From patchwork Tue Dec 30 14:18:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emmanuel Grumbach X-Patchwork-Id: 5552631 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 13AF69F1BF for ; Tue, 30 Dec 2014 14:21:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3BD0720160 for ; Tue, 30 Dec 2014 14:20:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 492712012E for ; Tue, 30 Dec 2014 14:20:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752110AbaL3OU4 (ORCPT ); Tue, 30 Dec 2014 09:20:56 -0500 Received: from mga11.intel.com ([192.55.52.93]:24108 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751830AbaL3OTw (ORCPT ); Tue, 30 Dec 2014 09:19:52 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 30 Dec 2014 06:19:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,666,1413270000"; d="scan'208";a="644558701" Received: from egrumbacbox.jer.intel.com ([10.12.126.105]) by fmsmga001.fm.intel.com with ESMTP; 30 Dec 2014 06:19:44 -0800 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Emmanuel Grumbach Subject: [PATCH 13/33] iwlwifi: mvm: change SMEM dump to general purpose memory dump Date: Tue, 30 Dec 2014 16:18:48 +0200 Message-Id: <1419949148-24046-13-git-send-email-emmanuel.grumbach@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1419948357.21410.4.camel@egrumbacBox> References: <1419948357.21410.4.camel@egrumbacBox> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of adding a dump type for each type of memory, change the SMEM type to be a general purpose memory dump. Add the type of the memory and its offset in the device in the dump itself. This will allow an external parser to know where this memory came from. Note that since this type isn't really in use yet, this is not a real problem. Reviewed-by: Liad Kaufman Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h | 21 +++++++++++++++++++-- drivers/net/wireless/iwlwifi/mvm/mac80211.c | 14 ++++++++++---- 2 files changed, 29 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h index c6a81a7..c0fe82c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h @@ -82,7 +82,7 @@ * @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several * sections like this in a single file. * @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers - * @IWL_FW_ERROR_DUMP_SMEM: + * @IWL_FW_ERROR_DUMP_MEM: chunk of memory */ enum iwl_fw_error_dump_type { IWL_FW_ERROR_DUMP_SRAM = 0, @@ -94,7 +94,7 @@ enum iwl_fw_error_dump_type { IWL_FW_ERROR_DUMP_PRPH = 6, IWL_FW_ERROR_DUMP_TXF = 7, IWL_FW_ERROR_DUMP_FH_REGS = 8, - IWL_FW_ERROR_DUMP_SMEM = 9, + IWL_FW_ERROR_DUMP_MEM = 9, IWL_FW_ERROR_DUMP_MAX, }; @@ -182,6 +182,23 @@ struct iwl_fw_error_dump_prph { __le32 data[]; }; +enum iwl_fw_error_dump_mem_type { + IWL_FW_ERROR_DUMP_MEM_SRAM, + IWL_FW_ERROR_DUMP_MEM_SMEM, +}; + +/** + * struct iwl_fw_error_dump_mem - chunk of memory + * @type: %enum iwl_fw_error_dump_mem_type + * @offset: the offset from which the memory was read + * @data: the content of the memory + */ +struct iwl_fw_error_dump_mem { + __le32 type; + __le32 offset; + u8 data[]; +}; + /** * iwl_fw_error_next_data - advance fw error dump data pointer * @data: previous data block diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index d5d1cda..e24de97 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -815,7 +815,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) /* Make room for the SMEM, if it exists */ if (smem_len) - file_len += sizeof(*dump_data) + smem_len; + file_len += sizeof(*dump_data) + + sizeof(struct iwl_fw_error_dump_mem) + smem_len; dump_file = vzalloc(file_len); if (!dump_file) { @@ -868,11 +869,16 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) sram_len); if (smem_len) { + struct iwl_fw_error_dump_mem *dump_mem; + dump_data = iwl_fw_error_next_data(dump_data); - dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SMEM); - dump_data->len = cpu_to_le32(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_data->data, smem_len); + dump_mem->data, smem_len); } fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);