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[192.237.175.120]) by mx.google.com with ESMTPS id z203si3022923qka.44.2016.03.30.03.10.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 30 Mar 2016 03:10:30 -0700 (PDT) Received-SPF: neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) smtp.mailfrom=xen-devel-bounces@lists.xen.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1alD4O-0002yr-EO; Wed, 30 Mar 2016 10:09:48 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1alD4N-0002x0-2r for xen-devel@lists.xen.org; Wed, 30 Mar 2016 10:09:47 +0000 Received: from [193.109.254.147] by server-9.bemta-14.messagelabs.com id BE/58-02984-AE5ABF65; Wed, 30 Mar 2016 10:09:46 +0000 X-Env-Sender: zhaoshenglong@huawei.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1459332582!30756704!1 X-Originating-IP: [119.145.14.65] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTE5LjE0NS4xNC42NSA9PiA3NzQ2Mw==\n X-StarScan-Received: X-StarScan-Version: 8.11; banners=-,-,- X-VirusChecked: Checked Received: (qmail 41257 invoked from network); 30 Mar 2016 10:09:45 -0000 Received: from unknown (HELO szxga02-in.huawei.com) (119.145.14.65) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Mar 2016 10:09:45 -0000 Received: from 172.24.1.50 (EHLO SZXEML423-HUB.china.huawei.com) ([172.24.1.50]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DEK04345; Wed, 30 Mar 2016 18:09:04 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by SZXEML423-HUB.china.huawei.com (10.82.67.154) with Microsoft SMTP Server id 14.3.235.1; Wed, 30 Mar 2016 18:08:56 +0800 From: Shannon Zhao To: Date: Wed, 30 Mar 2016 18:08:03 +0800 Message-ID: <1459332494-18964-11-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1459332494-18964-1-git-send-email-zhaoshenglong@huawei.com> References: <1459332494-18964-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.56FBA5C4.0041, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 4994df630753349a1ac97b381710d4e0 Cc: sstabellini@kernel.org, peter.huangpeng@huawei.com, julien.grall@arm.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org, zhaoshenglong@huawei.com Subject: [Xen-devel] [PATCH v8 10/21] arm/acpi: Map all other tables for Dom0 X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" From: Shannon Zhao Map all other ACPI tables into Dom0 using 1:1 mappings. Signed-off-by: Shannon Zhao Reviewed-by: Stefano Stabellini Acked-by: Julien Grall --- xen/arch/arm/domain_build.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index e025be8..71fbcf6 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1357,6 +1357,30 @@ static int prepare_dtb(struct domain *d, struct kernel_info *kinfo) } #ifdef CONFIG_ACPI +static void acpi_map_other_tables(struct domain *d) +{ + int i; + unsigned long res; + u64 addr, size; + + /* Map all ACPI tables to Dom0 using 1:1 mappings. */ + for( i = 0; i < acpi_gbl_root_table_list.count; i++ ) + { + addr = acpi_gbl_root_table_list.tables[i].address; + size = acpi_gbl_root_table_list.tables[i].length; + res = map_regions_rw_cache(d, + paddr_to_pfn(addr & PAGE_MASK), + DIV_ROUND_UP(size, PAGE_SIZE), + paddr_to_pfn(addr & PAGE_MASK)); + if ( res ) + { + panic(XENLOG_ERR "Unable to map ACPI region 0x%"PRIx64 + " - 0x%"PRIx64" in domain \n", + addr & PAGE_MASK, PAGE_ALIGN(addr + size) - 1); + } + } +} + static int acpi_create_rsdp(struct domain *d, struct membank tbl_add[]) { @@ -1695,6 +1719,8 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo) if ( rc != 0 ) return rc; + acpi_map_other_tables(d); + return 0; } #else