From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7556AC7618D for ; Wed, 15 Mar 2023 19:36:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232760AbjCOTgJ (ORCPT ); Wed, 15 Mar 2023 15:36:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230473AbjCOTgH (ORCPT ); Wed, 15 Mar 2023 15:36:07 -0400 Received: from mail-qt1-x833.google.com (mail-qt1-x833.google.com [IPv6:2607:f8b0:4864:20::833]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5341C943A7 for ; Wed, 15 Mar 2023 12:36:04 -0700 (PDT) Received: by mail-qt1-x833.google.com with SMTP id c18so17481610qte.5 for ; Wed, 15 Mar 2023 12:36:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678908963; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wQ1M5e4o784Td5MHB1XQg1XvARHHy1gJJ+s85YY31LE=; b=LRZIr8EOtR7vPhVL/8fZKri2FBwpq1DATSDu8qdhg7H/qEa1Bse+g8fzymLPe1dAnr +gBIKvIPJoi+Gw3g+bCKvLblHkKjmk7bSNzAb4bQDfxMWdbCPpU6u1sMvS16YSEuGIFz FxuffdYg3eNixFWTRdHufKYQgJoBFCStkK85hPp3CzmmnL2ka+uM1gOEaIfKtv0UtdxM w3DB4gxpBpfKa8vc4EbYfGjqDTy0qqZE0H4v2gnT9hewy3ABMfhwhuujXvd3/gEgdL/l g/OJcSILdNoKIROyMdDP9MlAbt+y2AeaU0Q0DhwHYXMKEcO659B8UJOB7QdlTYKc9r2j 6kIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678908963; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wQ1M5e4o784Td5MHB1XQg1XvARHHy1gJJ+s85YY31LE=; b=27SvZJVsNYqxS8SVGIYb9Qo89k1Pxr3r8mroe0f8bZAPY0QBWZuGTD1Fnnfetb1+5C 5SI85upKD/nLL33vfqo3yHU87+3nbe1Z3X3pnOjpcL/t3C4ZgEPifml5gDzVRdUAytYF ckoNJLC4JNnBpILGLdv7CxzZ/6pZHSL+rWiOrLi2Zoi6ZKD+GGxgxT+3Vwu6x8dlq04K w4cTxYD2f976flOOHOi5yufbxI1YQEtO5XSJdX9TbhoD45T0n5tr561rR3NH18zeFeF+ Ef4/wMSh1mWcknN783uEpHEXR4kZCFdlkJy4VVWFoAwdpvXsgKo7j2pcN0wwiBD9I3VE LMzg== X-Gm-Message-State: AO0yUKWWfLzuJnTum0q6cwiBg5EH1//cFW0WbTAWjFB9Rn8TfalCQt8K 5Lpmsik460xalBwZWzb5sFGQrw== X-Google-Smtp-Source: AK7set9ep/xUaQg/f9zebgMn0sDUL+eL1TXqjZ3dZ2PbHiaRnTBe1OhUZO+U+feqfGcb7KCyJ3v/9g== X-Received: by 2002:ac8:7f4e:0:b0:3bf:d149:8966 with SMTP id g14-20020ac87f4e000000b003bfd1498966mr1796958qtk.62.1678908963393; Wed, 15 Mar 2023 12:36:03 -0700 (PDT) Received: from localhost.localdomain ([98.61.227.136]) by smtp.gmail.com with ESMTPSA id q9-20020a05620a024900b0071eddd3bebbsm4369462qkn.81.2023.03.15.12.36.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Mar 2023 12:36:02 -0700 (PDT) From: Alex Elder To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: caleb.connolly@linaro.org, mka@chromium.org, evgreen@chromium.org, andersson@kernel.org, quic_cpratapa@quicinc.com, quic_avuyyuru@quicinc.com, quic_jponduru@quicinc.com, quic_subashab@quicinc.com, elder@kernel.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net v2 4/4] net: ipa: fix some register validity checks Date: Wed, 15 Mar 2023 14:35:52 -0500 Message-Id: <20230315193552.1646892-5-elder@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230315193552.1646892-1-elder@linaro.org> References: <20230315193552.1646892-1-elder@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org A recent commit defined HW_PARAM_4 as a GSI register ID but did not add it to gsi_reg_id_valid() to indicate it's valid (for IPA v5.0+). Add version checks for the HW_PARAM_2 and INTER_EE IRQ GSI registers there as well. IPA v5.0 supports up to 8 source and destination resource groups. Update the validity check (and the comments where the register IDs are defined) to reflect that. Similarly update comments and validity checks for the hash/cache-related registers. Note that this patch fixes an omission and constrains things further, but these don't technically represent bugs. Fixes: f651334e1ef5 ("net: ipa: add HW_PARAM_4 GSI register") Signed-off-by: Alex Elder --- drivers/net/ipa/gsi_reg.c | 9 ++++++++- drivers/net/ipa/ipa_reg.c | 24 ++++++++++++++++-------- drivers/net/ipa/ipa_reg.h | 12 ++++++------ 3 files changed, 30 insertions(+), 15 deletions(-) diff --git a/drivers/net/ipa/gsi_reg.c b/drivers/net/ipa/gsi_reg.c index 1412b67304c8e..1651fbad4bd54 100644 --- a/drivers/net/ipa/gsi_reg.c +++ b/drivers/net/ipa/gsi_reg.c @@ -15,6 +15,14 @@ static bool gsi_reg_id_valid(struct gsi *gsi, enum gsi_reg_id reg_id) switch (reg_id) { case INTER_EE_SRC_CH_IRQ_MSK: case INTER_EE_SRC_EV_CH_IRQ_MSK: + return gsi->version >= IPA_VERSION_3_5; + + case HW_PARAM_2: + return gsi->version >= IPA_VERSION_3_5_1; + + case HW_PARAM_4: + return gsi->version >= IPA_VERSION_5_0; + case CH_C_CNTXT_0: case CH_C_CNTXT_1: case CH_C_CNTXT_2: @@ -43,7 +51,6 @@ static bool gsi_reg_id_valid(struct gsi *gsi, enum gsi_reg_id reg_id) case CH_CMD: case EV_CH_CMD: case GENERIC_CMD: - case HW_PARAM_2: case CNTXT_TYPE_IRQ: case CNTXT_TYPE_IRQ_MSK: case CNTXT_SRC_CH_IRQ: diff --git a/drivers/net/ipa/ipa_reg.c b/drivers/net/ipa/ipa_reg.c index 463a31dfa9f47..3f475428ddddb 100644 --- a/drivers/net/ipa/ipa_reg.c +++ b/drivers/net/ipa/ipa_reg.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2022 Linaro Ltd. + * Copyright (C) 2019-2023 Linaro Ltd. */ #include @@ -15,6 +15,17 @@ static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id) enum ipa_version version = ipa->version; switch (reg_id) { + case FILT_ROUT_HASH_EN: + return version == IPA_VERSION_4_2; + + case FILT_ROUT_HASH_FLUSH: + return version < IPA_VERSION_5_0 && version != IPA_VERSION_4_2; + + case FILT_ROUT_CACHE_FLUSH: + case ENDP_FILTER_CACHE_CFG: + case ENDP_ROUTER_CACHE_CFG: + return version >= IPA_VERSION_5_0; + case IPA_BCR: case COUNTER_CFG: return version < IPA_VERSION_4_5; @@ -32,11 +43,13 @@ static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id) case SRC_RSRC_GRP_45_RSRC_TYPE: case DST_RSRC_GRP_45_RSRC_TYPE: return version <= IPA_VERSION_3_1 || - version == IPA_VERSION_4_5; + version == IPA_VERSION_4_5 || + version == IPA_VERSION_5_0; case SRC_RSRC_GRP_67_RSRC_TYPE: case DST_RSRC_GRP_67_RSRC_TYPE: - return version <= IPA_VERSION_3_1; + return version <= IPA_VERSION_3_1 || + version == IPA_VERSION_5_0; case ENDP_FILTER_ROUTER_HSH_CFG: return version < IPA_VERSION_5_0 && @@ -52,9 +65,6 @@ static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id) case SHARED_MEM_SIZE: case QSB_MAX_WRITES: case QSB_MAX_READS: - case FILT_ROUT_HASH_EN: - case FILT_ROUT_HASH_FLUSH: - case FILT_ROUT_CACHE_FLUSH: case STATE_AGGR_ACTIVE: case LOCAL_PKT_PROC_CNTXT: case AGGR_FORCE_CLOSE: @@ -76,8 +86,6 @@ static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id) case ENDP_INIT_RSRC_GRP: case ENDP_INIT_SEQ: case ENDP_STATUS: - case ENDP_FILTER_CACHE_CFG: - case ENDP_ROUTER_CACHE_CFG: case IPA_IRQ_STTS: case IPA_IRQ_EN: case IPA_IRQ_CLR: diff --git a/drivers/net/ipa/ipa_reg.h b/drivers/net/ipa/ipa_reg.h index ff2be8be0f683..7dd65d39333dd 100644 --- a/drivers/net/ipa/ipa_reg.h +++ b/drivers/net/ipa/ipa_reg.h @@ -60,8 +60,8 @@ enum ipa_reg_id { SHARED_MEM_SIZE, QSB_MAX_WRITES, QSB_MAX_READS, - FILT_ROUT_HASH_EN, /* Not IPA v5.0+ */ - FILT_ROUT_HASH_FLUSH, /* Not IPA v5.0+ */ + FILT_ROUT_HASH_EN, /* IPA v4.2 */ + FILT_ROUT_HASH_FLUSH, /* Not IPA v4.2 nor IPA v5.0+ */ FILT_ROUT_CACHE_FLUSH, /* IPA v5.0+ */ STATE_AGGR_ACTIVE, IPA_BCR, /* Not IPA v4.5+ */ @@ -76,12 +76,12 @@ enum ipa_reg_id { TIMERS_PULSE_GRAN_CFG, /* IPA v4.5+ */ SRC_RSRC_GRP_01_RSRC_TYPE, SRC_RSRC_GRP_23_RSRC_TYPE, - SRC_RSRC_GRP_45_RSRC_TYPE, /* Not IPA v3.5+, IPA v4.5 */ - SRC_RSRC_GRP_67_RSRC_TYPE, /* Not IPA v3.5+ */ + SRC_RSRC_GRP_45_RSRC_TYPE, /* Not IPA v3.5+; IPA v4.5, IPA v5.0 */ + SRC_RSRC_GRP_67_RSRC_TYPE, /* Not IPA v3.5+; IPA v5.0 */ DST_RSRC_GRP_01_RSRC_TYPE, DST_RSRC_GRP_23_RSRC_TYPE, - DST_RSRC_GRP_45_RSRC_TYPE, /* Not IPA v3.5+, IPA v4.5 */ - DST_RSRC_GRP_67_RSRC_TYPE, /* Not IPA v3.5+ */ + DST_RSRC_GRP_45_RSRC_TYPE, /* Not IPA v3.5+; IPA v4.5, IPA v5.0 */ + DST_RSRC_GRP_67_RSRC_TYPE, /* Not IPA v3.5+; IPA v5.0 */ ENDP_INIT_CTRL, /* Not IPA v4.2+ for TX, not IPA v4.0+ for RX */ ENDP_INIT_CFG, ENDP_INIT_NAT, /* TX only */ -- 2.34.1