From patchwork Tue Aug 29 14:32:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13369083 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 BE809C71153 for ; Tue, 29 Aug 2023 14:33:58 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qazm5-0007jI-FL; Tue, 29 Aug 2023 10:32:57 -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 1qazm2-0007fg-GG; Tue, 29 Aug 2023 10:32:54 -0400 Received: from mail.ozlabs.org ([2404:9400:2221:ea00::3] helo=gandalf.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qazlx-0007Qn-O8; Tue, 29 Aug 2023 10:32:54 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4RZqdl4qYgz4wxQ; Wed, 30 Aug 2023 00:32:43 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4RZqdj0P92z4wd0; Wed, 30 Aug 2023 00:32:40 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, =?utf-8?b?RnLDqWTDqXJpYyBCYXJyYXQ=?= , Nicholas Piggin , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH 0/4] ppc/xive: Rework Inter chip communication Date: Tue, 29 Aug 2023 16:32:32 +0200 Message-ID: <20230829143236.219348-1-clg@kaod.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Received-SPF: pass client-ip=2404:9400:2221:ea00::3; envelope-from=SRS0=bkLz=EO=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hello, Today, the inter chip communication for interrupts uses the pnv_xive_get_remote() routine to grab the remote XIVE interrupt controller object. This is a modeling shortcut which can be improved by implementing : * remote END triggers * memory operations on remote NVT structures. Both are addressed by this series for P9. P10 should be similar. Thanks, C. Cédric Le Goater (4): ppc/xive: Use address_space routines to access the machine RAM ppc/xive: Introduce a new XiveRouter end_notify() handler ppc/xive: Handle END triggers between chips with MMIOs ppc/xive: Add support for the PC MMIOs hw/intc/pnv_xive_regs.h | 1 + include/hw/ppc/xive.h | 2 + hw/intc/pnv_xive.c | 170 +++++++++++++++++++++++++++++++--------- hw/intc/pnv_xive2.c | 27 ++++++- hw/intc/xive.c | 28 ++++--- 5 files changed, 177 insertions(+), 51 deletions(-)