From patchwork Mon Mar 21 16:45:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Previn X-Patchwork-Id: 12787558 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B031C433EF for ; Mon, 21 Mar 2022 16:43:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E49E10E4AB; Mon, 21 Mar 2022 16:43:01 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 66A3810E417; Mon, 21 Mar 2022 16:42:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647880976; x=1679416976; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xtGsIP2AVkeVC+UFlSeblIBntNN/RkvdMvgrW9vtVKw=; b=QqUY0aigiZd1FnQnkFisPveeymZGX2G/2IfR7s2I4hFn7gliel7gDVg7 2T8/hlVDhyhsDSFj/AgbDKPN5nSUqfTjo/IObrsKbzW27k+o88RDeZGFU iadw+LpUATD+esIhG+BXx7NLCypoV8wvsPiOIN5d4OEASC8979rO5+an5 lSIBswocCGKFe9CtmoTpZrz9IBJieWhf5xjBqIFElGBCd6i10llkhXG8S wozVn+RDCSrki3tsE0NsS3+nq6Vzg9hlTt9ITw9K4y5Mjm1XrEEs6Lcog 4u0+jxT99LgzvgnPq6tytGHyHKdDr/61GCcDoH6oS7S30eyxKCbxj32Sq g==; X-IronPort-AV: E=McAfee;i="6200,9189,10293"; a="239752675" X-IronPort-AV: E=Sophos;i="5.90,199,1643702400"; d="scan'208";a="239752675" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Mar 2022 09:42:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,199,1643702400"; d="scan'208";a="716563771" Received: from aalteres-desk.fm.intel.com ([10.80.57.53]) by orsmga005.jf.intel.com with ESMTP; 21 Mar 2022 09:42:55 -0700 From: Alan Previn To: intel-gfx@lists.freedesktop.org Subject: [PATCH v13 06/13] drm/i915/guc: Add GuC's error state capture output structures. Date: Mon, 21 Mar 2022 09:45:20 -0700 Message-Id: <20220321164527.2500062-7-alan.previn.teres.alexis@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220321164527.2500062-1-alan.previn.teres.alexis@intel.com> References: <20220321164527.2500062-1-alan.previn.teres.alexis@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Matthew Brost , Tvrtko Ursulin , Alan Previn , Jani Nikula , Lucas De Marchi , dri-devel@lists.freedesktop.org, Umesh Nerlige Ramappa , John Harrison Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add GuC's error capture output structures and definitions as how they would appear in GuC log buffer's error capture subregion after an error state capture G2H event notification. Signed-off-by: Alan Previn Reviewed-by: Matthew Brost --- drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h b/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h index 6c199433945d..8824c5eba355 100644 --- a/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h @@ -55,6 +55,53 @@ struct __guc_mmio_reg_descr_group { struct __guc_mmio_reg_descr *extlist; /* only used for steered registers */ }; +/** + * struct guc_state_capture_header_t / struct guc_state_capture_t / + * guc_state_capture_group_header_t / guc_state_capture_group_t + * + * Prior to resetting engines that have hung or faulted, GuC microkernel + * reports the engine error-state (register values that was read) by + * logging them into the shared GuC log buffer using these hierarchy + * of structures. + */ +struct guc_state_capture_header_t { + u32 owner; +#define CAP_HDR_CAPTURE_VFID GENMASK(7, 0) + u32 info; +#define CAP_HDR_CAPTURE_TYPE GENMASK(3, 0) /* see enum guc_capture_type */ +#define CAP_HDR_ENGINE_CLASS GENMASK(7, 4) /* see GUC_MAX_ENGINE_CLASSES */ +#define CAP_HDR_ENGINE_INSTANCE GENMASK(11, 8) + u32 lrca; /* if type-instance, LRCA (address) that hung, else set to ~0 */ + u32 guc_id; /* if type-instance, context index of hung context, else set to ~0 */ + u32 num_mmios; +#define CAP_HDR_NUM_MMIOS GENMASK(9, 0) +} __packed; + +struct guc_state_capture_t { + struct guc_state_capture_header_t header; + struct guc_mmio_reg mmio_entries[0]; +} __packed; + +enum guc_capture_group_types { + GUC_STATE_CAPTURE_GROUP_TYPE_FULL, + GUC_STATE_CAPTURE_GROUP_TYPE_PARTIAL, + GUC_STATE_CAPTURE_GROUP_TYPE_MAX, +}; + +struct guc_state_capture_group_header_t { + u32 owner; +#define CAP_GRP_HDR_CAPTURE_VFID GENMASK(7, 0) + u32 info; +#define CAP_GRP_HDR_NUM_CAPTURES GENMASK(7, 0) +#define CAP_GRP_HDR_CAPTURE_TYPE GENMASK(15, 8) /* guc_capture_group_types */ +} __packed; + +/* this is the top level structure where an error-capture dump starts */ +struct guc_state_capture_group_t { + struct guc_state_capture_group_header_t grp_header; + struct guc_state_capture_t capture_entries[0]; +} __packed; + /** * struct __guc_capture_ads_cache *