dump.active_trigs[id].conf->occurrences = cpu_to_le32(occur); - - desc->len = len; - desc->trig_desc.type = cpu_to_le32(id); - memcpy(desc->trig_desc.data, str, len); + ret = iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); + if (ret) + kfree(desc); - return iwl_fw_dbg_collect_desc(fwrt, desc, true, delay); + return ret; } IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect); @@ -1415,10 +3032,10 @@ int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, struct iwl_fw_dbg_trigger_tlv *trigger, const char *fmt, ...) { - int ret, len = 0; + int len = 0; char buf[64]; - if (fwrt->trans->ini_valid) + if (iwl_trans_dbg_ini_valid(fwrt->trans)) return 0; if (fmt) { @@ -1437,13 +3054,8 @@ int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, len = strlen(buf) + 1; } - ret = _iwl_fw_dbg_collect(fwrt, le32_to_cpu(trigger->id), buf, len, + return iwl_fw_dbg_collect(fwrt, le32_to_cpu(trigger->id), buf, len, trigger); - - if (ret) - return ret; - - return 0; } IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_trig); @@ -1467,7 +3079,7 @@ int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) return -EINVAL; if (fwrt->dump.conf != FW_DBG_INVALID) - IWL_WARN(fwrt, "FW already configured (%d) - re-configuring\n", + IWL_INFO(fwrt, "FW already configured (%d) - re-configuring\n", fwrt->dump.conf); /* Send all HCMDs for configuring the FW debug */ @@ -1494,48 +3106,158 @@ int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) } IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf); +static void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt, + u32 timepoint, u32 timepoint_data) +{ + struct iwl_dbg_dump_complete_cmd hcmd_data; + struct iwl_host_cmd hcmd = { + .id = WIDE_ID(DEBUG_GROUP, FW_DUMP_COMPLETE_CMD), + .data[0] = &hcmd_data, + .len[0] = sizeof(hcmd_data), + }; + + if (iwl_trans_is_fw_error(fwrt->trans)) + return; + + if (fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_DUMP_COMPLETE_SUPPORT)) { + hcmd_data.tp = cpu_to_le32(timepoint); + hcmd_data.tp_data = cpu_to_le32(timepoint_data); + iwl_trans_send_cmd(fwrt->trans, &hcmd); + } +} + /* this function assumes dump_start was called beforehand and dump_end will be * called afterwards */ -void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt) +static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) { struct iwl_fw_dbg_params params = {0}; + struct iwl_fwrt_dump_data *dump_data = + &fwrt->dump.wks[wk_idx].dump_data; - if (!test_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) + if (!test_bit(wk_idx, &fwrt->dump.active_wks)) return; - if (fwrt->ops && fwrt->ops->fw_running && - !fwrt->ops->fw_running(fwrt->ops_ctx)) { - IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); - iwl_fw_free_dump_desc(fwrt); - clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); - return; + /* also checks 'desc' for pre-ini mode, since that shadows in union */ + if (!dump_data->trig) { + IWL_ERR(fwrt, "dump trigger data is not set\n"); + goto out; + } + + if (!iwl_trans_device_enabled(fwrt->trans)) { + IWL_ERR(fwrt, "Device is not enabled - cannot dump error\n"); + goto out; } - iwl_fw_dbg_stop_recording(fwrt, ¶ms); + /* there's no point in fw dump if the bus is dead */ + if (iwl_trans_is_dead(fwrt->trans)) { + IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n"); + goto out; + } - iwl_fw_error_dump(fwrt); + iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, true); - /* start recording again if the firmware is not crashed */ - if (!test_bit(STATUS_FW_ERROR, &fwrt->trans->status) && - fwrt->fw->dbg.dest_tlv) { - /* wait before we collect the data till the DBGC stop */ - udelay(500); - iwl_fw_dbg_restart_recording(fwrt, ¶ms); + IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection start\n"); + if (iwl_trans_dbg_ini_valid(fwrt->trans)) + iwl_fw_error_ini_dump(fwrt, dump_data); + else + iwl_fw_error_dump(fwrt, dump_data); + IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection done\n"); + + iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, false); + + if (iwl_trans_dbg_ini_valid(fwrt->trans)) { + u32 policy = le32_to_cpu(dump_data->trig->apply_policy); + u32 time_point = le32_to_cpu(dump_data->trig->time_point); + + if (policy & IWL_FW_INI_APPLY_POLICY_DUMP_COMPLETE_CMD) { + IWL_DEBUG_FW_INFO(fwrt, "WRT: sending dump complete\n"); + iwl_send_dbg_dump_complete_cmd(fwrt, time_point, 0); + } + } + + if (fwrt->trans->dbg.last_tp_resetfw == IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) + iwl_force_nmi(fwrt->trans); +out: + if (iwl_trans_dbg_ini_valid(fwrt->trans)) { + iwl_fw_error_dump_data_free(dump_data); + } else { + iwl_fw_free_dump_desc(fwrt, dump_data->desc); + dump_data->desc = NULL; + } + + clear_bit(wk_idx, &fwrt->dump.active_wks); +} + +int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data, + bool sync) +{ + struct iwl_fw_ini_trigger_tlv *trig = dump_data->trig; + enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trig->time_point); + u32 occur, delay; + unsigned long idx; + + if (!iwl_fw_ini_trigger_on(fwrt, trig)) { + IWL_WARN(fwrt, "WRT: Trigger %d is not active, aborting dump\n", + tp_id); + return -EINVAL; } + + delay = le32_to_cpu(trig->dump_delay); + occur = le32_to_cpu(trig->occurrences); + if (!occur) + return 0; + + trig->occurrences = cpu_to_le32(--occur); + + /* Check there is an available worker. + * ffz return value is undefined if no zero exists, + * so check against ~0UL first. + */ + if (fwrt->dump.active_wks == ~0UL) + return -EBUSY; + + idx = ffz(fwrt->dump.active_wks); + + if (idx >= IWL_FW_RUNTIME_DUMP_WK_NUM || + test_and_set_bit(fwrt->dump.wks[idx].idx, &fwrt->dump.active_wks)) + return -EBUSY; + + fwrt->dump.wks[idx].dump_data = *dump_data; + + if (sync) + delay = 0; + + IWL_WARN(fwrt, + "WRT: Collecting data: ini trigger %d fired (delay=%dms).\n", + tp_id, (u32)(delay / USEC_PER_MSEC)); + + if (sync) + iwl_fw_dbg_collect_sync(fwrt, idx); + else + queue_delayed_work(system_unbound_wq, + &fwrt->dump.wks[idx].wk, + usecs_to_jiffies(delay)); + + return 0; } -IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_sync); void iwl_fw_error_dump_wk(struct work_struct *work) { + struct iwl_fwrt_wk_data *wks = + container_of(work, typeof(*wks), wk.work); struct iwl_fw_runtime *fwrt = - container_of(work, struct iwl_fw_runtime, dump.wk.work); + container_of(wks, typeof(*fwrt), dump.wks[wks->idx]); - if (fwrt->ops && fwrt->ops->dump_start && - fwrt->ops->dump_start(fwrt->ops_ctx)) - return; + /* assumes the op mode mutex is locked in dump_start since + * iwl_fw_dbg_collect_sync can't run in parallel + */ + if (fwrt->ops && fwrt->ops->dump_start) + fwrt->ops->dump_start(fwrt->ops_ctx); - iwl_fw_dbg_collect_sync(fwrt); + iwl_fw_dbg_collect_sync(fwrt, wks->idx); if (fwrt->ops && fwrt->ops->dump_end) fwrt->ops->dump_end(fwrt->ops_ctx); @@ -1543,13 +3265,13 @@ void iwl_fw_error_dump_wk(struct work_struct *work) void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) { - const struct iwl_cfg *cfg = fwrt->trans->cfg; + const struct iwl_mac_cfg *mac_cfg = fwrt->trans->mac_cfg; if (!iwl_fw_dbg_is_d3_debug_enabled(fwrt)) return; if (!fwrt->dump.d3_debug_data) { - fwrt->dump.d3_debug_data = kmalloc(cfg->d3_debug_data_length, + fwrt->dump.d3_debug_data = kmalloc(mac_cfg->base->d3_debug_data_length, GFP_KERNEL); if (!fwrt->dump.d3_debug_data) { IWL_ERR(fwrt, @@ -1559,222 +3281,200 @@ void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) } /* if the buffer holds previous debug data it is overwritten */ - iwl_trans_read_mem_bytes(fwrt->trans, cfg->d3_debug_data_base_addr, + iwl_trans_read_mem_bytes(fwrt->trans, mac_cfg->base->d3_debug_data_base_addr, fwrt->dump.d3_debug_data, - cfg->d3_debug_data_length); + mac_cfg->base->d3_debug_data_length); + + if (fwrt->sanitize_ops && fwrt->sanitize_ops->frob_mem) + fwrt->sanitize_ops->frob_mem(fwrt->sanitize_ctx, + mac_cfg->base->d3_debug_data_base_addr, + fwrt->dump.d3_debug_data, + mac_cfg->base->d3_debug_data_length); } IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data); -static void -iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_allocation_tlv *alloc) +void iwl_fw_dbg_stop_sync(struct iwl_fw_runtime *fwrt) { - struct iwl_trans *trans = fwrt->trans; - struct iwl_continuous_record_cmd cont_rec = {}; - struct iwl_buffer_allocation_cmd *cmd = (void *)&cont_rec.pad[0]; - struct iwl_host_cmd hcmd = { - .id = LDBG_CONFIG_CMD, - .flags = CMD_ASYNC, - .data[0] = &cont_rec, - .len[0] = sizeof(cont_rec), - }; - void *virtual_addr = NULL; - u32 size = le32_to_cpu(alloc->size); - dma_addr_t phys_addr; - - cont_rec.record_mode.enable_recording = cpu_to_le16(BUFFER_ALLOCATION); - - if (!trans->num_blocks && - le32_to_cpu(alloc->buffer_location) != - IWL_FW_INI_LOCATION_DRAM_PATH) - return; - - virtual_addr = dma_alloc_coherent(fwrt->trans->dev, size, - &phys_addr, GFP_KERNEL); - - /* TODO: alloc fragments if needed */ - if (!virtual_addr) - IWL_ERR(fwrt, "Failed to allocate debug memory\n"); - - if (WARN_ON_ONCE(trans->num_blocks == ARRAY_SIZE(trans->fw_mon))) - return; - - trans->fw_mon[trans->num_blocks].block = virtual_addr; - trans->fw_mon[trans->num_blocks].physical = phys_addr; - trans->fw_mon[trans->num_blocks].size = size; - trans->num_blocks++; - - IWL_DEBUG_FW(trans, "Allocated debug block of size %d\n", size); - - /* First block is assigned via registers / context info */ - if (trans->num_blocks == 1) - return; + int i; - cmd->num_frags = cpu_to_le32(1); - cmd->fragments[0].address = cpu_to_le64(phys_addr); - cmd->fragments[0].size = alloc->size; - cmd->allocation_id = alloc->allocation_id; - cmd->buffer_location = alloc->buffer_location; + iwl_dbg_tlv_del_timers(fwrt->trans); + for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) + iwl_fw_dbg_collect_sync(fwrt, i); - iwl_trans_send_cmd(trans, &hcmd); + iwl_fw_dbg_stop_restart_recording(fwrt, NULL, true); } +IWL_EXPORT_SYMBOL(iwl_fw_dbg_stop_sync); -static void iwl_fw_dbg_send_hcmd(struct iwl_fw_runtime *fwrt, - struct iwl_ucode_tlv *tlv) +static int iwl_fw_dbg_suspend_resume_hcmd(struct iwl_trans *trans, bool suspend) { - struct iwl_fw_ini_hcmd_tlv *hcmd_tlv = (void *)&tlv->data[0]; - struct iwl_fw_ini_hcmd *data = &hcmd_tlv->hcmd; - u16 len = le32_to_cpu(tlv->length) - sizeof(*hcmd_tlv); - + struct iwl_dbg_suspend_resume_cmd cmd = { + .operation = suspend ? + cpu_to_le32(DBGC_SUSPEND_CMD) : + cpu_to_le32(DBGC_RESUME_CMD), + }; struct iwl_host_cmd hcmd = { - .id = WIDE_ID(data->group, data->id), - .len = { len, }, - .data = { data->data, }, + .id = WIDE_ID(DEBUG_GROUP, DBGC_SUSPEND_RESUME), + .data[0] = &cmd, + .len[0] = sizeof(cmd), }; - iwl_trans_send_cmd(fwrt->trans, &hcmd); + return iwl_trans_send_cmd(trans, &hcmd); } -static void iwl_fw_dbg_update_regions(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_region_tlv *tlv, - bool ext, enum iwl_fw_ini_apply_point pnt) +static void iwl_fw_dbg_stop_recording(struct iwl_trans *trans, + struct iwl_fw_dbg_params *params) { - void *iter = (void *)tlv->region_config; - int i, size = le32_to_cpu(tlv->num_regions); - - for (i = 0; i < size; i++) { - struct iwl_fw_ini_region_cfg *reg = iter; - int id = le32_to_cpu(reg->region_id); - struct iwl_fw_ini_active_regs *active; - - if (WARN(id >= ARRAY_SIZE(fwrt->dump.active_regs), - "Invalid region id %d for apply point %d\n", id, pnt)) - break; - - active = &fwrt->dump.active_regs[id]; - - if (ext && active->apply_point == pnt) - IWL_WARN(fwrt->trans, - "External region TLV overrides FW default %x\n", - id); + if (trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_7000) { + iwl_set_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x100); + return; + } - IWL_DEBUG_FW(fwrt, - "%s: apply point %d, activating region ID %d\n", - __func__, pnt, id); + if (params) { + params->in_sample = iwl_read_umac_prph(trans, DBGC_IN_SAMPLE); + params->out_ctrl = iwl_read_umac_prph(trans, DBGC_OUT_CTRL); + } - active->reg = reg; - active->apply_point = pnt; + iwl_write_umac_prph(trans, DBGC_IN_SAMPLE, 0); + /* wait for the DBGC to finish writing the internal buffer to DRAM to + * avoid halting the HW while writing + */ + usleep_range(700, 1000); + iwl_write_umac_prph(trans, DBGC_OUT_CTRL, 0); +} - if (le32_to_cpu(reg->region_type) != - IWL_FW_INI_REGION_DRAM_BUFFER) - iter += le32_to_cpu(reg->num_regions) * sizeof(__le32); +static int iwl_fw_dbg_restart_recording(struct iwl_trans *trans, + struct iwl_fw_dbg_params *params) +{ + if (!params) + return -EIO; - iter += sizeof(*reg); + if (trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_7000) { + iwl_clear_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x100); + iwl_clear_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x1); + iwl_set_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x1); + } else { + iwl_write_umac_prph(trans, DBGC_IN_SAMPLE, params->in_sample); + iwl_write_umac_prph(trans, DBGC_OUT_CTRL, params->out_ctrl); } + + return 0; } -static void iwl_fw_dbg_update_triggers(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_trigger_tlv *tlv, - bool ext, - enum iwl_fw_ini_apply_point apply_point) +int iwl_fw_send_timestamp_marker_cmd(struct iwl_fw_runtime *fwrt) { - int i, size = le32_to_cpu(tlv->num_triggers); - void *iter = (void *)tlv->trigger_config; - - for (i = 0; i < size; i++) { - struct iwl_fw_ini_trigger *trig = iter; - struct iwl_fw_ini_active_triggers *active; - int id = le32_to_cpu(trig->trigger_id); - u32 num; + struct iwl_mvm_marker marker = { + .dw_len = sizeof(struct iwl_mvm_marker) / 4, + .marker_id = MARKER_ID_SYNC_CLOCK, + }; + struct iwl_host_cmd hcmd = { + .flags = CMD_ASYNC, + .id = WIDE_ID(LONG_GROUP, MARKER_CMD), + .dataflags = {}, + }; + struct iwl_mvm_marker_rsp *resp; + int cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw, + WIDE_ID(LONG_GROUP, MARKER_CMD), + IWL_FW_CMD_VER_UNKNOWN); + int ret; - if (WARN_ON(id >= ARRAY_SIZE(fwrt->dump.active_trigs))) - break; + if (cmd_ver == 1) { + /* the real timestamp is taken from the ftrace clock + * this is for finding the match between fw and kernel logs + */ + marker.timestamp = cpu_to_le64(fwrt->timestamp.seq++); + } else if (cmd_ver == 2) { + marker.timestamp = cpu_to_le64(ktime_get_boottime_ns()); + } else { + IWL_DEBUG_INFO(fwrt, + "Invalid version of Marker CMD. Ver = %d\n", + cmd_ver); + return -EINVAL; + } - active = &fwrt->dump.active_trigs[id]; + hcmd.data[0] = ▮ + hcmd.len[0] = sizeof(marker); - if (active->apply_point != apply_point) { - active->conf = NULL; - active->conf_ext = NULL; - } + ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); - num = le32_to_cpu(trig->num_regions); + if (cmd_ver > 1 && hcmd.resp_pkt) { + resp = (void *)hcmd.resp_pkt->data; + IWL_DEBUG_INFO(fwrt, "FW GP2 time: %u\n", + le32_to_cpu(resp->gp2)); + } - if (ext && active->apply_point == apply_point) { - num += le32_to_cpu(active->conf->num_regions); - if (trig->ignore_default) { - active->conf_ext = active->conf; - active->conf = trig; - } else { - active->conf_ext = trig; - } - } else { - active->conf = trig; - } + return ret; +} - /* Since zero means infinity - just set to -1 */ - if (!le32_to_cpu(trig->occurrences)) - trig->occurrences = cpu_to_le32(-1); - if (!le32_to_cpu(trig->ignore_consec)) - trig->ignore_consec = cpu_to_le32(-1); +void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, + struct iwl_fw_dbg_params *params, + bool stop) +{ + int ret __maybe_unused = 0; - iter += sizeof(*trig) + - le32_to_cpu(trig->num_regions) * sizeof(__le32); + if (!iwl_trans_fw_running(fwrt->trans)) + return; - active->active = num; - active->apply_point = apply_point; + if (fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_DBG_SUSPEND_RESUME_CMD_SUPP)) { + if (stop) + iwl_fw_send_timestamp_marker_cmd(fwrt); + ret = iwl_fw_dbg_suspend_resume_hcmd(fwrt->trans, stop); + } else if (stop) { + iwl_fw_dbg_stop_recording(fwrt->trans, params); + } else { + ret = iwl_fw_dbg_restart_recording(fwrt->trans, params); + } +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (!ret) { + if (stop) + fwrt->trans->dbg.rec_on = false; + else + iwl_fw_set_dbg_rec_on(fwrt); } +#endif } +IWL_EXPORT_SYMBOL(iwl_fw_dbg_stop_restart_recording); -static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, - struct iwl_apply_point_data *data, - enum iwl_fw_ini_apply_point pnt, - bool ext) +void iwl_fw_disable_dbg_asserts(struct iwl_fw_runtime *fwrt) { - void *iter = data->data; + struct iwl_fw_dbg_config_cmd cmd = { + .type = cpu_to_le32(DEBUG_TOKEN_CONFIG_TYPE), + .conf = cpu_to_le32(IWL_FW_DBG_CONFIG_TOKEN), + }; + struct iwl_host_cmd hcmd = { + .id = WIDE_ID(LONG_GROUP, LDBG_CONFIG_CMD), + .data[0] = &cmd, + .len[0] = sizeof(cmd), + }; + u32 preset = u32_get_bits(fwrt->trans->dbg.domains_bitmap, + GENMASK(31, IWL_FW_DBG_DOMAIN_POS + 1)); - while (iter && iter < data->data + data->size) { - struct iwl_ucode_tlv *tlv = iter; - void *ini_tlv = (void *)tlv->data; - u32 type = le32_to_cpu(tlv->type); + /* supported starting from 9000 devices */ + if (fwrt->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_9000) + return; - switch (type) { - case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: - iwl_fw_dbg_buffer_allocation(fwrt, ini_tlv); - break; - case IWL_UCODE_TLV_TYPE_HCMD: - if (pnt < IWL_FW_INI_APPLY_AFTER_ALIVE) { - IWL_ERR(fwrt, - "Invalid apply point %x for host command\n", - pnt); - goto next; - } - iwl_fw_dbg_send_hcmd(fwrt, tlv); - break; - case IWL_UCODE_TLV_TYPE_REGIONS: - iwl_fw_dbg_update_regions(fwrt, ini_tlv, ext, pnt); - break; - case IWL_UCODE_TLV_TYPE_TRIGGERS: - iwl_fw_dbg_update_triggers(fwrt, ini_tlv, ext, pnt); - break; - case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: - break; - default: - WARN_ONCE(1, "Invalid TLV %x for apply point\n", type); - break; - } -next: - iter += sizeof(*tlv) + le32_to_cpu(tlv->length); - } + if (fwrt->trans->dbg.yoyo_bin_loaded || (preset && preset != 1)) + return; + + iwl_trans_send_cmd(fwrt->trans, &hcmd); } +IWL_EXPORT_SYMBOL(iwl_fw_disable_dbg_asserts); -void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, - enum iwl_fw_ini_apply_point apply_point) +void iwl_fw_dbg_clear_monitor_buf(struct iwl_fw_runtime *fwrt) { - void *data = &fwrt->trans->apply_points[apply_point]; + struct iwl_fw_dbg_params params = {0}; + + iwl_fw_dbg_stop_sync(fwrt); - _iwl_fw_dbg_apply_point(fwrt, data, apply_point, false); + if (fw_has_api(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_API_INT_DBG_BUF_CLEAR)) { + struct iwl_host_cmd hcmd = { + .id = WIDE_ID(DEBUG_GROUP, FW_CLEAR_BUFFER), + }; + iwl_trans_send_cmd(fwrt->trans, &hcmd); + } - data = &fwrt->trans->apply_points_ext[apply_point]; - _iwl_fw_dbg_apply_point(fwrt, data, apply_point, true); + iwl_dbg_tlv_init_cfg(fwrt); + iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, false); } -IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point); +IWL_EXPORT_SYMBOL(iwl_fw_dbg_clear_monitor_buf); |