From nobody Tue Feb 10 09:59:33 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1604891243; cv=none; d=zohomail.com; s=zohoarc; b=bDrRcuHCJTYK7hg5+TWNlL9qyXbrW7ZOhAMHKPOmyEe8vYDRGeA6lETanGu6xeTomOtP1/mwmnYnOzMbQnCPeNNq7Ylago8ptTZTMBtCDKO29oifro2i3udYb7R1KAmf5shpAxorJP5FYob+0dsdsjgxEglKOZhoiQEOgpttlsM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1604891243; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=U9wBwhS+6kFZP8XgrwLAltJiCKw2UfFF8yxvdzBYmEU=; b=RqIR1gOFA8+KsBSsTaZEWRRfr/OtKBHS6VglVxDmd7cBsOaj9LA/zClvxr1srfVGZmdrhVXFh9AKI2EdbaOzl2USBgzFucgPf1D2jxQhzVSJrJrZNaVbbpHbcJbsSm/2/3WYVFfLLen48GC2jH7c0T0V1wI0pg3CdYk6IrVGlhM= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1604891243955418.99000022855057; Sun, 8 Nov 2020 19:07:23 -0800 (PST) Received: from localhost ([::1]:45744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kbxWc-0003mv-Sl for importer@patchew.org; Sun, 08 Nov 2020 22:07:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44752) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kbxUr-0001aQ-BY; Sun, 08 Nov 2020 22:05:33 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2399) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kbxUn-0006jI-Fq; Sun, 08 Nov 2020 22:05:33 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CTwpm0CzHz15SjP; Mon, 9 Nov 2020 11:05:20 +0800 (CST) Received: from localhost (10.174.186.67) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Mon, 9 Nov 2020 11:05:17 +0800 From: Ying Fang To: Subject: [RFC PATCH v3 12/13] hw/acpi/aml-build: Build ACPI cpu cache hierarchy information Date: Mon, 9 Nov 2020 11:04:51 +0800 Message-ID: <20201109030452.2197-13-fangying1@huawei.com> X-Mailer: git-send-email 2.28.0.windows.1 In-Reply-To: <20201109030452.2197-1-fangying1@huawei.com> References: <20201109030452.2197-1-fangying1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.186.67] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=45.249.212.190; envelope-from=fangying1@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/08 22:05:17 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: drjones@redhat.com, zhang.zhanghailiang@huawei.com, qemu-devel@nongnu.org, shannon.zhaosl@gmail.com, qemu-arm@nongnu.org, alistair.francis@wdc.com, Ying Fang , imammedo@redhat.com, salil.mehta@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" To build cache information, An AcpiCacheInfo structure is defined to hold the type 1 cache structure according to ACPI spec v6.3 5.2.29.2. A helper function build_cache_hierarchy is also introduced to encode the cache information. Signed-off-by: Ying Fang --- hw/acpi/aml-build.c | 26 ++++++++++++++++++++++++++ include/hw/acpi/acpi-defs.h | 8 ++++++++ include/hw/acpi/aml-build.h | 3 +++ 3 files changed, 37 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index d1aa9fd716..1a38110149 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1770,6 +1770,32 @@ void build_slit(GArray *table_data, BIOSLinker *link= er, MachineState *ms) table_data->len - slit_start, 1, NULL, NULL); } =20 +/* ACPI 6.3: 5.29.2 Cache type structure (Type 1) */ +static void build_cache_head(GArray *tbl, uint32_t next_level) +{ + build_append_byte(tbl, 1); + build_append_byte(tbl, 24); + build_append_int_noprefix(tbl, 0, 2); + build_append_int_noprefix(tbl, 0x7f, 4); + build_append_int_noprefix(tbl, next_level, 4); +} + +static void build_cache_tail(GArray *tbl, AcpiCacheInfo *cache_info) +{ + build_append_int_noprefix(tbl, cache_info->size, 4); + build_append_int_noprefix(tbl, cache_info->sets, 4); + build_append_byte(tbl, cache_info->associativity); + build_append_byte(tbl, cache_info->attributes); + build_append_int_noprefix(tbl, cache_info->line_size, 2); +} + +void build_cache_hierarchy(GArray *tbl, + uint32_t next_level, AcpiCacheInfo *cache_info) +{ + build_cache_head(tbl, next_level); + build_cache_tail(tbl, cache_info); +} + /* * ACPI 6.3: 5.2.29.1 Processor hierarchy node structure (Type 0) */ diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 38a42f409a..3df38ab449 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -618,4 +618,12 @@ struct AcpiIortRC { } QEMU_PACKED; typedef struct AcpiIortRC AcpiIortRC; =20 +typedef struct AcpiCacheInfo { + uint32_t size; + uint32_t sets; + uint8_t associativity; + uint8_t attributes; + uint16_t line_size; +} AcpiCacheInfo; + #endif diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 56474835a7..01078753a8 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -437,6 +437,9 @@ void build_srat_memory(AcpiSratMemoryAffinity *numamem,= uint64_t base, =20 void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms); =20 +void build_cache_hierarchy(GArray *tbl, + uint32_t next_level, AcpiCacheInfo *cache_info); + void build_socket_hierarchy(GArray *tbl, uint32_t parent, uint32_t id); =20 void build_processor_hierarchy(GArray *tbl, uint32_t flags, --=20 2.23.0