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=-17.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 0895DC64E75 for ; Tue, 24 Nov 2020 17:08:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C437D20897 for ; Tue, 24 Nov 2020 17:08:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403863AbgKXRIX (ORCPT ); Tue, 24 Nov 2020 12:08:23 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:38998 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390740AbgKXRIJ (ORCPT ); Tue, 24 Nov 2020 12:08:09 -0500 Received: by mail-wm1-f67.google.com with SMTP id s13so3620782wmh.4; Tue, 24 Nov 2020 09:08:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=iSy+7CaWmr7dYr0SNSPrl+Q/2IeK6S5L4pZcI30bMis=; b=C1MmvGnIyNVLNIg2BxuDwDHGl5SFPWNhbWmxI/bOUFp4++Rt9O+A1fdD6ShaYsFhh6 72vp+wv4Qq831p1RRWGYGdcNo4lIiq61TY3XcdQh+YNXRZlmSb5eASZjilTD7+KOEdNN zUnoA3fQIduJDX4WiniBGuIIcuxLAPdWUSWrt0PsZrTnIvS/4nOpxM6AKIHXL4011YOD jxpDp/l3aNk2TVgszKESHIc0NiLQWFEXWn83bD9aTNrWCOur52Pe+JkLT94RJyWPmeO/ FG1Uld8sE3lI691jUFZfsdcDuRUA6pRg3X462uh4S7IbdrDUzirq4FK7avInQ1ZEnnl6 1g6w== X-Gm-Message-State: AOAM532sgSWMvswS7i93yNMETSMNCLie9/liB2mkRvvKjwVboUvQdwBW odgeSJxHhQ2RX7HT5MuKK+R8sCAbecY= X-Google-Smtp-Source: ABdhPJx3Eg+8d06wrLvmyagpiwC8Rplun4TrB/OqQ9EUt4ZcPblI4BQKby/Mag6aWyanryxr1I79XA== X-Received: by 2002:a1c:1dc1:: with SMTP id d184mr5555065wmd.169.1606237682996; Tue, 24 Nov 2020 09:08:02 -0800 (PST) Received: from liuwe-devbox-debian-v2.j3c5onc20sse1dnehy4noqpfcg.zx.internal.cloudapp.net ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id v20sm6419874wmh.44.2020.11.24.09.08.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Nov 2020 09:08:02 -0800 (PST) From: Wei Liu To: Linux on Hyper-V List Cc: virtualization@lists.linux-foundation.org, Linux Kernel List , Michael Kelley , Vineeth Pillai , Sunil Muthuswamy , Nuno Das Neves , Wei Liu , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Arnd Bergmann , linux-arch@vger.kernel.org (open list:GENERIC INCLUDE/ASM HEADER FILES) Subject: [PATCH v3 13/17] asm-generic/hyperv: introduce hv_device_id and auxiliary structures Date: Tue, 24 Nov 2020 17:07:40 +0000 Message-Id: <20201124170744.112180-14-wei.liu@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201124170744.112180-1-wei.liu@kernel.org> References: <20201124170744.112180-1-wei.liu@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We will need to identify the device we want Microsoft Hypervisor to manipulate. Introduce the data structures for that purpose. They will be used in a later patch. Signed-off-by: Sunil Muthuswamy Co-Developed-by: Sunil Muthuswamy Signed-off-by: Wei Liu --- include/asm-generic/hyperv-tlfs.h | 79 +++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h index 8423bf53c237..42ff1326c6bd 100644 --- a/include/asm-generic/hyperv-tlfs.h +++ b/include/asm-generic/hyperv-tlfs.h @@ -623,4 +623,83 @@ struct hv_set_vp_registers_input { } element[]; } __packed; +enum hv_device_type { + HV_DEVICE_TYPE_LOGICAL = 0, + HV_DEVICE_TYPE_PCI = 1, + HV_DEVICE_TYPE_IOAPIC = 2, + HV_DEVICE_TYPE_ACPI = 3, +}; + +typedef u16 hv_pci_rid; +typedef u16 hv_pci_segment; +typedef u64 hv_logical_device_id; +union hv_pci_bdf { + u16 as_uint16; + + struct { + u8 function:3; + u8 device:5; + u8 bus; + }; +} __packed; + +union hv_pci_bus_range { + u16 as_uint16; + + struct { + u8 subordinate_bus; + u8 secondary_bus; + }; +} __packed; + +union hv_device_id { + u64 as_uint64; + + struct { + u64 :62; + u64 device_type:2; + }; + + /* HV_DEVICE_TYPE_LOGICAL */ + struct { + u64 id:62; + u64 device_type:2; + } logical; + + /* HV_DEVICE_TYPE_PCI */ + struct { + union { + hv_pci_rid rid; + union hv_pci_bdf bdf; + }; + + hv_pci_segment segment; + union hv_pci_bus_range shadow_bus_range; + + u16 phantom_function_bits:2; + u16 source_shadow:1; + + u16 rsvdz0:11; + u16 device_type:2; + } pci; + + /* HV_DEVICE_TYPE_IOAPIC */ + struct { + u8 ioapic_id; + u8 rsvdz0; + u16 rsvdz1; + u16 rsvdz2; + + u16 rsvdz3:14; + u16 device_type:2; + } ioapic; + + /* HV_DEVICE_TYPE_ACPI */ + struct { + u32 input_mapping_base; + u32 input_mapping_count:30; + u32 device_type:2; + } acpi; +} __packed; + #endif -- 2.20.1