From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF470C04AAF for ; Thu, 16 May 2019 12:40:23 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B3F7220815 for ; Thu, 16 May 2019 12:40:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3F7220815 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:54144 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRFgM-0001cs-WD for qemu-devel@archiver.kernel.org; Thu, 16 May 2019 08:40:23 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49198) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRFNU-0001kY-15 for qemu-devel@nongnu.org; Thu, 16 May 2019 08:20:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRFNR-0002sv-0I for qemu-devel@nongnu.org; Thu, 16 May 2019 08:20:52 -0400 Received: from mail-qt1-f193.google.com ([209.85.160.193]:36530) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hRFNQ-0002sg-Sw for qemu-devel@nongnu.org; Thu, 16 May 2019 08:20:48 -0400 Received: by mail-qt1-f193.google.com with SMTP id a17so3587805qth.3 for ; Thu, 16 May 2019 05:20:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=hEsXMM3fe/H6yVSyLHohC20f3iE9o4Y2zwy8WMEIegM=; b=F6j4h3g4HIYkD2Ed8q6TsYNmVeFFCy8S2MZ1m9jpMg+E9M8cTCZnKchrlwdHsm6N8G oLIlRse4c1/JlS+ohZE361ZaXD2ht186otUMF0aCuyIhLz4Cvq7MOThcZA8YkJHN1CMO 5rFnRqhIL4ZbPvVkfMHQyrqnmqHkp/w1qLjYBbYvPLte9/H4vkaMwEdI8WVy3Epb+Od0 sc6ecjyxTU9u6YmClBipOg8a5EtGuv5uzfxdp04LPl44dxlJ2XD1pi0xinLo951QG3rD 6tEiNNXF6uqLteTgfi4/HGk4UAhpc5scEe4geUytV0nIWj+KFyroY+Dvn+4hsbS2xUHi XGZA== X-Gm-Message-State: APjAAAX2apPMk/4n/KGB8lP1DnmVnhzmqoxBINJrzK7HX/d9rWdPcvH8 FewF2jf2WdprNcnLZd/c+Wop2bGGMFY= X-Google-Smtp-Source: APXvYqz81CAgH31PCYxKNOstmkrfH4Rt1UF2F1CTntXZi3/YqhLnrJzaP8EQWeuaD37Nzx2/ha8NAQ== X-Received: by 2002:ac8:2ab2:: with SMTP id b47mr42521491qta.175.1558009248124; Thu, 16 May 2019 05:20:48 -0700 (PDT) Received: from redhat.com ([185.54.206.10]) by smtp.gmail.com with ESMTPSA id m18sm2524901qki.21.2019.05.16.05.20.45 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 16 May 2019 05:20:47 -0700 (PDT) Date: Thu, 16 May 2019 08:20:44 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <1556808723-226478-9-git-send-email-imammedo@redhat.com> References: <20190515121146.7248-1-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: <20190515121146.7248-1-mst@redhat.com> X-Mailer: git-send-email 2.17.1.1206.gb667731e2e.dirty X-Mutt-Fcc: =sent X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.160.193 Subject: [Qemu-devel] [PULL 30/37] tests: acpi: add acpi_find_rsdp_address_uefi() helper 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: Peter Maydell , Laszlo Ersek , Wei Yang , Igor Mammedov Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Message-ID: <20190516122044.z3sYAU9XNS4nug4UetlTCRup7XLy140GC_rsGhK-rDo@z> From: Igor Mammedov introduce UEFI specific counterpart to acpi_find_rsdp_address() that will help to find RSDP address when [OA]VMF is used as firmware. It requires guest firmware or other guest app to place 1Mb aligned UefiTestSupport structure (defined in this patch) in RAM with UefiTestSupport::signature_guid set to AB87A6B1-2034-BDA0-71BD-375007757785 For test app details see commit (09a274d82f tests: introduce "uefi-test-tools" with the BiosTablesTest UEFI app) Signed-off-by: Igor Mammedov Reviewed-by: Laszlo Ersek Reviewed-by: Wei Yang Message-Id: <1556808723-226478-9-git-send-email-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/acpi-utils.h | 2 ++ tests/acpi-utils.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h index 1da6c100a4..52c529e1b0 100644 --- a/tests/acpi-utils.h +++ b/tests/acpi-utils.h @@ -46,6 +46,8 @@ typedef struct { uint8_t acpi_calc_checksum(const uint8_t *data, int len); uint32_t acpi_find_rsdp_address(QTestState *qts); +uint64_t acpi_find_rsdp_address_uefi(QTestState *qts, uint64_t start, + uint64_t size); void acpi_fetch_rsdp_table(QTestState *qts, uint64_t addr, uint8_t *rsdp_table); void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len, const uint8_t *addr_ptr, int addr_size, const char *sig, diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c index c216b9e0e9..d2a202efca 100644 --- a/tests/acpi-utils.c +++ b/tests/acpi-utils.c @@ -101,3 +101,47 @@ void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len, g_assert(!acpi_calc_checksum(*aml, *aml_len)); } } + +#define GUID_SIZE 16 +static const uint8_t AcpiTestSupportGuid[GUID_SIZE] = { + 0xb1, 0xa6, 0x87, 0xab, + 0x34, 0x20, + 0xa0, 0xbd, + 0x71, 0xbd, 0x37, 0x50, 0x07, 0x75, 0x77, 0x85 }; + +typedef struct { + uint8_t signature_guid[GUID_SIZE]; + uint64_t rsdp10; + uint64_t rsdp20; +} __attribute__((packed)) UefiTestSupport; + +/* Wait at most 600 seconds (test is slow with TCG and --enable-debug) */ +#define TEST_DELAY (1 * G_USEC_PER_SEC / 10) +#define TEST_CYCLES MAX((600 * G_USEC_PER_SEC / TEST_DELAY), 1) +#define MB 0x100000ULL +uint64_t acpi_find_rsdp_address_uefi(QTestState *qts, uint64_t start, + uint64_t size) +{ + int i, j; + uint8_t data[GUID_SIZE]; + + for (i = 0; i < TEST_CYCLES; ++i) { + for (j = 0; j < size / MB; j++) { + /* look for GUID at every 1Mb block */ + uint64_t addr = start + j * MB; + + qtest_memread(qts, addr, data, sizeof(data)); + if (!memcmp(AcpiTestSupportGuid, data, sizeof(data))) { + UefiTestSupport ret; + + qtest_memread(qts, addr, &ret, sizeof(ret)); + ret.rsdp10 = le64_to_cpu(ret.rsdp10); + ret.rsdp20 = le64_to_cpu(ret.rsdp20); + return ret.rsdp20 ? ret.rsdp20 : ret.rsdp10; + } + } + g_usleep(TEST_DELAY); + } + g_assert_not_reached(); + return 0; +} -- MST