From patchwork Mon Dec 16 00:21:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 1210042 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="S6a4h0Wa"; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 47bhmh34TTz9sPK for ; Mon, 16 Dec 2019 11:22:28 +1100 (AEDT) Received: from localhost ([::1]:44910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ige9a-0006Le-0c for incoming@patchwork.ozlabs.org; Sun, 15 Dec 2019 19:22:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58724) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ige93-0006JH-7W for qemu-devel@nongnu.org; Sun, 15 Dec 2019 19:21:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ige92-0006Ff-3p for qemu-devel@nongnu.org; Sun, 15 Dec 2019 19:21:53 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:57442) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ige92-0006DQ-0A for qemu-devel@nongnu.org; Sun, 15 Dec 2019 19:21:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576455711; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NbuokKpyZ6Rqq7FIEeSB/3yNDkaQil2rMod/VmsNJf4=; b=S6a4h0WaYn1iFznwUbcfcvtkHLlUl57Wagfs35tVSsa210JvFngUnDzpdhu8/qbCE2zKqX DiqZcBr8ytk0/6E3U/pBpTQ/NOg4Le2ngvhb0Ccs+FuHDeT2vTGJAlPBqyS2U9tkvQFHTq LeiJQrUNESTptUkmizVDymbE0TG0LgY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-16-7A9sLIAcP56usoo-tQ5Tmw-1; Sun, 15 Dec 2019 19:21:48 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 33A4A107ACCA; Mon, 16 Dec 2019 00:21:47 +0000 (UTC) Received: from x1w.redhat.com (ovpn-205-147.brq.redhat.com [10.40.205.147]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 229301001901; Mon, 16 Dec 2019 00:21:44 +0000 (UTC) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 1/2] hw/pci/pci_host: Remove redundant PCI_DPRINTF() Date: Mon, 16 Dec 2019 01:21:33 +0100 Message-Id: <20191216002134.18279-2-philmd@redhat.com> In-Reply-To: <20191216002134.18279-1-philmd@redhat.com> References: <20191216002134.18279-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: 7A9sLIAcP56usoo-tQ5Tmw-1 X-Mimecast-Spam-Score: 0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" In commit 3bf4dfdd111 we introduced the pci_cfg_[read/write] trace events in pci_host_config_[read/write]_common(). We have the following call trace: pci_host_data_[read/write]() - PCI_DPRINTF() - pci_data_[read/write]() - PCI_DPRINTF() - pci_host_config_[read/write]_common() trace_pci_cfg_[read/write]() Since the PCI_DPRINTF() calls are redundant with the trace events, remove them. Signed-off-by: Philippe Mathieu-Daudé --- hw/pci/pci_host.c | 21 +++++---------------- 1 file changed, 5 insertions(+), 16 deletions(-) diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c index c5f9244934..0958d157de 100644 --- a/hw/pci/pci_host.c +++ b/hw/pci/pci_host.c @@ -115,8 +115,6 @@ void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len) return; } - PCI_DPRINTF("%s: %s: addr=%02" PRIx32 " val=%08" PRIx32 " len=%d\n", - __func__, pci_dev->name, config_addr, val, len); pci_host_config_write_common(pci_dev, config_addr, PCI_CONFIG_SPACE_SIZE, val, len); } @@ -125,18 +123,13 @@ uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len) { PCIDevice *pci_dev = pci_dev_find_by_addr(s, addr); uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1); - uint32_t val; if (!pci_dev) { return ~0x0; } - val = pci_host_config_read_common(pci_dev, config_addr, - PCI_CONFIG_SPACE_SIZE, len); - PCI_DPRINTF("%s: %s: addr=%02"PRIx32" val=%08"PRIx32" len=%d\n", - __func__, pci_dev->name, config_addr, val, len); - - return val; + return pci_host_config_read_common(pci_dev, config_addr, + PCI_CONFIG_SPACE_SIZE, len); } static void pci_host_config_write(void *opaque, hwaddr addr, @@ -167,8 +160,7 @@ static void pci_host_data_write(void *opaque, hwaddr addr, uint64_t val, unsigned len) { PCIHostState *s = opaque; - PCI_DPRINTF("write addr " TARGET_FMT_plx " len %d val %x\n", - addr, len, (unsigned)val); + if (s->config_reg & (1u << 31)) pci_data_write(s->bus, s->config_reg | (addr & 3), val, len); } @@ -177,14 +169,11 @@ static uint64_t pci_host_data_read(void *opaque, hwaddr addr, unsigned len) { PCIHostState *s = opaque; - uint32_t val; + if (!(s->config_reg & (1U << 31))) { return 0xffffffff; } - val = pci_data_read(s->bus, s->config_reg | (addr & 3), len); - PCI_DPRINTF("read addr " TARGET_FMT_plx " len %d val %x\n", - addr, len, val); - return val; + return pci_data_read(s->bus, s->config_reg | (addr & 3), len); } const MemoryRegionOps pci_host_conf_le_ops = { From patchwork Mon Dec 16 00:21:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 1210043 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="JvChM8hE"; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 47bhmm3sXgz9sPK for ; Mon, 16 Dec 2019 11:22:32 +1100 (AEDT) Received: from localhost ([::1]:44914 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ige9e-0006Q8-3m for incoming@patchwork.ozlabs.org; Sun, 15 Dec 2019 19:22:30 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58759) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ige95-0006M9-O4 for qemu-devel@nongnu.org; Sun, 15 Dec 2019 19:21:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ige94-0006LB-NO for qemu-devel@nongnu.org; Sun, 15 Dec 2019 19:21:55 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:21827 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ige94-0006KV-K7 for qemu-devel@nongnu.org; Sun, 15 Dec 2019 19:21:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576455714; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Zyx5Q0etKOjeoIcognRvut9GjEcnClAltc5bpgSqMuo=; b=JvChM8hE9JU0+JcesF+Z8U8cO4Q8qHhHzHL1qMXwAhPDTvwy6Q4HCV3ix2VMdMaFAW62wl EkIMMIbUzNhft/1OOxf7gtqkUfxAPsowoJLETYqBphm7BbXiFY9tkZ/2k7zbtS70ZaFmx/ 5RfZKE0ilR8/igExTV/VTVlF7GpeFGA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-405-NVWiawfaPkmx3dNd-7lVyQ-1; Sun, 15 Dec 2019 19:21:50 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DB3D38017DF; Mon, 16 Dec 2019 00:21:49 +0000 (UTC) Received: from x1w.redhat.com (ovpn-205-147.brq.redhat.com [10.40.205.147]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0221F1001B00; Mon, 16 Dec 2019 00:21:47 +0000 (UTC) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 2/2] hw/pci/pci_host: Let pci_data_[read/write] use unsigned 'size' argument Date: Mon, 16 Dec 2019 01:21:34 +0100 Message-Id: <20191216002134.18279-3-philmd@redhat.com> In-Reply-To: <20191216002134.18279-1-philmd@redhat.com> References: <20191216002134.18279-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: NVWiawfaPkmx3dNd-7lVyQ-1 X-Mimecast-Spam-Score: 0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Both functions are called by MemoryRegionOps.[read/write] handlers with unsigned 'size' argument. Both functions call pci_host_config_[read/write]_common() which expect a uint32_t 'len' parameter (also unsigned). Since it is pointless (and confuse) to use a signed value, use a unsigned type. Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci_host.h | 4 ++-- hw/pci/pci_host.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/hw/pci/pci_host.h b/include/hw/pci/pci_host.h index ba31595fc7..9ce088bd13 100644 --- a/include/hw/pci/pci_host.h +++ b/include/hw/pci/pci_host.h @@ -62,8 +62,8 @@ void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr, uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr, uint32_t limit, uint32_t len); -void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len); -uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len); +void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, unsigned len); +uint32_t pci_data_read(PCIBus *s, uint32_t addr, unsigned len); extern const MemoryRegionOps pci_host_conf_le_ops; extern const MemoryRegionOps pci_host_conf_be_ops; diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c index 0958d157de..ce7bcdb1d5 100644 --- a/hw/pci/pci_host.c +++ b/hw/pci/pci_host.c @@ -106,7 +106,7 @@ uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr, return ret; } -void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len) +void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, unsigned len) { PCIDevice *pci_dev = pci_dev_find_by_addr(s, addr); uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1); @@ -119,7 +119,7 @@ void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len) val, len); } -uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len) +uint32_t pci_data_read(PCIBus *s, uint32_t addr, unsigned len) { PCIDevice *pci_dev = pci_dev_find_by_addr(s, addr); uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1);