From patchwork Thu Sep 15 15:22:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 670489 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 ozlabs.org (Postfix) with ESMTPS id 3sZjKQ0WgTz9s65 for ; Fri, 16 Sep 2016 01:40:10 +1000 (AEST) Received: from localhost ([::1]:35594 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bkYlj-0003FC-Gz for incoming@patchwork.ozlabs.org; Thu, 15 Sep 2016 11:40:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33922) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bkYVF-0006FL-EQ for qemu-devel@nongnu.org; Thu, 15 Sep 2016 11:23:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bkYVB-0005Tm-8v for qemu-devel@nongnu.org; Thu, 15 Sep 2016 11:23:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35436) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bkYVA-0005Tb-W8 for qemu-devel@nongnu.org; Thu, 15 Sep 2016 11:23:01 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8604766847; Thu, 15 Sep 2016 15:23:00 +0000 (UTC) Received: from redhat.com (unused [10.10.50.147] (may be forged)) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id u8FFMxLn019329; Thu, 15 Sep 2016 11:22:59 -0400 Date: Thu, 15 Sep 2016 18:22:58 +0300 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <1473952956-16264-6-git-send-email-mst@redhat.com> References: <1473952956-16264-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1473952956-16264-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Thu, 15 Sep 2016 15:23:00 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL v2 5/6] hw/i386: AMD IOMMU IVRS table 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 , Eduardo Habkost , Igor Mammedov , Paolo Bonzini , David Kiarie , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: David Kiarie Add IVRS table for AMD IOMMU. Generate IVRS or DMAR depending on emulated IOMMU. Signed-off-by: David Kiarie --- include/hw/acpi/aml-build.h | 1 + include/hw/i386/x86-iommu.h | 12 +++++++ hw/acpi/aml-build.c | 2 +- hw/i386/acpi-build.c | 76 +++++++++++++++++++++++++++++++++++++++------ hw/i386/amd_iommu.c | 2 ++ hw/i386/intel_iommu.c | 1 + hw/i386/x86-iommu.c | 6 ++++ 7 files changed, 90 insertions(+), 10 deletions(-) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index e5f0878..559326c 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -367,6 +367,7 @@ Aml *aml_sizeof(Aml *arg); Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target); Aml *aml_object_type(Aml *object); +void build_append_int_noprefix(GArray *table, uint64_t value, int size); void build_header(BIOSLinker *linker, GArray *table_data, AcpiTableHeader *h, const char *sig, int len, uint8_t rev, diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h index c48e8dd..0c89d98 100644 --- a/include/hw/i386/x86-iommu.h +++ b/include/hw/i386/x86-iommu.h @@ -37,6 +37,12 @@ typedef struct X86IOMMUState X86IOMMUState; typedef struct X86IOMMUClass X86IOMMUClass; +typedef enum IommuType { + TYPE_INTEL, + TYPE_AMD, + TYPE_NONE +} IommuType; + struct X86IOMMUClass { SysBusDeviceClass parent; /* Intel/AMD specific realize() hook */ @@ -67,6 +73,7 @@ typedef struct IEC_Notifier IEC_Notifier; struct X86IOMMUState { SysBusDevice busdev; bool intr_supported; /* Whether vIOMMU supports IR */ + IommuType type; /* IOMMU type - AMD/Intel */ QLIST_HEAD(, IEC_Notifier) iec_notifiers; /* IEC notify list */ }; @@ -76,6 +83,11 @@ struct X86IOMMUState { */ X86IOMMUState *x86_iommu_get_default(void); +/* + * x86_iommu_get_type - get IOMMU type + */ +IommuType x86_iommu_get_type(void); + /** * x86_iommu_iec_register_notifier - register IEC (Interrupt Entry * Cache) notifiers diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index db3e914..b2a1e40 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -226,7 +226,7 @@ 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/i386/acpi-build.c b/hw/i386/acpi-build.c index 433feba..c20bc71 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -59,7 +59,8 @@ #include "qapi/qmp/qint.h" #include "qom/qom-qobject.h" -#include "hw/i386/x86-iommu.h" +#include "hw/i386/amd_iommu.h" +#include "hw/i386/intel_iommu.h" #include "hw/acpi/ipmi.h" @@ -2562,6 +2563,62 @@ build_dmar_q35(GArray *table_data, BIOSLinker *linker) build_header(linker, table_data, (void *)(table_data->data + dmar_start), "DMAR", table_data->len - dmar_start, 1, NULL, NULL); } +/* + * IVRS table as specified in AMD IOMMU Specification v2.62, Section 5.2 + * accessible here http://support.amd.com/TechDocs/48882_IOMMU.pdf + */ +static void +build_amd_iommu(GArray *table_data, BIOSLinker *linker) +{ + int iommu_start = table_data->len; + AMDVIState *s = AMD_IOMMU_DEVICE(x86_iommu_get_default()); + + /* IVRS header */ + acpi_data_push(table_data, sizeof(AcpiTableHeader)); + /* IVinfo - IO virtualization information common to all + * IOMMU units in a system + */ + build_append_int_noprefix(table_data, 40UL << 8/* PASize */, 4); + /* reserved */ + build_append_int_noprefix(table_data, 0, 8); + + /* IVHD definition - type 10h */ + build_append_int_noprefix(table_data, 0x10, 1); + /* virtualization flags */ + build_append_int_noprefix(table_data, + (1UL << 0) | /* HtTunEn */ + (1UL << 4) | /* iotblSup */ + (1UL << 6) | /* PrefSup */ + (1UL << 7), /* PPRSup */ + 1); + /* IVHD length */ + build_append_int_noprefix(table_data, 0x24, 2); + /* DeviceID */ + build_append_int_noprefix(table_data, s->devid, 2); + /* Capability offset */ + build_append_int_noprefix(table_data, s->capab_offset, 2); + /* IOMMU base address */ + build_append_int_noprefix(table_data, s->mmio.addr, 8); + /* PCI Segment Group */ + build_append_int_noprefix(table_data, 0, 2); + /* IOMMU info */ + build_append_int_noprefix(table_data, 0, 2); + /* IOMMU Feature Reporting */ + build_append_int_noprefix(table_data, + (48UL << 30) | /* HATS */ + (48UL << 28) | /* GATS */ + (1UL << 2), /* GTSup */ + 4); + /* + * Type 1 device entry reporting all devices + * These are 4-byte device entries currently reporting the range of + * Refer to Spec - Table 95:IVHD Device Entry Type Codes(4-byte) + */ + build_append_int_noprefix(table_data, 0x0000001, 4); + + build_header(linker, table_data, (void *)(table_data->data + iommu_start), + "IVRS", table_data->len - iommu_start, 1, NULL, NULL); +} static GArray * build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset) @@ -2622,11 +2679,6 @@ static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) return true; } -static bool acpi_has_iommu(void) -{ - return !!x86_iommu_get_default(); -} - static void acpi_build(AcpiBuildTables *tables, MachineState *machine) { @@ -2706,9 +2758,15 @@ 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()) { - acpi_add_table(table_offsets, tables_blob); - build_dmar_q35(tables_blob, tables->linker); + if (x86_iommu_get_default()) { + IommuType IOMMUType = x86_iommu_get_type(); + if (IOMMUType == TYPE_AMD) { + acpi_add_table(table_offsets, tables_blob); + build_amd_iommu(tables_blob, tables->linker); + } else if (IOMMUType == TYPE_INTEL) { + acpi_add_table(table_offsets, tables_blob); + build_dmar_q35(tables_blob, tables->linker); + } } if (pcms->acpi_nvdimm_state.is_enabled) { nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 9365af5..c6a7864 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -1311,11 +1311,13 @@ static void amdvi_reset(DeviceState *dev) static void amdvi_realize(DeviceState *dev, Error **err) { AMDVIState *s = AMD_IOMMU_DEVICE(dev); + X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev); PCIBus *bus = PC_MACHINE(qdev_get_machine())->bus; s->iotlb = g_hash_table_new_full(amdvi_uint64_hash, amdvi_uint64_equal, g_free, g_free); /* This device should take care of IOMMU PCI properties */ + x86_iommu->type = TYPE_AMD; qdev_set_parent_bus(DEVICE(&s->pci), &bus->qbus); object_property_set_bool(OBJECT(&s->pci), true, "realized", err); s->capab_offset = pci_add_capability(&s->pci.dev, AMDVI_CAPAB_ID_SEC, 0, diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 28c31a2..d6e02c8 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2453,6 +2453,7 @@ static void vtd_realize(DeviceState *dev, Error **errp) X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev); VTD_DPRINTF(GENERAL, ""); + x86_iommu->type = TYPE_INTEL; memset(s->vtd_as_by_bus_num, 0, sizeof(s->vtd_as_by_bus_num)); memory_region_init_io(&s->csrmem, OBJECT(s), &vtd_mem_ops, s, "intel_iommu", DMAR_REG_SIZE); diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c index ce26b2a..2278af7 100644 --- a/hw/i386/x86-iommu.c +++ b/hw/i386/x86-iommu.c @@ -71,6 +71,11 @@ X86IOMMUState *x86_iommu_get_default(void) return x86_iommu_default; } +IommuType x86_iommu_get_type(void) +{ + return x86_iommu_default->type; +} + static void x86_iommu_realize(DeviceState *dev, Error **errp) { X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev); @@ -79,6 +84,7 @@ static void x86_iommu_realize(DeviceState *dev, Error **errp) if (x86_class->realize) { x86_class->realize(dev, errp); } + x86_iommu_set_default(X86_IOMMU_DEVICE(dev)); }