From patchwork Tue Dec 17 04:42:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11296619 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B7B3614B7 for ; Tue, 17 Dec 2019 05:08:01 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8DD912072D for ; Tue, 17 Dec 2019 05:08:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="JJhjjU2Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8DD912072D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:35440 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ih55U-0007wy-8s for patchwork-qemu-devel@patchwork.kernel.org; Tue, 17 Dec 2019 00:08:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34263) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ih4iq-0000p9-DI for qemu-devel@nongnu.org; Mon, 16 Dec 2019 23:44:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ih4ip-0006HD-4O for qemu-devel@nongnu.org; Mon, 16 Dec 2019 23:44:36 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:45673 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ih4io-0005pB-Pz; Mon, 16 Dec 2019 23:44:35 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 47cQWW6tTnz9sT0; Tue, 17 Dec 2019 15:43:34 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1576557815; bh=wPQbnCmTulcBaUJR53le06ApidmfEUZ/0yBK/Wsb83g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JJhjjU2YeKbZh4EgzcEZ+ex8I2rsii36PMc0oe07lzc1ryZcLKQ3JqD8boPz4ufjl X9jXJO7AX7nEX5Jauk6kLKLPMBm0LuZIw5OiR0kWIBJjYwrASOaIQezJ1Lro56RaPY 8GwmsiXoWA+UDFDCrwTOJy/NlZ6MApQHmfbYAOJ4= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 37/88] ppc/xive: Use the XiveFabric and XivePresenter interfaces Date: Tue, 17 Dec 2019 15:42:31 +1100 Message-Id: <20191217044322.351838-38-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191217044322.351838-1-david@gibson.dropbear.id.au> References: <20191217044322.351838-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, aik@ozlabs.ru, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Cédric Le Goater Now that the machines have handlers implementing the XiveFabric and XivePresenter interfaces, remove xive_presenter_match() and make use of the 'match_nvt' handler of the machine. Reviewed-by: Greg Kurz Signed-off-by: Cédric Le Goater Message-Id: <20191125065820.927-12-clg@kaod.org> Signed-off-by: David Gibson --- hw/intc/xive.c | 48 +++++++++++++++++------------------------------- 1 file changed, 17 insertions(+), 31 deletions(-) diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 1c9e58f8de..8e683847bf 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -1423,30 +1423,6 @@ int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx, return -1; } -static bool xive_presenter_match(XiveRouter *xrtr, uint8_t format, - uint8_t nvt_blk, uint32_t nvt_idx, - bool cam_ignore, uint8_t priority, - uint32_t logic_serv, XiveTCTXMatch *match) -{ - XivePresenter *xptr = XIVE_PRESENTER(xrtr); - XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); - int count; - - count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, - priority, logic_serv, match); - if (count < 0) { - return false; - } - - if (!match->tctx) { - qemu_log_mask(LOG_UNIMP, "XIVE: NVT %x/%x is not dispatched\n", - nvt_blk, nvt_idx); - return false; - } - - return true; -} - /* * This is our simple Xive Presenter Engine model. It is merged in the * Router as it does not require an extra object. @@ -1462,22 +1438,32 @@ static bool xive_presenter_match(XiveRouter *xrtr, uint8_t format, * * The parameters represent what is sent on the PowerBus */ -static bool xive_presenter_notify(XiveRouter *xrtr, uint8_t format, +static bool xive_presenter_notify(uint8_t format, uint8_t nvt_blk, uint32_t nvt_idx, bool cam_ignore, uint8_t priority, uint32_t logic_serv) { + XiveFabric *xfb = XIVE_FABRIC(qdev_get_machine()); + XiveFabricClass *xfc = XIVE_FABRIC_GET_CLASS(xfb); XiveTCTXMatch match = { .tctx = NULL, .ring = 0 }; - bool found; + int count; - found = xive_presenter_match(xrtr, format, nvt_blk, nvt_idx, cam_ignore, - priority, logic_serv, &match); - if (found) { + /* + * Ask the machine to scan the interrupt controllers for a match + */ + count = xfc->match_nvt(xfb, format, nvt_blk, nvt_idx, cam_ignore, + priority, logic_serv, &match); + if (count < 0) { + return false; + } + + /* handle CPU exception delivery */ + if (count) { ipb_update(&match.tctx->regs[match.ring], priority); xive_tctx_notify(match.tctx, match.ring); } - return found; + return !!count; } /* @@ -1590,7 +1576,7 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk, return; } - found = xive_presenter_notify(xrtr, format, nvt_blk, nvt_idx, + found = xive_presenter_notify(format, nvt_blk, nvt_idx, xive_get_field32(END_W7_F0_IGNORE, end.w7), priority, xive_get_field32(END_W7_F1_LOG_SERVER_ID, end.w7));