From nobody Sun Dec 29 18:43:51 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1720046825; cv=none; d=zohomail.com; s=zohoarc; b=CFrx3GihdUh96/yyKQ61hKqUVQWMa8opCob6Svtc2wiwcitdeb0NgE2rY+uqTTyIhoXd0iYhF5s7yDAhQyUr1RKh+mJF7oA5JysBTITCyo/8feZLwaRDdpol+DsE99JFDByzdLu+6AQwtKt4bjxHGZdq9QhvX+G053RX3pE9HHo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1720046825; h=Content-Type:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=I7oOBawQ17ekJGPjTeJH6qenvWsB1BSkAwbq0wuPpCg=; b=H2QGcQZgUArkwd1b1eqEkwk6QY7Rm8tE/AUxNpGzDSjK4L90HyMps4pOdF6hP5uZRdyQ4sCrBa7H7wlJvhL6RyThDdiPWlk2Dt+VabvUz5I669LuiflUQjFqcnmYHT+NZKFTHrYwYfvZ5wegH0FG3YFZvc2Yn88gRkVRTq1oV10= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1720046825463887.558656988663; Wed, 3 Jul 2024 15:47:05 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sP8jg-000495-5M; Wed, 03 Jul 2024 18:46:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sP8jV-0003UP-Tu for qemu-devel@nongnu.org; Wed, 03 Jul 2024 18:45:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sP8jU-0001LG-7g for qemu-devel@nongnu.org; Wed, 03 Jul 2024 18:45:49 -0400 Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-364-OkcMpryLNvegmI-L_0QqsQ-1; Wed, 03 Jul 2024 18:45:42 -0400 Received: by mail-ed1-f69.google.com with SMTP id 4fb4d7f45d1cf-57cad6e94e5so2907495a12.3 for ; Wed, 03 Jul 2024 15:45:41 -0700 (PDT) Received: from redhat.com ([2a0d:6fc7:441:91a8:a47d:5a9:c02f:92f2]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-58de8fe6322sm442672a12.53.2024.07.03.15.45.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jul 2024 15:45:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1720046744; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=I7oOBawQ17ekJGPjTeJH6qenvWsB1BSkAwbq0wuPpCg=; b=azgngmo286x2WoMi5lFr0k4SDtxjTnQXxKer/TQOXqlkfuFWeUq+QSkemkjRO3gwg3nz8P MrYfX6TZAw47tPDWB9P2iSMs8gWejZlWuuggMoC4xscRmBxK0G4cwFaNM9Kfuz9zgL98/D teBVuu423rCKuMXK5bxFZvMjx896FSQ= X-MC-Unique: OkcMpryLNvegmI-L_0QqsQ-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720046739; x=1720651539; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=I7oOBawQ17ekJGPjTeJH6qenvWsB1BSkAwbq0wuPpCg=; b=EDeJdDcvKrOuYUI7+0+eqvksHP69+Ba1yjDUxt/LN2gmQCvK5uBnyYFHr/NpSlmFuV R3LMDg0L8YEoNGJRyVN8ZRhdEXkNAuyCcWYXV9/ePIyy+z98qI26HP19WvjhoK7vOmy7 pqtHSIdXpfZXUXCvl23+BHVgjpOQfIIJHoi3Ol9HXSQvs/4H2lqR3rTE77X6MYR+p6g9 KogvGXAHzAyUDIqN7bOiGfi//DjbX50NKfXQk2Or4DsbNY7iOACP5P5EGQM4CD5wlqNF gseUmtTScK7mLZUmNqWcgMpGyDaNHSDYIbfZDvtRb74lFKK+8FNOLKjM4O2yifaP92tk skAA== X-Gm-Message-State: AOJu0YxUgYX4TvTZV9PrYLcmttg1hdPVQhlvRKgWU+Fuy5gRxYQnhSYW ODYT6zzk8OAEAdx22hQk8pFxO98czciADEMp+SreCZFw1/ltbm+T+JMP24v+OzPYr95y5i/w4t/ 7LJV22ddzenlXG9BmSvE4P8cpftIHr5FoLzhpblZvctQJq1lL445Pj21FU2yDR1HE8uuPauibBI bhxGdXKwf/V6STFKS6ld0sdmsXvSqgEQ== X-Received: by 2002:a05:6402:51d3:b0:57c:947c:f9cf with SMTP id 4fb4d7f45d1cf-5879eed9408mr9390423a12.11.1720046738905; Wed, 03 Jul 2024 15:45:38 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHZcOFLTyGAEO6NXvv5yhaYNaCwNKD0DVZreB/5Mu/jQWKsJHTsk9pKkhFpORLLotXjQ+/Z+Q== X-Received: by 2002:a05:6402:51d3:b0:57c:947c:f9cf with SMTP id 4fb4d7f45d1cf-5879eed9408mr9390402a12.11.1720046738283; Wed, 03 Jul 2024 15:45:38 -0700 (PDT) Date: Wed, 3 Jul 2024 18:45:33 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Gregory Price , Gregory Price , Jonathan Cameron , Fan Ni Subject: [PULL v3 17/85] hw/cxl/mailbox: interface to add CCI commands to an existing CCI Message-ID: <67adb7979b6c1151a906d99f19fccf1e789316b1.1720046570.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1720046826145100002 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Gregory Price This enables wrapper devices to customize the base device's CCI (for example, with custom commands outside the specification) without the need to change the base device. The also enabled the base device to dispatch those commands without requiring additional driver support. Heavily edited by Jonathan Cameron to increase code reuse Signed-off-by: Gregory Price Signed-off-by: Jonathan Cameron Signed-off-by: Fan Ni Message-Id: <20240523174651.1089554-3-nifan.cxl@gmail.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/cxl/cxl_device.h | 2 ++ hw/cxl/cxl-mailbox-utils.c | 19 +++++++++++++++++-- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index ccc4611875..a5f8e25020 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -301,6 +301,8 @@ void cxl_initialize_mailbox_t3(CXLCCI *cci, DeviceState= *d, size_t payload_max); void cxl_initialize_mailbox_swcci(CXLCCI *cci, DeviceState *intf, DeviceState *d, size_t payload_max); void cxl_init_cci(CXLCCI *cci, size_t payload_max); +void cxl_add_cci_commands(CXLCCI *cci, const struct cxl_cmd (*cxl_cmd_set)= [256], + size_t payload_max); int cxl_process_cci_message(CXLCCI *cci, uint8_t set, uint8_t cmd, size_t len_in, uint8_t *pl_in, size_t *len_out, uint8_t *pl_out, diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 2c9f50f0f9..2a64c58e2f 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -1424,9 +1424,9 @@ static void bg_timercb(void *opaque) } } =20 -void cxl_init_cci(CXLCCI *cci, size_t payload_max) +static void cxl_rebuild_cel(CXLCCI *cci) { - cci->payload_max =3D payload_max; + cci->cel_size =3D 0; /* Reset for a fresh build */ for (int set =3D 0; set < 256; set++) { for (int cmd =3D 0; cmd < 256; cmd++) { if (cci->cxl_cmd_set[set][cmd].handler) { @@ -1440,6 +1440,13 @@ void cxl_init_cci(CXLCCI *cci, size_t payload_max) } } } +} + +void cxl_init_cci(CXLCCI *cci, size_t payload_max) +{ + cci->payload_max =3D payload_max; + cxl_rebuild_cel(cci); + cci->bg.complete_pct =3D 0; cci->bg.starttime =3D 0; cci->bg.runtime =3D 0; @@ -1458,6 +1465,14 @@ static void cxl_copy_cci_commands(CXLCCI *cci, const= struct cxl_cmd (*cxl_cmds)[ } } =20 +void cxl_add_cci_commands(CXLCCI *cci, const struct cxl_cmd (*cxl_cmd_set)= [256], + size_t payload_max) +{ + cci->payload_max =3D MAX(payload_max, cci->payload_max); + cxl_copy_cci_commands(cci, cxl_cmd_set); + cxl_rebuild_cel(cci); +} + void cxl_initialize_mailbox_swcci(CXLCCI *cci, DeviceState *intf, DeviceState *d, size_t payload_max) { --=20 MST