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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c1031
1 files changed, 0 insertions, 1031 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
deleted file mode 100644
index 1602b360353c..000000000000
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
+++ /dev/null
@@ -1,1031 +0,0 @@
-/******************************************************************************
- *
- * 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
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program;
- *
- * 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
- * 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.
- *
- *****************************************************************************/
-#include <linux/devcoredump.h>
-
-#include "fw-dbg.h"
-#include "iwl-io.h"
-#include "mvm.h"
-#include "iwl-prph.h"
-#include "iwl-csr.h"
-
-#define RADIO_REG_MAX_READ 0x2ad
-static void iwl_mvm_read_radio_reg(struct iwl_mvm *mvm,
- struct iwl_fw_error_dump_data **dump_data)
-{
- u8 *pos = (void *)(*dump_data)->data;
- unsigned long flags;
- int i;
-
- if (!iwl_trans_grab_nic_access(mvm->trans, &flags))
- return;
-
- (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RADIO_REG);
- (*dump_data)->len = cpu_to_le32(RADIO_REG_MAX_READ);
-
- for (i = 0; i < RADIO_REG_MAX_READ; i++) {
- u32 rd_cmd = RADIO_RSP_RD_CMD;
-
- rd_cmd |= i << RADIO_RSP_ADDR_POS;
- iwl_write_prph_no_grab(mvm->trans, RSP_RADIO_CMD, rd_cmd);
- *pos = (u8)iwl_read_prph_no_grab(mvm->trans, RSP_RADIO_RDDAT);
-
- pos++;
- }
-
- *dump_data = iwl_fw_error_next_data(*dump_data);
-
- iwl_trans_release_nic_access(mvm->trans, &flags);
-}
-
-static void iwl_mvm_dump_rxf(struct iwl_mvm *mvm,
- struct iwl_fw_error_dump_data **dump_data,
- int size, u32 offset, int fifo_num)
-{
- struct iwl_fw_error_dump_fifo *fifo_hdr;
- u32 *fifo_data;
- u32 fifo_len;
- int i;
-
- fifo_hdr = (void *)(*dump_data)->data;
- fifo_data = (void *)fifo_hdr->data;
- fifo_len = size;
-
- /* No need to try to read the data if the length is 0 */
- if (fifo_len == 0)
- return;
-
- /* Add a TLV for the RXF */
- (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
- (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
-
- fifo_hdr->fifo_num = cpu_to_le32(fifo_num);
- fifo_hdr->available_bytes =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- RXF_RD_D_SPACE + offset));
- fifo_hdr->wr_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- RXF_RD_WR_PTR + offset));
- fifo_hdr->rd_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- RXF_RD_RD_PTR + offset));
- fifo_hdr->fence_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- RXF_RD_FENCE_PTR + offset));
- fifo_hdr->fence_mode =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- RXF_SET_FENCE_MODE + offset));
-
- /* Lock fence */
- iwl_trans_write_prph(mvm->trans, RXF_SET_FENCE_MODE + offset, 0x1);
- /* Set fence pointer to the same place like WR pointer */
- iwl_trans_write_prph(mvm->trans, RXF_LD_WR2FENCE + offset, 0x1);
- /* Set fence offset */
- iwl_trans_write_prph(mvm->trans,
- RXF_LD_FENCE_OFFSET_ADDR + offset, 0x0);
-
- /* Read FIFO */
- fifo_len /= sizeof(u32); /* Size in DWORDS */
- for (i = 0; i < fifo_len; i++)
- fifo_data[i] = iwl_trans_read_prph(mvm->trans,
- RXF_FIFO_RD_FENCE_INC +
- offset);
- *dump_data = iwl_fw_error_next_data(*dump_data);
-}
-
-static void iwl_mvm_dump_txf(struct iwl_mvm *mvm,
- struct iwl_fw_error_dump_data **dump_data,
- int size, u32 offset, int fifo_num)
-{
- struct iwl_fw_error_dump_fifo *fifo_hdr;
- u32 *fifo_data;
- u32 fifo_len;
- int i;
-
- fifo_hdr = (void *)(*dump_data)->data;
- fifo_data = (void *)fifo_hdr->data;
- fifo_len = size;
-
- /* No need to try to read the data if the length is 0 */
- if (fifo_len == 0)
- return;
-
- /* Add a TLV for the FIFO */
- (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF);
- (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
-
- fifo_hdr->fifo_num = cpu_to_le32(fifo_num);
- fifo_hdr->available_bytes =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_FIFO_ITEM_CNT + offset));
- fifo_hdr->wr_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_WR_PTR + offset));
- fifo_hdr->rd_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_RD_PTR + offset));
- fifo_hdr->fence_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_FENCE_PTR + offset));
- fifo_hdr->fence_mode =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_LOCK_FENCE + offset));
-
- /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */
- iwl_trans_write_prph(mvm->trans, TXF_READ_MODIFY_ADDR + offset,
- TXF_WR_PTR + offset);
-
- /* Dummy-read to advance the read pointer to the head */
- iwl_trans_read_prph(mvm->trans, TXF_READ_MODIFY_DATA + offset);
-
- /* Read FIFO */
- fifo_len /= sizeof(u32); /* Size in DWORDS */
- for (i = 0; i < fifo_len; i++)
- fifo_data[i] = iwl_trans_read_prph(mvm->trans,
- TXF_READ_MODIFY_DATA +
- offset);
- *dump_data = iwl_fw_error_next_data(*dump_data);
-}
-
-static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
- struct iwl_fw_error_dump_data **dump_data)
-{
- struct iwl_fw_error_dump_fifo *fifo_hdr;
- struct iwl_mvm_shared_mem_cfg *cfg = &mvm->smem_cfg;
- u32 *fifo_data;
- u32 fifo_len;
- unsigned long flags;
- int i, j;
-
- if (!iwl_trans_grab_nic_access(mvm->trans, &flags))
- return;
-
- /* Pull RXF1 */
- iwl_mvm_dump_rxf(mvm, dump_data, cfg->lmac[0].rxfifo1_size, 0, 0);
- /* Pull RXF2 */
- iwl_mvm_dump_rxf(mvm, dump_data, cfg->rxfifo2_size,
- RXF_DIFF_FROM_PREV, 1);
- /* Pull LMAC2 RXF1 */
- if (mvm->smem_cfg.num_lmacs > 1)
- iwl_mvm_dump_rxf(mvm, dump_data, cfg->lmac[1].rxfifo1_size,
- LMAC2_PRPH_OFFSET, 2);
-
- /* Pull TXF data from LMAC1 */
- for (i = 0; i < mvm->smem_cfg.num_txfifo_entries; i++) {
- /* Mark the number of TXF we're pulling now */
- iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i);
- iwl_mvm_dump_txf(mvm, dump_data, cfg->lmac[0].txfifo_size[i],
- 0, i);
- }
-
- /* Pull TXF data from LMAC2 */
- if (mvm->smem_cfg.num_lmacs > 1) {
- for (i = 0; i < mvm->smem_cfg.num_txfifo_entries; i++) {
- /* Mark the number of TXF we're pulling now */
- iwl_trans_write_prph(mvm->trans,
- TXF_LARC_NUM + LMAC2_PRPH_OFFSET,
- i);
- iwl_mvm_dump_txf(mvm, dump_data,
- cfg->lmac[1].txfifo_size[i],
- LMAC2_PRPH_OFFSET,
- i + cfg->num_txfifo_entries);
- }
- }
-
- if (fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
- /* Pull UMAC internal TXF data from all TXFs */
- for (i = 0;
- i < ARRAY_SIZE(mvm->smem_cfg.internal_txfifo_size);
- i++) {
- fifo_hdr = (void *)(*dump_data)->data;
- fifo_data = (void *)fifo_hdr->data;
- fifo_len = mvm->smem_cfg.internal_txfifo_size[i];
-
- /* No need to try to read the data if the length is 0 */
- if (fifo_len == 0)
- continue;
-
- /* Add a TLV for the internal FIFOs */
- (*dump_data)->type =
- cpu_to_le32(IWL_FW_ERROR_DUMP_INTERNAL_TXF);
- (*dump_data)->len =
- cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
-
- fifo_hdr->fifo_num = cpu_to_le32(i);
-
- /* Mark the number of TXF we're pulling now */
- iwl_trans_write_prph(mvm->trans, TXF_CPU2_NUM, i +
- mvm->smem_cfg.num_txfifo_entries);
-
- fifo_hdr->available_bytes =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_FIFO_ITEM_CNT));
- fifo_hdr->wr_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_WR_PTR));
- fifo_hdr->rd_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_RD_PTR));
- fifo_hdr->fence_ptr =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_FENCE_PTR));
- fifo_hdr->fence_mode =
- cpu_to_le32(iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_LOCK_FENCE));
-
- /* Set TXF_CPU2_READ_MODIFY_ADDR to TXF_CPU2_WR_PTR */
- iwl_trans_write_prph(mvm->trans,
- TXF_CPU2_READ_MODIFY_ADDR,
- TXF_CPU2_WR_PTR);
-
- /* Dummy-read to advance the read pointer to head */
- iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_READ_MODIFY_DATA);
-
- /* Read FIFO */
- fifo_len /= sizeof(u32); /* Size in DWORDS */
- for (j = 0; j < fifo_len; j++)
- fifo_data[j] =
- iwl_trans_read_prph(mvm->trans,
- TXF_CPU2_READ_MODIFY_DATA);
- *dump_data = iwl_fw_error_next_data(*dump_data);
- }
- }
-
- iwl_trans_release_nic_access(mvm->trans, &flags);
-}
-
-void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm)
-{
- if (mvm->fw_dump_desc != &iwl_mvm_dump_desc_assert)
- kfree(mvm->fw_dump_desc);
- mvm->fw_dump_desc = NULL;
-}
-
-#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;
-};
-
-static const struct iwl_prph_range iwl_prph_dump_addr_comm[] = {
- { .start = 0x00a00000, .end = 0x00a00000 },
- { .start = 0x00a0000c, .end = 0x00a00024 },
- { .start = 0x00a0002c, .end = 0x00a0003c },
- { .start = 0x00a00410, .end = 0x00a00418 },
- { .start = 0x00a00420, .end = 0x00a00420 },
- { .start = 0x00a00428, .end = 0x00a00428 },
- { .start = 0x00a00430, .end = 0x00a0043c },
- { .start = 0x00a00444, .end = 0x00a00444 },
- { .start = 0x00a004c0, .end = 0x00a004cc },
- { .start = 0x00a004d8, .end = 0x00a004d8 },
- { .start = 0x00a004e0, .end = 0x00a004f0 },
- { .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 = 0x00a01094 },
- { .start = 0x00a01c00, .end = 0x00a01c20 },
- { .start = 0x00a01c58, .end = 0x00a01c58 },
- { .start = 0x00a01c7c, .end = 0x00a01c7c },
- { .start = 0x00a01c28, .end = 0x00a01c54 },
- { .start = 0x00a01c5c, .end = 0x00a01c5c },
- { .start = 0x00a01c60, .end = 0x00a01cdc },
- { .start = 0x00a01ce0, .end = 0x00a01d0c },
- { .start = 0x00a01d18, .end = 0x00a01d20 },
- { .start = 0x00a01d2c, .end = 0x00a01d30 },
- { .start = 0x00a01d40, .end = 0x00a01d5c },
- { .start = 0x00a01d80, .end = 0x00a01d80 },
- { .start = 0x00a01d98, .end = 0x00a01d9c },
- { .start = 0x00a01da8, .end = 0x00a01da8 },
- { .start = 0x00a01db8, .end = 0x00a01df4 },
- { .start = 0x00a01dc0, .end = 0x00a01dfc },
- { .start = 0x00a01e00, .end = 0x00a01e2c },
- { .start = 0x00a01e40, .end = 0x00a01e60 },
- { .start = 0x00a01e68, .end = 0x00a01e6c },
- { .start = 0x00a01e74, .end = 0x00a01e74 },
- { .start = 0x00a01e84, .end = 0x00a01e90 },
- { .start = 0x00a01e9c, .end = 0x00a01ec4 },
- { .start = 0x00a01ed0, .end = 0x00a01ee0 },
- { .start = 0x00a01f00, .end = 0x00a01f1c },
- { .start = 0x00a01f44, .end = 0x00a01ffc },
- { .start = 0x00a02000, .end = 0x00a02048 },
- { .start = 0x00a02068, .end = 0x00a020f0 },
- { .start = 0x00a02100, .end = 0x00a02118 },
- { .start = 0x00a02140, .end = 0x00a0214c },
- { .start = 0x00a02168, .end = 0x00a0218c },
- { .start = 0x00a021c0, .end = 0x00a021c0 },
- { .start = 0x00a02400, .end = 0x00a02410 },
- { .start = 0x00a02418, .end = 0x00a02420 },
- { .start = 0x00a02428, .end = 0x00a0242c },
- { .start = 0x00a02434, .end = 0x00a02434 },
- { .start = 0x00a02440, .end = 0x00a02460 },
- { .start = 0x00a02468, .end = 0x00a024b0 },
- { .start = 0x00a024c8, .end = 0x00a024cc },
- { .start = 0x00a02500, .end = 0x00a02504 },
- { .start = 0x00a0250c, .end = 0x00a02510 },
- { .start = 0x00a02540, .end = 0x00a02554 },
- { .start = 0x00a02580, .end = 0x00a025f4 },
- { .start = 0x00a02600, .end = 0x00a0260c },
- { .start = 0x00a02648, .end = 0x00a02650 },
- { .start = 0x00a02680, .end = 0x00a02680 },
- { .start = 0x00a026c0, .end = 0x00a026d0 },
- { .start = 0x00a02700, .end = 0x00a0270c },
- { .start = 0x00a02804, .end = 0x00a02804 },
- { .start = 0x00a02818, .end = 0x00a0281c },
- { .start = 0x00a02c00, .end = 0x00a02db4 },
- { .start = 0x00a02df4, .end = 0x00a02fb0 },
- { .start = 0x00a03000, .end = 0x00a03014 },
- { .start = 0x00a0301c, .end = 0x00a0302c },
- { .start = 0x00a03034, .end = 0x00a03038 },
- { .start = 0x00a03040, .end = 0x00a03048 },
- { .start = 0x00a03060, .end = 0x00a03068 },
- { .start = 0x00a03070, .end = 0x00a03074 },
- { .start = 0x00a0307c, .end = 0x00a0307c },
- { .start = 0x00a03080, .end = 0x00a03084 },
- { .start = 0x00a0308c, .end = 0x00a03090 },
- { .start = 0x00a03098, .end = 0x00a03098 },
- { .start = 0x00a030a0, .end = 0x00a030a0 },
- { .start = 0x00a030a8, .end = 0x00a030b4 },
- { .start = 0x00a030bc, .end = 0x00a030bc },
- { .start = 0x00a030c0, .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 = 0x00a0457c },
- { .start = 0x00a04590, .end = 0x00a04598 },
- { .start = 0x00a045c0, .end = 0x00a045f4 },
-};
-
-static const struct iwl_prph_range iwl_prph_dump_addr_9000[] = {
- { .start = 0x00a05c00, .end = 0x00a05c18 },
- { .start = 0x00a05400, .end = 0x00a056e8 },
- { .start = 0x00a08000, .end = 0x00a098bc },
- { .start = 0x00a02400, .end = 0x00a02758 },
-};
-
-static void _iwl_read_prph_block(struct iwl_trans *trans, u32 start,
- u32 len_bytes, __le32 *data)
-{
- u32 i;
-
- for (i = 0; i < len_bytes; i += 4)
- *data++ = cpu_to_le32(iwl_read_prph_no_grab(trans, start + i));
-}
-
-static bool iwl_read_prph_block(struct iwl_trans *trans, u32 start,
- u32 len_bytes, __le32 *data)
-{
- unsigned long flags;
- bool success = false;
-
- if (iwl_trans_grab_nic_access(trans, &flags)) {
- success = true;
- _iwl_read_prph_block(trans, start, len_bytes, data);
- iwl_trans_release_nic_access(trans, &flags);
- }
-
- return success;
-}
-
-static void iwl_dump_prph(struct iwl_trans *trans,
- struct iwl_fw_error_dump_data **data,
- const struct iwl_prph_range *iwl_prph_dump_addr,
- u32 range_len)
-{
- struct iwl_fw_error_dump_prph *prph;
- unsigned long flags;
- u32 i;
-
- if (!iwl_trans_grab_nic_access(trans, &flags))
- return;
-
- for (i = 0; i < range_len; i++) {
- /* The range includes both boundaries */
- int num_bytes_in_chunk = iwl_prph_dump_addr[i].end -
- iwl_prph_dump_addr[i].start + 4;
-
- (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH);
- (*data)->len = cpu_to_le32(sizeof(*prph) +
- num_bytes_in_chunk);
- prph = (void *)(*data)->data;
- prph->prph_start = cpu_to_le32(iwl_prph_dump_addr[i].start);
-
- _iwl_read_prph_block(trans, iwl_prph_dump_addr[i].start,
- /* our range is inclusive, hence + 4 */
- iwl_prph_dump_addr[i].end -
- iwl_prph_dump_addr[i].start + 4,
- (void *)prph->data);
-
- *data = iwl_fw_error_next_data(*data);
- }
-
- iwl_trans_release_nic_access(trans, &flags);
-}
-
-/*
- * alloc_sgtable - allocates scallerlist table 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)
-{
- int alloc_size, nents, i;
- struct page *new_page;
- struct scatterlist *iter;
- struct scatterlist *table;
-
- 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);
- }
- return NULL;
- }
- alloc_size = min_t(int, size, PAGE_SIZE);
- size -= PAGE_SIZE;
- sg_set_page(iter, new_page, alloc_size, 0);
- }
- return table;
-}
-
-void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
-{
- struct iwl_fw_error_dump_file *dump_file;
- struct iwl_fw_error_dump_data *dump_data;
- struct iwl_fw_error_dump_info *dump_info;
- struct iwl_fw_error_dump_mem *dump_mem;
- struct iwl_fw_error_dump_trigger_desc *dump_trig;
- struct iwl_mvm_dump_ptrs *fw_error_dump;
- struct scatterlist *sg_dump_data;
- u32 sram_len, sram_ofs;
- const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = mvm->fw->dbg_mem_tlv;
- u32 file_len, fifo_data_len = 0, prph_len = 0, radio_len = 0;
- u32 smem_len = mvm->fw->n_dbg_mem_tlv ? 0 : mvm->cfg->smem_len;
- u32 sram2_len = mvm->fw->n_dbg_mem_tlv ? 0 : mvm->cfg->dccm2_len;
- bool monitor_dump_only = false;
- int i;
-
- if (!IWL_MVM_COLLECT_FW_ERR_DUMP &&
- !mvm->trans->dbg_dest_tlv)
- return;
-
- lockdep_assert_held(&mvm->mutex);
-
- /* there's no point in fw dump if the bus is dead */
- if (test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
- IWL_ERR(mvm, "Skip fw error dump since bus is dead\n");
- goto out;
- }
-
- if (mvm->fw_dump_trig &&
- mvm->fw_dump_trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY)
- monitor_dump_only = true;
-
- fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
- if (!fw_error_dump)
- goto out;
-
- /* SRAM - include stack CCM if driver knows the values for it */
- if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) {
- const struct fw_img *img;
-
- img = &mvm->fw->img[mvm->cur_ucode];
- sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
- sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
- } else {
- sram_ofs = mvm->cfg->dccm_offset;
- sram_len = mvm->cfg->dccm_len;
- }
-
- /* reading RXF/TXF sizes */
- if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
- struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->smem_cfg;
-
- fifo_data_len = 0;
-
- /* Count RXF2 size */
- if (mem_cfg->rxfifo2_size) {
- /* Add header info */
- fifo_data_len += mem_cfg->rxfifo2_size +
- sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_fifo);
- }
-
- /* Count RXF1 sizes */
- for (i = 0; i < mem_cfg->num_lmacs; i++) {
- if (!mem_cfg->lmac[i].rxfifo1_size)
- continue;
-
- /* Add header info */
- fifo_data_len += mem_cfg->lmac[i].rxfifo1_size +
- sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_fifo);
- }
-
- /* Count TXF sizes */
- for (i = 0; i < mem_cfg->num_lmacs; i++) {
- int j;
-
- for (j = 0; j < mem_cfg->num_txfifo_entries; j++) {
- if (!mem_cfg->lmac[i].txfifo_size[j])
- continue;
-
- /* Add header info */
- fifo_data_len +=
- mem_cfg->lmac[i].txfifo_size[j] +
- sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_fifo);
- }
- }
-
- if (fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
- for (i = 0;
- i < ARRAY_SIZE(mem_cfg->internal_txfifo_size);
- i++) {
- if (!mem_cfg->internal_txfifo_size[i])
- continue;
-
- /* Add header info */
- fifo_data_len +=
- mem_cfg->internal_txfifo_size[i] +
- sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_fifo);
- }
- }
-
- /* Make room for PRPH registers */
- if (!mvm->trans->cfg->gen2) {
- for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr_comm);
- 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;
-
- prph_len += sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_prph) +
- num_bytes_in_chunk;
- }
- }
-
- if (!mvm->trans->cfg->gen2 && mvm->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;
-
- prph_len += sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_prph) +
- num_bytes_in_chunk;
- }
- }
-
- if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000)
- radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ;
- }
-
- file_len = sizeof(*dump_file) +
- sizeof(*dump_data) * 2 +
- fifo_data_len +
- prph_len +
- radio_len +
- sizeof(*dump_info);
-
- /* Make room for the SMEM, if it exists */
- if (smem_len)
- file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len;
-
- /* Make room for the secondary SRAM, if it exists */
- if (sram2_len)
- file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
-
- /* Make room for MEM segments */
- for (i = 0; i < mvm->fw->n_dbg_mem_tlv; i++) {
- file_len += sizeof(*dump_data) + sizeof(*dump_mem) +
- le32_to_cpu(fw_dbg_mem[i].len);
- }
-
- /* Make room for fw's virtual image pages, if it exists */
- if (!mvm->trans->cfg->gen2 &&
- mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
- mvm->fw_paging_db[0].fw_paging_block)
- file_len += mvm->num_of_paging_blk *
- (sizeof(*dump_data) +
- sizeof(struct iwl_fw_error_dump_paging) +
- PAGING_BLOCK_SIZE);
-
- /* If we only want a monitor dump, reset the file length */
- if (monitor_dump_only) {
- file_len = sizeof(*dump_file) + sizeof(*dump_data) +
- sizeof(*dump_info);
- }
-
- if (mvm->fw_dump_desc)
- file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
- mvm->fw_dump_desc->len;
-
- if (!mvm->fw->n_dbg_mem_tlv)
- file_len += sram_len + sizeof(*dump_mem);
-
- dump_file = vzalloc(file_len);
- if (!dump_file) {
- kfree(fw_error_dump);
- goto out;
- }
-
- fw_error_dump->op_mode_ptr = dump_file;
-
- dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
- dump_data = (void *)dump_file->data;
-
- 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 =
- mvm->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_step = cpu_to_le32(CSR_HW_REV_STEP(mvm->trans->hw_rev));
- memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
- sizeof(dump_info->fw_human_readable));
- strncpy(dump_info->dev_human_readable, mvm->cfg->name,
- sizeof(dump_info->dev_human_readable));
- strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
- sizeof(dump_info->bus_human_readable));
-
- dump_data = iwl_fw_error_next_data(dump_data);
- /* We only dump the FIFOs if the FW is in error state */
- if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
- iwl_mvm_dump_fifos(mvm, &dump_data);
- if (radio_len)
- iwl_mvm_read_radio_reg(mvm, &dump_data);
- }
-
- if (mvm->fw_dump_desc) {
- dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
- dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
- mvm->fw_dump_desc->len);
- dump_trig = (void *)dump_data->data;
- memcpy(dump_trig, &mvm->fw_dump_desc->trig_desc,
- sizeof(*dump_trig) + mvm->fw_dump_desc->len);
-
- dump_data = iwl_fw_error_next_data(dump_data);
- }
-
- /* In case we only want monitor dump, skip to dump trasport data */
- if (monitor_dump_only)
- goto dump_trans_data;
-
- if (!mvm->fw->n_dbg_mem_tlv) {
- dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
- dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
- dump_mem = (void *)dump_data->data;
- dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
- dump_mem->offset = cpu_to_le32(sram_ofs);
- iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_mem->data,
- sram_len);
- dump_data = iwl_fw_error_next_data(dump_data);
- }
-
- for (i = 0; i < mvm->fw->n_dbg_mem_tlv; i++) {
- u32 len = le32_to_cpu(fw_dbg_mem[i].len);
- u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs);
- bool success;
-
- 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 = fw_dbg_mem[i].data_type;
- dump_mem->offset = cpu_to_le32(ofs);
-
- switch (dump_mem->type & cpu_to_le32(FW_DBG_MEM_TYPE_MASK)) {
- case cpu_to_le32(FW_DBG_MEM_TYPE_REGULAR):
- iwl_trans_read_mem_bytes(mvm->trans, ofs,
- dump_mem->data,
- len);
- success = true;
- break;
- case cpu_to_le32(FW_DBG_MEM_TYPE_PRPH):
- success = iwl_read_prph_block(mvm->trans, ofs, len,
- (void *)dump_mem->data);
- break;
- default:
- /*
- * shouldn't get here, we ignored this kind
- * of TLV earlier during the TLV parsing?!
- */
- WARN_ON(1);
- success = false;
- }
-
- if (success)
- dump_data = iwl_fw_error_next_data(dump_data);
- }
-
- if (smem_len) {
- dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
- dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
- dump_mem = (void *)dump_data->data;
- dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM);
- dump_mem->offset = cpu_to_le32(mvm->cfg->smem_offset);
- iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset,
- dump_mem->data, smem_len);
- dump_data = iwl_fw_error_next_data(dump_data);
- }
-
- if (sram2_len) {
- dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
- dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
- dump_mem = (void *)dump_data->data;
- dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
- dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset);
- iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset,
- dump_mem->data, sram2_len);
- dump_data = iwl_fw_error_next_data(dump_data);
- }
-
- /* Dump fw's virtual image */
- if (!mvm->trans->cfg->gen2 &&
- mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
- mvm->fw_paging_db[0].fw_paging_block) {
- for (i = 1; i < mvm->num_of_paging_blk + 1; i++) {
- struct iwl_fw_error_dump_paging *paging;
- struct page *pages =
- mvm->fw_paging_db[i].fw_paging_block;
- dma_addr_t addr = mvm->fw_paging_db[i].fw_paging_phys;
-
- dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING);
- dump_data->len = cpu_to_le32(sizeof(*paging) +
- PAGING_BLOCK_SIZE);
- paging = (void *)dump_data->data;
- paging->index = cpu_to_le32(i);
- dma_sync_single_for_cpu(mvm->trans->dev, addr,
- PAGING_BLOCK_SIZE,
- DMA_BIDIRECTIONAL);
- memcpy(paging->data, page_address(pages),
- PAGING_BLOCK_SIZE);
- dump_data = iwl_fw_error_next_data(dump_data);
- }
- }
-
- if (prph_len) {
- iwl_dump_prph(mvm->trans, &dump_data,
- iwl_prph_dump_addr_comm,
- ARRAY_SIZE(iwl_prph_dump_addr_comm));
-
- if (mvm->cfg->mq_rx_supported)
- iwl_dump_prph(mvm->trans, &dump_data,
- iwl_prph_dump_addr_9000,
- ARRAY_SIZE(iwl_prph_dump_addr_9000));
- }
-
-dump_trans_data:
- fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans,
- mvm->fw_dump_trig);
- fw_error_dump->op_mode_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);
-
- sg_dump_data = alloc_sgtable(file_len);
- if (sg_dump_data) {
- sg_pcopy_from_buffer(sg_dump_data,
- sg_nents(sg_dump_data),
- fw_error_dump->op_mode_ptr,
- fw_error_dump->op_mode_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->op_mode_len);
- dev_coredumpsg(mvm->trans->dev, sg_dump_data, file_len,
- GFP_KERNEL);
- }
- vfree(fw_error_dump->op_mode_ptr);
- vfree(fw_error_dump->trans_ptr);
- kfree(fw_error_dump);
-
-out:
- iwl_mvm_free_fw_dump_desc(mvm);
- mvm->fw_dump_trig = NULL;
- clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status);
-}
-
-const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert = {
- .trig_desc = {
- .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT),
- },
-};
-
-int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
- const struct iwl_mvm_dump_desc *desc,
- const struct iwl_fw_dbg_trigger_tlv *trigger)
-{
- unsigned int delay = 0;
-
- if (trigger)
- delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay));
-
- if (WARN(mvm->trans->state == IWL_TRANS_NO_FW,
- "Can't collect dbg data when FW isn't alive\n"))
- return -EIO;
-
- if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status))
- return -EBUSY;
-
- if (WARN_ON(mvm->fw_dump_desc))
- iwl_mvm_free_fw_dump_desc(mvm);
-
- IWL_WARN(mvm, "Collecting data: trigger %d fired.\n",
- le32_to_cpu(desc->trig_desc.type));
-
- mvm->fw_dump_desc = desc;
- mvm->fw_dump_trig = trigger;
-
- schedule_delayed_work(&mvm->fw_dump_wk, delay);
-
- return 0;
-}
-
-int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
- const char *str, size_t len,
- const struct iwl_fw_dbg_trigger_tlv *trigger)
-{
- struct iwl_mvm_dump_desc *desc;
-
- desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC);
- if (!desc)
- return -ENOMEM;
-
- desc->len = len;
- desc->trig_desc.type = cpu_to_le32(trig);
- memcpy(desc->trig_desc.data, str, len);
-
- return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger);
-}
-
-int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
- struct iwl_fw_dbg_trigger_tlv *trigger,
- const char *fmt, ...)
-{
- u16 occurrences = le16_to_cpu(trigger->occurrences);
- int ret, len = 0;
- char buf[64];
-
- if (!occurrences)
- return 0;
-
- if (fmt) {
- va_list ap;
-
- buf[sizeof(buf) - 1] = '\0';
-
- va_start(ap, fmt);
- vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
-
- /* check for truncation */
- if (WARN_ON_ONCE(buf[sizeof(buf) - 1]))
- buf[sizeof(buf) - 1] = '\0';
-
- len = strlen(buf) + 1;
- }
-
- ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len,
- trigger);
-
- if (ret)
- return ret;
-
- trigger->occurrences = cpu_to_le16(occurrences - 1);
- return 0;
-}
-
-int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id)
-{
- u8 *ptr;
- int ret;
- int i;
-
- if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv),
- "Invalid configuration %d\n", conf_id))
- return -EINVAL;
-
- /* EARLY START - firmware's configuration is hard coded */
- if ((!mvm->fw->dbg_conf_tlv[conf_id] ||
- !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) &&
- conf_id == FW_DBG_START_FROM_ALIVE)
- return 0;
-
- if (!mvm->fw->dbg_conf_tlv[conf_id])
- return -EINVAL;
-
- if (mvm->fw_dbg_conf != FW_DBG_INVALID)
- IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n",
- mvm->fw_dbg_conf);
-
- /* Send all HCMDs for configuring the FW debug */
- ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd;
- for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) {
- struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr;
-
- ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0,
- le16_to_cpu(cmd->len), cmd->data);
- if (ret)
- return ret;
-
- ptr += sizeof(*cmd);
- ptr += le16_to_cpu(cmd->len);
- }
-
- mvm->fw_dbg_conf = conf_id;
-
- return 0;
-}
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