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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BAF60C48BDF for ; Tue, 15 Jun 2021 23:55:23 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7FD57610CA for ; Tue, 15 Jun 2021 23:55:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FD57610CA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 28F986E1F4; Tue, 15 Jun 2021 23:55:18 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 00D0B892C8; Tue, 15 Jun 2021 23:55:12 +0000 (UTC) IronPort-SDR: 73p8CFWg2U1VQ8AbjMyOgrHbwZsAbGGrw6SJ3HwL9Wy6vV+PeJ8THj8OS52BZTRaQedzzLap5P QD+BtOzOX7zA== X-IronPort-AV: E=McAfee;i="6200,9189,10016"; a="267236622" X-IronPort-AV: E=Sophos;i="5.83,276,1616482800"; d="scan'208";a="267236622" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 16:55:11 -0700 IronPort-SDR: G6a40fLV/AlfpkKALp109Hip8KeH38xW8muQNY90a/SxVrAIc8/SHlyJ93Uq0bQHlfmtZcOC/q AtxN6C7hbu0Q== X-IronPort-AV: E=Sophos;i="5.83,276,1616482800"; d="scan'208";a="452138639" Received: from dhiatt-server.jf.intel.com ([10.54.81.3]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 16:55:11 -0700 From: Matthew Brost To: , Date: Tue, 15 Jun 2021 17:13:00 -0700 Message-Id: <20210616001302.84233-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210616001302.84233-1-matthew.brost@intel.com> References: <20210616001302.84233-1-matthew.brost@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/3] drm/i915/guc: Introduce unified HXG messages X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CAC5C48BE8 for ; Tue, 15 Jun 2021 23:55:21 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 21F516023C for ; Tue, 15 Jun 2021 23:55:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21F516023C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9294789ECB; Tue, 15 Jun 2021 23:55:16 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 00D0B892C8; Tue, 15 Jun 2021 23:55:12 +0000 (UTC) IronPort-SDR: 73p8CFWg2U1VQ8AbjMyOgrHbwZsAbGGrw6SJ3HwL9Wy6vV+PeJ8THj8OS52BZTRaQedzzLap5P QD+BtOzOX7zA== X-IronPort-AV: E=McAfee;i="6200,9189,10016"; a="267236622" X-IronPort-AV: E=Sophos;i="5.83,276,1616482800"; d="scan'208";a="267236622" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 16:55:11 -0700 IronPort-SDR: G6a40fLV/AlfpkKALp109Hip8KeH38xW8muQNY90a/SxVrAIc8/SHlyJ93Uq0bQHlfmtZcOC/q AtxN6C7hbu0Q== X-IronPort-AV: E=Sophos;i="5.83,276,1616482800"; d="scan'208";a="452138639" Received: from dhiatt-server.jf.intel.com ([10.54.81.3]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 16:55:11 -0700 From: Matthew Brost To: , Subject: [PATCH 1/3] drm/i915/guc: Introduce unified HXG messages Date: Tue, 15 Jun 2021 17:13:00 -0700 Message-Id: <20210616001302.84233-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210616001302.84233-1-matthew.brost@intel.com> References: <20210616001302.84233-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: daniele.ceraolospurio@intel.com, john.c.harrison@intel.com, Michal.Wajdeczko@intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Michal Wajdeczko New GuC firmware will unify format of MMIO and CTB H2G messages. Introduce their definitions now to allow gradual transition of our code to match new changes. Signed-off-by: Matthew Brost Signed-off-by: Michal Wajdeczko Cc: Michał Winiarski Reviewed-by: Daniele Ceraolo Spurio --- .../gpu/drm/i915/gt/uc/abi/guc_messages_abi.h | 213 ++++++++++++++++++ 1 file changed, 213 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_messages_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_messages_abi.h index 775e21f3058c..29ac823acd4c 100644 --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_messages_abi.h +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_messages_abi.h @@ -6,6 +6,219 @@ #ifndef _ABI_GUC_MESSAGES_ABI_H #define _ABI_GUC_MESSAGES_ABI_H +/** + * DOC: HXG Message + * + * All messages exchanged with GuC are defined using 32 bit dwords. + * First dword is treated as a message header. Remaining dwords are optional. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | | | | + * | 0 | 31 | **ORIGIN** - originator of the message | + * | | | - _`GUC_HXG_ORIGIN_HOST` = 0 | + * | | | - _`GUC_HXG_ORIGIN_GUC` = 1 | + * | | | | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | **TYPE** - message type | + * | | | - _`GUC_HXG_TYPE_REQUEST` = 0 | + * | | | - _`GUC_HXG_TYPE_EVENT` = 1 | + * | | | - _`GUC_HXG_TYPE_NO_RESPONSE_BUSY` = 3 | + * | | | - _`GUC_HXG_TYPE_NO_RESPONSE_RETRY` = 5 | + * | | | - _`GUC_HXG_TYPE_RESPONSE_FAILURE` = 6 | + * | | | - _`GUC_HXG_TYPE_RESPONSE_SUCCESS` = 7 | + * | +-------+--------------------------------------------------------------+ + * | | 27:0 | **AUX** - auxiliary data (depends on TYPE) | + * +---+-------+--------------------------------------------------------------+ + * | 1 | 31:0 | | + * +---+-------+ | + * |...| | **PAYLOAD** - optional payload (depends on TYPE) | + * +---+-------+ | + * | n | 31:0 | | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_MSG_MIN_LEN 1u +#define GUC_HXG_MSG_0_ORIGIN (0x1 << 31) +#define GUC_HXG_ORIGIN_HOST 0u +#define GUC_HXG_ORIGIN_GUC 1u +#define GUC_HXG_MSG_0_TYPE (0x7 << 28) +#define GUC_HXG_TYPE_REQUEST 0u +#define GUC_HXG_TYPE_EVENT 1u +#define GUC_HXG_TYPE_NO_RESPONSE_BUSY 3u +#define GUC_HXG_TYPE_NO_RESPONSE_RETRY 5u +#define GUC_HXG_TYPE_RESPONSE_FAILURE 6u +#define GUC_HXG_TYPE_RESPONSE_SUCCESS 7u +#define GUC_HXG_MSG_0_AUX (0xfffffff << 0) +#define GUC_HXG_MSG_n_PAYLOAD (0xffffffff << 0) + +/** + * DOC: HXG Request + * + * The `HXG Request`_ message should be used to initiate synchronous activity + * for which confirmation or return data is expected. + * + * The recipient of this message shall use `HXG Response`_, `HXG Failure`_ + * or `HXG Retry`_ message as a definite reply, and may use `HXG Busy`_ + * message as a intermediate reply. + * + * Format of @DATA0 and all @DATAn fields depends on the @ACTION code. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_REQUEST_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:16 | **DATA0** - request data (depends on ACTION) | + * | +-------+--------------------------------------------------------------+ + * | | 15:0 | **ACTION** - requested action code | + * +---+-------+--------------------------------------------------------------+ + * | 1 | 31:0 | | + * +---+-------+ | + * |...| | **DATAn** - optional data (depends on ACTION) | + * +---+-------+ | + * | n | 31:0 | | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_REQUEST_MSG_MIN_LEN GUC_HXG_MSG_MIN_LEN +#define GUC_HXG_REQUEST_MSG_0_DATA0 (0xfff << 16) +#define GUC_HXG_REQUEST_MSG_0_ACTION (0xffff << 0) +#define GUC_HXG_REQUEST_MSG_n_DATAn GUC_HXG_MSG_n_PAYLOAD + +/** + * DOC: HXG Event + * + * The `HXG Event`_ message should be used to initiate asynchronous activity + * that does not involves immediate confirmation nor data. + * + * Format of @DATA0 and all @DATAn fields depends on the @ACTION code. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_EVENT_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:16 | **DATA0** - event data (depends on ACTION) | + * | +-------+--------------------------------------------------------------+ + * | | 15:0 | **ACTION** - event action code | + * +---+-------+--------------------------------------------------------------+ + * | 1 | 31:0 | | + * +---+-------+ | + * |...| | **DATAn** - optional event data (depends on ACTION) | + * +---+-------+ | + * | n | 31:0 | | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_EVENT_MSG_MIN_LEN GUC_HXG_MSG_MIN_LEN +#define GUC_HXG_EVENT_MSG_0_DATA0 (0xfff << 16) +#define GUC_HXG_EVENT_MSG_0_ACTION (0xffff << 0) +#define GUC_HXG_EVENT_MSG_n_DATAn GUC_HXG_MSG_n_PAYLOAD + +/** + * DOC: HXG Busy + * + * The `HXG Busy`_ message may be used to acknowledge reception of the `HXG Request`_ + * message if the recipient expects that it processing will be longer than default + * timeout. + * + * The @COUNTER field may be used as a progress indicator. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_NO_RESPONSE_BUSY_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:0 | **COUNTER** - progress indicator | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_BUSY_MSG_LEN GUC_HXG_MSG_MIN_LEN +#define GUC_HXG_BUSY_MSG_0_COUNTER GUC_HXG_MSG_0_AUX + +/** + * DOC: HXG Retry + * + * The `HXG Retry`_ message should be used by recipient to indicate that the + * `HXG Request`_ message was dropped and it should be resent again. + * + * The @REASON field may be used to provide additional information. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_NO_RESPONSE_RETRY_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:0 | **REASON** - reason for retry | + * | | | - _`GUC_HXG_RETRY_REASON_UNSPECIFIED` = 0 | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_RETRY_MSG_LEN GUC_HXG_MSG_MIN_LEN +#define GUC_HXG_RETRY_MSG_0_REASON GUC_HXG_MSG_0_AUX +#define GUC_HXG_RETRY_REASON_UNSPECIFIED 0u + +/** + * DOC: HXG Failure + * + * The `HXG Failure`_ message shall be used as a reply to the `HXG Request`_ + * message that could not be processed due to an error. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_FAILURE_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:16 | **HINT** - additional error hint | + * | +-------+--------------------------------------------------------------+ + * | | 15:0 | **ERROR** - error/result code | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_FAILURE_MSG_LEN GUC_HXG_MSG_MIN_LEN +#define GUC_HXG_FAILURE_MSG_0_HINT (0xfff << 16) +#define GUC_HXG_FAILURE_MSG_0_ERROR (0xffff << 0) + +/** + * DOC: HXG Response + * + * The `HXG Response`_ message shall be used as a reply to the `HXG Request`_ + * message that was successfully processed without an error. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_SUCCESS_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:0 | **DATA0** - data (depends on ACTION from `HXG Request`_) | + * +---+-------+--------------------------------------------------------------+ + * | 1 | 31:0 | | + * +---+-------+ | + * |...| | **DATAn** - data (depends on ACTION from `HXG Request`_) | + * +---+-------+ | + * | n | 31:0 | | + * +---+-------+--------------------------------------------------------------+ + */ + +#define GUC_HXG_RESPONSE_MSG_MIN_LEN GUC_HXG_MSG_MIN_LEN +#define GUC_HXG_RESPONSE_MSG_0_DATA0 GUC_HXG_MSG_0_AUX +#define GUC_HXG_RESPONSE_MSG_n_DATAn GUC_HXG_MSG_n_PAYLOAD + +/* deprecated */ #define INTEL_GUC_MSG_TYPE_SHIFT 28 #define INTEL_GUC_MSG_TYPE_MASK (0xF << INTEL_GUC_MSG_TYPE_SHIFT) #define INTEL_GUC_MSG_DATA_SHIFT 16 -- 2.28.0