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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 D34C2C43603 for ; Mon, 16 Dec 2019 14:08:25 +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 A0BF4206B7 for ; Mon, 16 Dec 2019 14:08:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="GBpT9wgF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0BF4206B7 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 ([::1]:54312 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igr2u-0001oP-I2 for qemu-devel@archiver.kernel.org; Mon, 16 Dec 2019 09:08:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58600) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igqyh-00049k-QX for qemu-devel@nongnu.org; Mon, 16 Dec 2019 09:04:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1igqyg-0003uf-6I for qemu-devel@nongnu.org; Mon, 16 Dec 2019 09:04:03 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:31378 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1igqyg-0003uY-1N for qemu-devel@nongnu.org; Mon, 16 Dec 2019 09:04:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576505041; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XB5s37rAPv1BzFFArVrq1786MkybtY4z+dn+u1KH+UE=; b=GBpT9wgFsiqCBwL1qL8i0ZjoimNi2wlht3Z6STIn+N5GBCf9aZcrGtmgBfngh+WJTCEPvM qKumrRLvLYWpr+f7VbRl4c5gLfCvDoU6P1gScsc40YJjxMMwgXPjTU+fNgDHaVg4fUoIsx l7IsQ+KB++pz7brJSp3Qmst7JKMN6c4= 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-394-4Pdl_56RMCGLwFQgWWRfxw-1; Mon, 16 Dec 2019 09:04:00 -0500 X-MC-Unique: 4Pdl_56RMCGLwFQgWWRfxw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DA4FC107ACC9; Mon, 16 Dec 2019 14:03:57 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-117.ams2.redhat.com [10.36.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id F2565675BE; Mon, 16 Dec 2019 14:03:54 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [kvm-unit-tests PATCH 06/16] arm/arm64: ITS: Test BASER Date: Mon, 16 Dec 2019 15:02:25 +0100 Message-Id: <20191216140235.10751-7-eric.auger@redhat.com> In-Reply-To: <20191216140235.10751-1-eric.auger@redhat.com> References: <20191216140235.10751-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 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: peter.maydell@linaro.org, drjones@redhat.com, andre.przywara@arm.com, thuth@redhat.com, yuzenghui@huawei.com, alexandru.elisei@arm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add helper routines to parse and set up BASER registers. Add a new test dedicated to BASER accesses. Signed-off-by: Eric Auger --- arm/gic.c | 20 ++++++++++ arm/unittests.cfg | 6 +++ lib/arm/asm/gic-v3-its.h | 17 ++++++++ lib/arm/gic-v3-its.c | 84 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 127 insertions(+) diff --git a/arm/gic.c b/arm/gic.c index adeb981..8b56fce 100644 --- a/arm/gic.c +++ b/arm/gic.c @@ -536,6 +536,22 @@ static void test_its_introspection(void) typer->pta ? "Redist basse address" : "PE #"); } =20 +static void test_its_baser(void) +{ + struct its_baser *dev_baser, *coll_baser; + + if (!gicv3_its_base()) { + report_skip("No ITS, skip ..."); + return; + } + + dev_baser =3D its_lookup_baser(GITS_BASER_TYPE_DEVICE); + coll_baser =3D its_lookup_baser(GITS_BASER_TYPE_COLLECTION); + report(dev_baser && coll_baser, "detect device and collection BASER"); + report_info("device baser entry_size =3D 0x%x", dev_baser->esz); + report_info("collection baser entry_size =3D 0x%x", dev_baser->esz); +} + int main(int argc, char **argv) { if (!gic_init()) { @@ -571,6 +587,10 @@ int main(int argc, char **argv) report_prefix_push(argv[1]); test_its_introspection(); report_prefix_pop(); + } else if (strcmp(argv[1], "its-baser") =3D=3D 0) { + report_prefix_push(argv[1]); + test_its_baser(); + report_prefix_pop(); } else { report_abort("Unknown subtest '%s'", argv[1]); } diff --git a/arm/unittests.cfg b/arm/unittests.cfg index bd20460..2234a0f 100644 --- a/arm/unittests.cfg +++ b/arm/unittests.cfg @@ -128,6 +128,12 @@ smp =3D $MAX_SMP extra_params =3D -machine gic-version=3D3 -append 'its-introspection' groups =3D its =20 +[its-baser] +file =3D gic.flat +smp =3D $MAX_SMP +extra_params =3D -machine gic-version=3D3 -append 'its-baser' +groups =3D its + # Test PSCI emulation [psci] file =3D psci.flat diff --git a/lib/arm/asm/gic-v3-its.h b/lib/arm/asm/gic-v3-its.h index 2ce483e..0c0178d 100644 --- a/lib/arm/asm/gic-v3-its.h +++ b/lib/arm/asm/gic-v3-its.h @@ -100,9 +100,23 @@ struct its_typer { bool virt_lpi; }; =20 +struct its_baser { + unsigned int index; + int type; + u64 cache; + int shr; + size_t psz; + int nr_pages; + bool indirect; + phys_addr_t table_addr; + bool valid; + int esz; +}; + struct its_data { void *base; struct its_typer typer; + struct its_baser baser[GITS_BASER_NR_REGS]; }; =20 extern struct its_data its_data; @@ -111,6 +125,9 @@ extern struct its_data its_data; =20 extern void its_parse_typer(void); extern void its_init(void); +extern int its_parse_baser(int i, struct its_baser *baser); +extern void its_setup_baser(int i, struct its_baser *baser); +extern struct its_baser *its_lookup_baser(int type); =20 #endif /* !__ASSEMBLY__ */ #endif /* _ASMARM_GIC_V3_ITS_H_ */ diff --git a/lib/arm/gic-v3-its.c b/lib/arm/gic-v3-its.c index 34f4d0e..303022f 100644 --- a/lib/arm/gic-v3-its.c +++ b/lib/arm/gic-v3-its.c @@ -4,6 +4,7 @@ * This work is licensed under the terms of the GNU LGPL, version 2. */ #include +#include =20 struct its_data its_data; =20 @@ -31,11 +32,94 @@ void its_parse_typer(void) its_data.typer.phys_lpi =3D typer & GITS_TYPER_PLPIS; } =20 +int its_parse_baser(int i, struct its_baser *baser) +{ + void *reg_addr =3D gicv3_its_base() + GITS_BASER + i * 8; + u64 val =3D readq(reg_addr); + + if (!val) { + memset(baser, 0, sizeof(*baser)); + return -1; + } + + baser->valid =3D val & GITS_BASER_VALID; + baser->indirect =3D val & GITS_BASER_INDIRECT; + baser->type =3D GITS_BASER_TYPE(val); + baser->esz =3D GITS_BASER_ENTRY_SIZE(val); + baser->nr_pages =3D GITS_BASER_NR_PAGES(val); + baser->table_addr =3D val & GITS_BASER_PHYS_ADDR_MASK; + baser->cache =3D (val >> GITS_BASER_INNER_CACHEABILITY_SHIFT) & + GITS_BASER_CACHEABILITY_MASK; + switch (val & GITS_BASER_PAGE_SIZE_MASK) { + case GITS_BASER_PAGE_SIZE_4K: + baser->psz =3D SZ_4K; + break; + case GITS_BASER_PAGE_SIZE_16K: + baser->psz =3D SZ_16K; + break; + case GITS_BASER_PAGE_SIZE_64K: + baser->psz =3D SZ_64K; + break; + default: + baser->psz =3D SZ_64K; + } + baser->shr =3D (val >> 10) & 0x3; + return 0; +} + +struct its_baser *its_lookup_baser(int type) +{ + int i; + + for (i =3D 0; i < GITS_BASER_NR_REGS; i++) { + struct its_baser *baser =3D &its_data.baser[i]; + + if (baser->type =3D=3D type) + return baser; + } + return NULL; +} + void its_init(void) { + int i; if (!its_data.base) return; =20 its_parse_typer(); + for (i =3D 0; i < GITS_BASER_NR_REGS; i++) + its_parse_baser(i, &its_data.baser[i]); +} + +void its_setup_baser(int i, struct its_baser *baser) +{ + unsigned long n =3D (baser->nr_pages * baser->psz) >> PAGE_SHIFT; + unsigned long order =3D is_power_of_2(n) ? fls(n) : fls(n) + 1; + u64 val; + + baser->table_addr =3D (u64)virt_to_phys(alloc_pages(order)); + + val =3D ((u64)baser->table_addr | + ((u64)baser->type << GITS_BASER_TYPE_SHIFT) | + ((u64)(baser->esz - 1) << GITS_BASER_ENTRY_SIZE_SHIFT) | + ((baser->nr_pages - 1) << GITS_BASER_PAGES_SHIFT) | + baser->cache | + baser->shr | + (u64)baser->indirect << 62 | + (u64)baser->valid << 63); + + switch (baser->psz) { + case SZ_4K: + val |=3D GITS_BASER_PAGE_SIZE_4K; + break; + case SZ_16K: + val |=3D GITS_BASER_PAGE_SIZE_16K; + break; + case SZ_64K: + val |=3D GITS_BASER_PAGE_SIZE_64K; + break; + } + + writeq(val, gicv3_its_base() + GITS_BASER + i * 8); } =20 --=20 2.20.1