From nobody Fri Nov 7 10:30:13 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1547547253806554.3568419069163; Tue, 15 Jan 2019 02:14:13 -0800 (PST) Received: from localhost ([127.0.0.1]:50043 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjLjY-0005O6-QP for importer@patchew.org; Tue, 15 Jan 2019 05:14:12 -0500 Received: from eggs.gnu.org ([209.51.188.92]:42739) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjLeo-0001mT-Hc for qemu-devel@nongnu.org; Tue, 15 Jan 2019 05:09:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gjLXB-0005tp-LA for qemu-devel@nongnu.org; Tue, 15 Jan 2019 05:01:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42052) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gjLXB-0005tK-Fj for qemu-devel@nongnu.org; Tue, 15 Jan 2019 05:01:25 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8A9C5637FC; Tue, 15 Jan 2019 10:01:24 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-117-143.ams2.redhat.com [10.36.117.143]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9F00D16D29; Tue, 15 Jan 2019 10:01:03 +0000 (UTC) From: Stefano Garzarella To: qemu-devel@nongnu.org Date: Tue, 15 Jan 2019 11:00:55 +0100 Message-Id: <20190115100058.44712-2-sgarzare@redhat.com> In-Reply-To: <20190115100058.44712-1-sgarzare@redhat.com> References: <20190115100058.44712-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 15 Jan 2019 10:01:24 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 1/4] linuxboot_dma: remove duplicate definitions of FW_CFG X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Stefan Hajnoczi , George Kennedy , Gerd Hoffmann , Marc-Andre Lureau , Paolo Bonzini , Boris Ostrovsky , Maran Wilson , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" FW_CFG_DMA_CTL_* bits and struct fw_cfg_dma_access are defined in the qemu_fw_cfg.h header file already included in linuxboot_dma.c, so we can remove the definition of BIOS_CFG_DMA_CTL_* and struct FWCfgDmaAccess. Signed-off-by: Stefano Garzarella Reviewed-by: Stefan Hajnoczi --- pc-bios/optionrom/linuxboot_dma.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/pc-bios/optionrom/linuxboot_dma.c b/pc-bios/optionrom/linuxboo= t_dma.c index d856d41b55..f728dc839f 100644 --- a/pc-bios/optionrom/linuxboot_dma.c +++ b/pc-bios/optionrom/linuxboot_dma.c @@ -58,12 +58,6 @@ asm( " jmp load_kernel\n" ); =20 -/* QEMU_CFG_DMA_CONTROL bits */ -#define BIOS_CFG_DMA_CTL_ERROR 0x01 -#define BIOS_CFG_DMA_CTL_READ 0x02 -#define BIOS_CFG_DMA_CTL_SKIP 0x04 -#define BIOS_CFG_DMA_CTL_SELECT 0x08 - #define BIOS_CFG_DMA_ADDR_HIGH 0x514 #define BIOS_CFG_DMA_ADDR_LOW 0x518 =20 @@ -75,12 +69,6 @@ asm( =20 #define barrier() asm("" : : : "memory") =20 -typedef struct FWCfgDmaAccess { - uint32_t control; - uint32_t length; - uint64_t address; -} __attribute__((packed)) FWCfgDmaAccess; - static inline void outl(uint32_t value, uint16_t port) { asm("outl %0, %w1" : : "a"(value), "Nd"(port)); @@ -153,9 +141,9 @@ static inline uint32_t be32_to_cpu(uint32_t x) static __attribute__((__noinline__)) void bios_cfg_read_entry(void *buf, uint16_t entry, uint32_t len) { - FWCfgDmaAccess access; - uint32_t control =3D (entry << 16) | BIOS_CFG_DMA_CTL_SELECT - | BIOS_CFG_DMA_CTL_READ; + struct fw_cfg_dma_access access; + uint32_t control =3D (entry << 16) | FW_CFG_DMA_CTL_SELECT + | FW_CFG_DMA_CTL_READ; =20 access.address =3D cpu_to_be64((uint64_t)(uint32_t)buf); access.length =3D cpu_to_be32(len); @@ -165,7 +153,7 @@ void bios_cfg_read_entry(void *buf, uint16_t entry, uin= t32_t len) =20 outl(cpu_to_be32((uint32_t)&access), BIOS_CFG_DMA_ADDR_LOW); =20 - while (be32_to_cpu(access.control) & ~BIOS_CFG_DMA_CTL_ERROR) { + while (be32_to_cpu(access.control) & ~FW_CFG_DMA_CTL_ERROR) { barrier(); } } --=20 2.20.1