From patchwork Sun Apr 24 22:12:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Kiarie X-Patchwork-Id: 8921901 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D851DBF29F for ; Sun, 24 Apr 2016 22:13:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 664EE201F2 for ; Sun, 24 Apr 2016 22:13:38 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2E20520173 for ; Sun, 24 Apr 2016 22:13:37 +0000 (UTC) Received: from localhost ([::1]:56829 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auSHY-0005M3-Eg for patchwork-qemu-devel@patchwork.kernel.org; Sun, 24 Apr 2016 18:13:36 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53718) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auSHJ-0005Ex-II for qemu-devel@nongnu.org; Sun, 24 Apr 2016 18:13:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1auSHG-0003Xv-B2 for qemu-devel@nongnu.org; Sun, 24 Apr 2016 18:13:21 -0400 Received: from mail-wm0-x242.google.com ([2a00:1450:400c:c09::242]:35361) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auSHG-0003Xr-0T for qemu-devel@nongnu.org; Sun, 24 Apr 2016 18:13:18 -0400 Received: by mail-wm0-x242.google.com with SMTP id e201so17813797wme.2 for ; Sun, 24 Apr 2016 15:13:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=D0olwoZ9sqUVOD57Yy8UOuFT+dBlkR2LldE1oygoWmw=; b=ofTFqEpTWh3/wK7WiHEg2YYHqi1eI1EsYm0G9DctBfYCc7E+v7RF/5vsohq9iYibHJ TBtCLa4sKHEeNgZXw9jSr7WWlakYg4HXFCNITtEzSJlqk560qzOyt/WgGSYkiptzPtfE mnBGdSr64itBwczHXQh3mOFKvf6C0lFcTM7Pradln2O8U1CLhEYu/LK5RFOeZKOChzKj kxwcCrjtaODj0f+rLl2rwhSoMO7i6no/uoMfTuIuX8UweQT02+lweU631hwYxhUNTGt+ 5I0IrD4DSNBfA/0YkjKQTv4doyT6+tWuXKzP0Du38cHT6suVU0W7VXCnXwkhokCfIJPs lLOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=D0olwoZ9sqUVOD57Yy8UOuFT+dBlkR2LldE1oygoWmw=; b=O6rbtCB1THxaNnEdFmiGW3WyIVpz4f0Rn/JGpbD5IyInzRsH9I7Zrvu37Z7qTdNX5S dMEwHmePHpb8FwiLT0ra7RqF1LUhQIPVmcdZTLzzyXskKfYfPOTCn1eOayRdxRDjwlt0 W4OPO8b5mMTP49ZHb8u1iwQU07GJaBFHgjIjuRv53m2lDeWSRDqfZNNO2/FQdOxDG9ts 2hFqp44uKz4lU/aMClK4Q0pXAseEUOEz98KVpC1joLCWGCaU/QSMXkDnyqiJ2e6urEYd MpaCeJhHr9TUJXwKQ7vqMfxIn5B3i0qnRDaZBtvjM0x0HQuuc7gHeFciKxZU52/gQnFK hJAA== X-Gm-Message-State: AOPr4FULbR3nkEbQxRSafblA3s/oHInjqpe/o1kpGQRUj2vSpCliTVFP+0WOMj+dXfyYcQ== X-Received: by 10.28.146.135 with SMTP id u129mr8197211wmd.8.1461535997380; Sun, 24 Apr 2016 15:13:17 -0700 (PDT) Received: from debian.flybox.orange ([154.122.159.79]) by smtp.googlemail.com with ESMTPSA id u3sm15541843wmg.15.2016.04.24.15.13.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 24 Apr 2016 15:13:16 -0700 (PDT) From: David Kiarie To: qemu-devel@nongnu.org Date: Mon, 25 Apr 2016 01:12:55 +0300 Message-Id: <1461535977-331-3-git-send-email-davidkiarie4@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1461535977-331-1-git-send-email-davidkiarie4@gmail.com> References: <1461535977-331-1-git-send-email-davidkiarie4@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:400c:c09::242 Subject: [Qemu-devel] [V9 2/4] hw/i386: ACPI table for AMD IOMMU 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: jan.kizska@web.de, mst@redhat.com, valentine.sinitsyn@gmail.com, marcel@redhat.com, imammedo@redhat.com, David Kiarie Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add IVRS table for AMD IOMMU. Generate IVRS or DMAR depending on emulated IOMMU Signed-off-by: David Kiarie --- hw/acpi/aml-build.c | 2 +- hw/acpi/core.c | 13 ------ hw/i386/acpi-build.c | 101 +++++++++++++++++++++++++++++++++++++++----- include/hw/acpi/acpi-defs.h | 14 ++++++ include/hw/acpi/acpi.h | 16 +++++++ include/hw/acpi/aml-build.h | 1 + 6 files changed, 122 insertions(+), 25 deletions(-) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index ab89ca6..da11bf8 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -227,7 +227,7 @@ static void build_extop_package(GArray *package, uint8_t op) build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ } -static void build_append_int_noprefix(GArray *table, uint64_t value, int size) +void build_append_int_noprefix(GArray *table, uint64_t value, int size) { int i; diff --git a/hw/acpi/core.c b/hw/acpi/core.c index 7925a1a..ee0e687 100644 --- a/hw/acpi/core.c +++ b/hw/acpi/core.c @@ -29,19 +29,6 @@ #include "qapi-visit.h" #include "qapi-event.h" -struct acpi_table_header { - uint16_t _length; /* our length, not actual part of the hdr */ - /* allows easier parsing for fw_cfg clients */ - char sig[4]; /* ACPI signature (4 ASCII characters) */ - uint32_t length; /* Length of table, in bytes, including header */ - uint8_t revision; /* ACPI Specification minor version # */ - uint8_t checksum; /* To make sum of entire table == 0 */ - char oem_id[6]; /* OEM identification */ - char oem_table_id[8]; /* OEM table identification */ - uint32_t oem_revision; /* OEM revision number */ - char asl_compiler_id[4]; /* ASL compiler vendor ID */ - uint32_t asl_compiler_revision; /* ASL compiler revision number */ -} QEMU_PACKED; #define ACPI_TABLE_HDR_SIZE sizeof(struct acpi_table_header) #define ACPI_TABLE_PFX_SIZE sizeof(uint16_t) /* size of the extra prefix */ diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 6477003..19efc68 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -52,6 +52,7 @@ #include "hw/pci/pci_bus.h" #include "hw/pci-host/q35.h" #include "hw/i386/intel_iommu.h" +#include "hw/i386/amd_iommu.h" #include "hw/timer/hpet.h" #include "hw/acpi/aml-build.h" @@ -118,6 +119,12 @@ typedef struct AcpiBuildPciBusHotplugState { bool pcihp_bridge_en; } AcpiBuildPciBusHotplugState; +typedef enum IommuType { + TYPE_AMD, + TYPE_INTEL, + TYPE_NONE +} IommuType; + static void acpi_get_pm_info(AcpiPmInfo *pm) { Object *piix = piix4_pm_find(); @@ -2598,6 +2605,81 @@ build_dmar_q35(GArray *table_data, GArray *linker) "DMAR", table_data->len - dmar_start, 1, NULL, NULL); } +#define IOMMU_IVRS_LENGTH 0x30 +/* increase ivdb length if more devices are added */ +#define IOMMU_IVDB_LENGTH 0x20 + +static void +build_amd_iommu(GArray *table_data, GArray *linker) +{ + int iommu_start = table_data->len; + bool iommu_ambig; + + /* IVRS definition - table header has an extra 2-byte field */ + acpi_data_push(table_data, (sizeof(acpi_table_header) - 2)); + /* common virtualization information */ + build_append_int_noprefix(table_data, AMD_IOMMU_HOST_ADDRESS_WIDTH << 8, 4); + /* reserved */ + build_append_int_noprefix(table_data, 0, 8); + + AMDIOMMUState *s = (AMDIOMMUState *)object_resolve_path_type("", + TYPE_AMD_IOMMU_DEVICE, &iommu_ambig); + + /* IVDB definition - type 10h */ + if (!iommu_ambig) { + /* IVHD definition - type 10h */ + build_append_int_noprefix(table_data, 0x10, 1); + /* virtualization flags */ + build_append_int_noprefix(table_data, (IVHD_HT_TUNEN | + IVHD_PPRSUP | IVHD_IOTLBSUP | IVHD_PREFSUP), 1); + /* ivhd length */ + build_append_int_noprefix(table_data, IOMMU_IVDB_LENGTH, 2); + /* iommu device id */ + build_append_int_noprefix(table_data, PCI_DEVICE_ID_RD890_IOMMU, 2); + /* offset of capability registers */ + build_append_int_noprefix(table_data, s->capab_offset, 2); + /* mmio base register */ + build_append_int_noprefix(table_data, s->mmio.addr, 8); + /* pci segment */ + build_append_int_noprefix(table_data, 0, 2); + /* interrupt numbers */ + build_append_int_noprefix(table_data, 0, 2); + /* feature reporting */ + build_append_int_noprefix(table_data, (IVHD_EFR_GTSUP | + IVHD_EFR_HATS | IVHD_EFR_GATS), 4); + /* Add device flags here + * This is are 4-byte device entries currently reporting the range of + * devices 00h - ffffh; all devices + * Device setting affecting all devices should be made here + * + * Refer to + * (http://developer.amd.com/wordpress/media/2012/10/488821.pdf) + * Table 95 + */ + /* start of device range, 4-byte entries */ + build_append_int_noprefix(table_data, 0x03000000, 4); + /* end of device range */ + build_append_int_noprefix(table_data, 0x04ffff00, 4); + } + + build_header(linker, table_data, (void *)(table_data->data + iommu_start), + "IVRS", table_data->len - iommu_start, 1, NULL, NULL); +} + +static IommuType has_iommu(void) +{ + bool ambiguous; + + if (object_resolve_path_type("", TYPE_AMD_IOMMU_DEVICE, &ambiguous) + && !ambiguous) + return TYPE_AMD; + else if (object_resolve_path_type("", TYPE_INTEL_IOMMU_DEVICE, &ambiguous) + && !ambiguous) + return TYPE_INTEL; + else + return TYPE_NONE; +} + static GArray * build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) { @@ -2656,16 +2738,6 @@ static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) return true; } -static bool acpi_has_iommu(void) -{ - bool ambiguous; - Object *intel_iommu; - - intel_iommu = object_resolve_path_type("", TYPE_INTEL_IOMMU_DEVICE, - &ambiguous); - return intel_iommu && !ambiguous; -} - static void acpi_build(AcpiBuildTables *tables, MachineState *machine) { @@ -2678,6 +2750,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) AcpiMcfgInfo mcfg; PcPciInfo pci; uint8_t *u; + IommuType IOMMUType = has_iommu(); size_t aml_len = 0; GArray *tables_blob = tables->table_data; AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; @@ -2743,7 +2816,13 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) acpi_add_table(table_offsets, tables_blob); build_mcfg_q35(tables_blob, tables->linker, &mcfg); } - if (acpi_has_iommu()) { + + if (IOMMUType == TYPE_AMD) { + acpi_add_table(table_offsets, tables_blob); + build_amd_iommu(tables_blob, tables->linker); + } + + if (IOMMUType == TYPE_INTEL) { acpi_add_table(table_offsets, tables_blob); build_dmar_q35(tables_blob, tables->linker); } diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index c7a03d4..114227a 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -570,4 +570,18 @@ typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit; /* Masks for Flags field above */ #define ACPI_DMAR_INCLUDE_PCI_ALL 1 +/* IVRS constants */ +#define AMD_IOMMU_HOST_ADDRESS_WIDTH 39UL + +/* flags in the IVHD headers */ +#define IVHD_HT_TUNEN (1UL << 0) +#define IVHD_IOTLBSUP (1UL << 4) +#define IVHD_PREFSUP (1UL << 6) +#define IVHD_PPRSUP (1UL << 7) + +/* features in the IVHD headers */ +#define IVHD_EFR_HATS 48 +#define IVHD_EFR_GATS 48 +#define IVHD_EFR_GTSUP (1UL << 2) + #endif diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h index e0978c8..a708b84 100644 --- a/include/hw/acpi/acpi.h +++ b/include/hw/acpi/acpi.h @@ -201,4 +201,20 @@ struct AcpiSlicOem { }; int acpi_get_slic_oem(AcpiSlicOem *oem); +struct acpi_table_header { + uint16_t _length; /* our length, not actual part of the hdr */ + /* allows easier parsing for fw_cfg clients */ + char sig[4]; /* ACPI signature (4 ASCII characters) */ + uint32_t length; /* Length of table, in bytes, including header */ + uint8_t revision; /* ACPI Specification minor version # */ + uint8_t checksum; /* To make sum of entire table == 0 */ + char oem_id[6]; /* OEM identification */ + char oem_table_id[8]; /* OEM table identification */ + uint32_t oem_revision; /* OEM revision number */ + char asl_compiler_id[4]; /* ASL compiler vendor ID */ + uint32_t asl_compiler_revision; /* ASL compiler revision number */ +} QEMU_PACKED; + +typedef struct acpi_table_header acpi_table_header; + #endif /* !QEMU_HW_ACPI_H */ diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 2c994b3..d25e9a5 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -355,6 +355,7 @@ Aml *aml_derefof(Aml *arg); Aml *aml_sizeof(Aml *arg); Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target); +void build_append_int_noprefix(GArray *table, uint64_t value, int size); void build_header(GArray *linker, GArray *table_data, AcpiTableHeader *h, const char *sig, int len, uint8_t rev,