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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=sunilvl@ventanamicro.com; helo=mail-pl1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748411684100003 Content-Type: text/plain; charset="utf-8" ACPI needs OEM_ID and OEM_TABLE_ID for the machine. Add these fields in the RISCVVirtState structure and initialize with default values. Signed-off-by: Sunil V L Reviewed-by: Bin Meng Acked-by: Alistair Francis Reviewed-by: Andrew Jones --- hw/riscv/virt.c | 5 +++++ include/hw/riscv/virt.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 86c4adc0c9..1621278eb8 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -49,6 +49,7 @@ #include "hw/pci/pci.h" #include "hw/pci-host/gpex.h" #include "hw/display/ramfb.h" +#include "hw/acpi/aml-build.h" =20 /* * The virt machine physical address space used by some of the devices @@ -1513,6 +1514,10 @@ static void virt_machine_init(MachineState *machine) =20 static void virt_machine_instance_init(Object *obj) { + RISCVVirtState *s =3D RISCV_VIRT_MACHINE(obj); + + s->oem_id =3D g_strndup(ACPI_BUILD_APPNAME6, 6); + s->oem_table_id =3D g_strndup(ACPI_BUILD_APPNAME8, 8); } =20 static char *virt_get_aia_guests(Object *obj, Error **errp) diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index b3d26135c0..6c7885bf89 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -56,6 +56,8 @@ struct RISCVVirtState { bool have_aclint; RISCVVirtAIAType aia_type; int aia_guests; + char *oem_id; + char *oem_table_id; }; =20 enum { --=20 2.34.1 From nobody Mon May 6 12:02:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=1677748413; cv=none; d=zohomail.com; s=zohoarc; b=c3dkz7lo/aD26UbA75JaeSkGB7vbA+sJAyTPoSek3yidnDnaoRMcU7/yFzCMrb7/KGIBVPzlvi4pF//03SGFjpeJwz1e+suaXZP6apE9WzAYDE34d2F2cd4BL94/kchrRZ5nfPRxkRpXqYvESOjMgG2mSj9nxMFH4jKLf/Vcw/M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1677748413; h=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=EoMLEEBeALy5RqHQol1x3kgq/xhZyhIr706Dydz1mcg=; b=h20TqI8Ql88kAC2/7fJ3Q2AikzZ9HqUNHlowi7oXm8jjCfgysk4zhrKZ5X/Jcj1tYOx6bXKMllb9DuWnqvqTwA7fYCscjCS+EwH++mCQ0N8dNISu5sdUnbH8YGiES6O7IzhnGIgi6JzXEgUIXddBQuOKXGN3HOGlK6mimvu+b+U= ARC-Authentication-Results: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x1034.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748415676100001 Content-Type: text/plain; charset="utf-8" ACPI will be enabled by default. Add a switch to turn off for testing and debug purposes. Signed-off-by: Sunil V L Reviewed-by: Andrew Jones --- hw/riscv/virt.c | 29 +++++++++++++++++++++++++++++ include/hw/riscv/virt.h | 2 ++ 2 files changed, 31 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 1621278eb8..8df37cf3d6 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -50,6 +50,7 @@ #include "hw/pci-host/gpex.h" #include "hw/display/ramfb.h" #include "hw/acpi/aml-build.h" +#include "qapi/qapi-visit-common.h" =20 /* * The virt machine physical address space used by some of the devices @@ -1518,6 +1519,7 @@ static void virt_machine_instance_init(Object *obj) =20 s->oem_id =3D g_strndup(ACPI_BUILD_APPNAME6, 6); s->oem_table_id =3D g_strndup(ACPI_BUILD_APPNAME8, 8); + s->acpi =3D ON_OFF_AUTO_AUTO; } =20 static char *virt_get_aia_guests(Object *obj, Error **errp) @@ -1592,6 +1594,28 @@ static void virt_set_aclint(Object *obj, bool value,= Error **errp) s->have_aclint =3D value; } =20 +bool virt_is_acpi_enabled(RISCVVirtState *s) +{ + return s->acpi !=3D ON_OFF_AUTO_OFF; +} + +static void virt_get_acpi(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + RISCVVirtState *s =3D RISCV_VIRT_MACHINE(obj); + OnOffAuto acpi =3D s->acpi; + + visit_type_OnOffAuto(v, name, &acpi, errp); +} + +static void virt_set_acpi(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + RISCVVirtState *s =3D RISCV_VIRT_MACHINE(obj); + + visit_type_OnOffAuto(v, name, &s->acpi, errp); +} + static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *mach= ine, DeviceState *dev) { @@ -1663,6 +1687,11 @@ static void virt_machine_class_init(ObjectClass *oc,= void *data) sprintf(str, "Set number of guest MMIO pages for AIA IMSIC. Valid valu= e " "should be between 0 and %d.", VIRT_IRQCHIP_MAX_GUESTS); object_class_property_set_description(oc, "aia-guests", str); + object_class_property_add(oc, "acpi", "OnOffAuto", + virt_get_acpi, virt_set_acpi, + NULL, NULL); + object_class_property_set_description(oc, "acpi", + "Enable ACPI"); } =20 static const TypeInfo virt_machine_typeinfo =3D { diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index 6c7885bf89..62efebaa32 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -58,6 +58,7 @@ struct RISCVVirtState { int aia_guests; char *oem_id; char *oem_table_id; + OnOffAuto acpi; }; =20 enum { @@ -123,4 +124,5 @@ enum { #define FDT_APLIC_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \ 1 + FDT_APLIC_INT_CELLS) =20 +bool virt_is_acpi_enabled(RISCVVirtState *s); #endif --=20 2.34.1 From nobody Mon May 6 12:02:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; 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Thu, 02 Mar 2023 01:12:36 -0800 (PST) From: Sunil V L To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Andrew Jones , Anup Patel , Atish Kumar Patra , Igor Mammedov , Sunil V L , Bin Meng Subject: [PATCH V5 3/8] hw/riscv/virt: Add memmap pointer to RiscVVirtState Date: Thu, 2 Mar 2023 14:42:07 +0530 Message-Id: <20230302091212.999767-4-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230302091212.999767-1-sunilvl@ventanamicro.com> References: <20230302091212.999767-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::636; envelope-from=sunilvl@ventanamicro.com; helo=mail-pl1-x636.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748379735100001 Content-Type: text/plain; charset="utf-8" memmap needs to be exported outside of virt.c so that modules like acpi can use it. Hence, add a pointer field in RiscVVirtState structure and initialize it with the memorymap. Signed-off-by: Sunil V L Reviewed-by: Bin Meng Acked-by: Alistair Francis Reviewed-by: Andrew Jones --- hw/riscv/virt.c | 2 ++ include/hw/riscv/virt.h | 1 + 2 files changed, 3 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 8df37cf3d6..9b85d5b747 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1451,6 +1451,8 @@ static void virt_machine_init(MachineState *machine) ROUND_UP(virt_high_pcie_memmap.base, virt_high_pcie_memmap.siz= e); } =20 + s->memmap =3D virt_memmap; + /* register system main memory (actual RAM) */ memory_region_add_subregion(system_memory, memmap[VIRT_DRAM].base, machine->ram); diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index 62efebaa32..379501edcc 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -59,6 +59,7 @@ struct RISCVVirtState { char *oem_id; char *oem_table_id; OnOffAuto acpi; + const MemMapEntry *memmap; }; =20 enum { --=20 2.34.1 From nobody Mon May 6 12:02:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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Thu, 02 Mar 2023 01:12:40 -0800 (PST) From: Sunil V L To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Andrew Jones , Anup Patel , Atish Kumar Patra , Igor Mammedov , Sunil V L Subject: [PATCH V5 4/8] hw/riscv/virt: Enable basic ACPI infrastructure Date: Thu, 2 Mar 2023 14:42:08 +0530 Message-Id: <20230302091212.999767-5-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230302091212.999767-1-sunilvl@ventanamicro.com> References: <20230302091212.999767-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::1032; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x1032.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748514991100001 Content-Type: text/plain; charset="utf-8" Add basic ACPI infrastructure for RISC-V with below tables. 1) DSDT with below basic objects - CPUs - fw_cfg 2) FADT revision 6 with HW_REDUCED flag 3) XSDT 4) RSDP Add this functionality in a new file virt-acpi-build.c and enable building this infrastructure. Signed-off-by: Sunil V L Reviewed-by: Andrew Jones --- hw/riscv/Kconfig | 1 + hw/riscv/meson.build | 1 + hw/riscv/virt-acpi-build.c | 304 +++++++++++++++++++++++++++++++++++++ include/hw/riscv/virt.h | 1 + 4 files changed, 307 insertions(+) create mode 100644 hw/riscv/virt-acpi-build.c diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 4550b3b938..6528ebfa3a 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -44,6 +44,7 @@ config RISCV_VIRT select VIRTIO_MMIO select FW_CFG_DMA select PLATFORM_BUS + select ACPI =20 config SHAKTI_C bool diff --git a/hw/riscv/meson.build b/hw/riscv/meson.build index ab6cae57ea..2f7ee81be3 100644 --- a/hw/riscv/meson.build +++ b/hw/riscv/meson.build @@ -9,5 +9,6 @@ riscv_ss.add(when: 'CONFIG_SIFIVE_E', if_true: files('sifiv= e_e.c')) riscv_ss.add(when: 'CONFIG_SIFIVE_U', if_true: files('sifive_u.c')) riscv_ss.add(when: 'CONFIG_SPIKE', if_true: files('spike.c')) riscv_ss.add(when: 'CONFIG_MICROCHIP_PFSOC', if_true: files('microchip_pfs= oc.c')) +riscv_ss.add(when: 'CONFIG_ACPI', if_true: files('virt-acpi-build.c')) =20 hw_arch +=3D {'riscv': riscv_ss} diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c new file mode 100644 index 0000000000..d6947fdc74 --- /dev/null +++ b/hw/riscv/virt-acpi-build.c @@ -0,0 +1,304 @@ +/* + * Support for generating ACPI tables and passing them to Guests + * + * RISC-V virt ACPI generation + * + * Copyright (C) 2008-2010 Kevin O'Connor + * Copyright (C) 2006 Fabrice Bellard + * Copyright (C) 2013 Red Hat Inc + * Copyright (c) 2015 HUAWEI TECHNOLOGIES CO.,LTD. + * Copyright (C) 2021-2023 Ventana Micro Systems Inc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, see . + */ + +#include "qemu/osdep.h" +#include "hw/acpi/acpi-defs.h" +#include "hw/acpi/acpi.h" +#include "hw/acpi/aml-build.h" +#include "hw/acpi/utils.h" +#include "qapi/error.h" +#include "sysemu/reset.h" +#include "migration/vmstate.h" +#include "hw/riscv/virt.h" + +#define ACPI_BUILD_TABLE_SIZE 0x20000 + +typedef struct AcpiBuildState { + /* Copy of table in RAM (for patching) */ + MemoryRegion *table_mr; + MemoryRegion *rsdp_mr; + MemoryRegion *linker_mr; + /* Is table patched? */ + bool patched; +} AcpiBuildState; + +static void acpi_align_size(GArray *blob, unsigned align) +{ + /* + * Align size to multiple of given size. This reduces the chance + * we need to change size in the future (breaking cross version migrat= ion). + */ + g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); +} + +static void riscv_acpi_madt_add_rintc(uint32_t uid, + const CPUArchIdList *arch_ids, + GArray *entry) +{ + uint64_t hart_id =3D arch_ids->cpus[uid].arch_id; + + build_append_int_noprefix(entry, 0x18, 1); /* Type */ + build_append_int_noprefix(entry, 20, 1); /* Length */ + build_append_int_noprefix(entry, 1, 1); /* Version */ + build_append_int_noprefix(entry, 0, 1); /* Reserved */ + build_append_int_noprefix(entry, 0x1, 4); /* Flags */ + build_append_int_noprefix(entry, hart_id, 8); /* Hart ID */ + build_append_int_noprefix(entry, uid, 4); /* ACPI Processor UID= */ +} + +static void acpi_dsdt_add_cpus(Aml *scope, RISCVVirtState *s) +{ + MachineClass *mc =3D MACHINE_GET_CLASS(s); + MachineState *ms =3D MACHINE(s); + const CPUArchIdList *arch_ids =3D mc->possible_cpu_arch_ids(ms); + + for (int i =3D 0; i < arch_ids->len; i++) { + Aml *dev; + GArray *madt_buf =3D g_array_new(0, 1, 1); + + dev =3D aml_device("C%.03X", i); + aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0007"))); + aml_append(dev, aml_name_decl("_UID", + aml_int(arch_ids->cpus[i].arch_id))); + + /* build _MAT object */ + riscv_acpi_madt_add_rintc(i, arch_ids, madt_buf); + aml_append(dev, aml_name_decl("_MAT", + aml_buffer(madt_buf->len, + (uint8_t *)madt_buf->data))); + g_array_free(madt_buf, true); + + aml_append(scope, dev); + } +} + +static void acpi_dsdt_add_fw_cfg(Aml *scope, const MemMapEntry *fw_cfg_mem= map) +{ + Aml *dev =3D aml_device("FWCF"); + aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); + + /* device present, functioning, decoding, not shown in UI */ + aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); + aml_append(dev, aml_name_decl("_CCA", aml_int(1))); + + Aml *crs =3D aml_resource_template(); + aml_append(crs, aml_memory32_fixed(fw_cfg_memmap->base, + fw_cfg_memmap->size, AML_READ_WRITE= )); + aml_append(dev, aml_name_decl("_CRS", crs)); + aml_append(scope, dev); +} + +/* FADT */ +static void build_fadt_rev6(GArray *table_data, + BIOSLinker *linker, + RISCVVirtState *s, + unsigned dsdt_tbl_offset) +{ + AcpiFadtData fadt =3D { + .rev =3D 6, + .minor_ver =3D 5, + .flags =3D 1 << ACPI_FADT_F_HW_REDUCED_ACPI, + .xdsdt_tbl_offset =3D &dsdt_tbl_offset, + }; + + build_fadt(table_data, linker, &fadt, s->oem_id, s->oem_table_id); +} + +/* DSDT */ +static void build_dsdt(GArray *table_data, + BIOSLinker *linker, + RISCVVirtState *s) +{ + Aml *scope, *dsdt; + const MemMapEntry *memmap =3D s->memmap; + AcpiTable table =3D { .sig =3D "DSDT", .rev =3D 2, .oem_id =3D s->oem_= id, + .oem_table_id =3D s->oem_table_id }; + + + acpi_table_begin(&table, table_data); + dsdt =3D init_aml_allocator(); + + /* + * When booting the VM with UEFI, UEFI takes ownership of the RTC hard= ware. + * While UEFI can use libfdt to disable the RTC device node in the DTB= that + * it passes to the OS, it cannot modify AML. Therefore, we won't gene= rate + * the RTC ACPI device at all when using UEFI. + */ + scope =3D aml_scope("\\_SB"); + acpi_dsdt_add_cpus(scope, s); + + acpi_dsdt_add_fw_cfg(scope, &memmap[VIRT_FW_CFG]); + + aml_append(dsdt, scope); + + /* copy AML table into ACPI tables blob and patch header there */ + g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); + + acpi_table_end(linker, &table); + free_aml_allocator(); +} + +static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables) +{ + GArray *table_offsets; + unsigned dsdt, xsdt; + GArray *tables_blob =3D tables->table_data; + + table_offsets =3D g_array_new(false, true, + sizeof(uint32_t)); + + bios_linker_loader_alloc(tables->linker, + ACPI_BUILD_TABLE_FILE, tables_blob, + 64, false); + + /* DSDT is pointed to by FADT */ + dsdt =3D tables_blob->len; + build_dsdt(tables_blob, tables->linker, s); + + /* FADT and others pointed to by XSDT */ + acpi_add_table(table_offsets, tables_blob); + build_fadt_rev6(tables_blob, tables->linker, s, dsdt); + + /* XSDT is pointed to by RSDP */ + xsdt =3D tables_blob->len; + build_xsdt(tables_blob, tables->linker, table_offsets, s->oem_id, + s->oem_table_id); + + /* RSDP is in FSEG memory, so allocate it separately */ + { + AcpiRsdpData rsdp_data =3D { + .revision =3D 2, + .oem_id =3D s->oem_id, + .xsdt_tbl_offset =3D &xsdt, + .rsdt_tbl_offset =3D NULL, + }; + build_rsdp(tables->rsdp, tables->linker, &rsdp_data); + } + + /* + * The align size is 128, warn if 64k is not enough therefore + * the align size could be resized. + */ + if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) { + warn_report("ACPI table size %u exceeds %d bytes," + " migration may not work", + tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2); + error_printf("Try removing some objects."); + } + + acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); + + /* Clean up memory that's no longer used */ + g_array_free(table_offsets, true); +} + +static void acpi_ram_update(MemoryRegion *mr, GArray *data) +{ + uint32_t size =3D acpi_data_len(data); + + /* + * Make sure RAM size is correct - in case it got changed + * e.g. by migration + */ + memory_region_ram_resize(mr, size, &error_abort); + + memcpy(memory_region_get_ram_ptr(mr), data->data, size); + memory_region_set_dirty(mr, 0, size); +} + +static void virt_acpi_build_update(void *build_opaque) +{ + AcpiBuildState *build_state =3D build_opaque; + AcpiBuildTables tables; + + /* No state to update or already patched? Nothing to do. */ + if (!build_state || build_state->patched) { + return; + } + + build_state->patched =3D true; + + acpi_build_tables_init(&tables); + + virt_acpi_build(RISCV_VIRT_MACHINE(qdev_get_machine()), &tables); + + acpi_ram_update(build_state->table_mr, tables.table_data); + acpi_ram_update(build_state->rsdp_mr, tables.rsdp); + acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob); + + acpi_build_tables_cleanup(&tables, true); +} + +static void virt_acpi_build_reset(void *build_opaque) +{ + AcpiBuildState *build_state =3D build_opaque; + build_state->patched =3D false; +} + +static const VMStateDescription vmstate_virt_acpi_build =3D { + .name =3D "virt_acpi_build", + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (VMStateField[]) { + VMSTATE_BOOL(patched, AcpiBuildState), + VMSTATE_END_OF_LIST() + }, +}; + +void virt_acpi_setup(RISCVVirtState *s) +{ + AcpiBuildTables tables; + AcpiBuildState *build_state; + + build_state =3D g_malloc0(sizeof *build_state); + + acpi_build_tables_init(&tables); + virt_acpi_build(s, &tables); + + /* Now expose it all to Guest */ + build_state->table_mr =3D acpi_add_rom_blob(virt_acpi_build_update, + build_state, tables.table_da= ta, + ACPI_BUILD_TABLE_FILE); + assert(build_state->table_mr !=3D NULL); + + build_state->linker_mr =3D acpi_add_rom_blob(virt_acpi_build_update, + build_state, + tables.linker->cmd_blob, + ACPI_BUILD_LOADER_FILE); + + build_state->rsdp_mr =3D acpi_add_rom_blob(virt_acpi_build_update, + build_state, tables.rsdp, + ACPI_BUILD_RSDP_FILE); + + qemu_register_reset(virt_acpi_build_reset, build_state); + virt_acpi_build_reset(build_state); + vmstate_register(NULL, 0, &vmstate_virt_acpi_build, build_state); + + /* + * Clean up tables but don't free the memory: we track it + * in build_state. + */ + acpi_build_tables_cleanup(&tables, false); +} diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index 379501edcc..e5c474b26e 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -126,4 +126,5 @@ enum { 1 + FDT_APLIC_INT_CELLS) =20 bool virt_is_acpi_enabled(RISCVVirtState *s); 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1032; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x1032.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748429715100003 Content-Type: text/plain; charset="utf-8" Add Multiple APIC Description Table (MADT) with the RINTC structure for each cpu. Signed-off-by: Sunil V L Acked-by: Alistair Francis Reviewed-by: Andrew Jones --- hw/riscv/virt-acpi-build.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index d6947fdc74..026d1eaf88 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -32,6 +32,7 @@ #include "sysemu/reset.h" #include "migration/vmstate.h" #include "hw/riscv/virt.h" +#include "hw/riscv/numa.h" =20 #define ACPI_BUILD_TABLE_SIZE 0x20000 =20 @@ -160,6 +161,36 @@ static void build_dsdt(GArray *table_data, free_aml_allocator(); } =20 +/* + * ACPI spec, Revision 6.5+ + * 5.2.12 Multiple APIC Description Table (MADT) + * REF: https://github.com/riscv-non-isa/riscv-acpi/issues/15 + * https://drive.google.com/file/d/1R6k4MshhN3WTT-hwqAquu5nX6xSEqK2l/= view + */ +static void build_madt(GArray *table_data, + BIOSLinker *linker, + RISCVVirtState *s) +{ + MachineClass *mc =3D MACHINE_GET_CLASS(s); + MachineState *ms =3D MACHINE(s); + const CPUArchIdList *arch_ids =3D mc->possible_cpu_arch_ids(ms); + + AcpiTable table =3D { .sig =3D "APIC", .rev =3D 6, .oem_id =3D s->oem_= id, + .oem_table_id =3D s->oem_table_id }; + + acpi_table_begin(&table, table_data); + /* Local Interrupt Controller Address */ + build_append_int_noprefix(table_data, 0, 4); + build_append_int_noprefix(table_data, 0, 4); /* MADT Flags */ + + /* RISC-V Local INTC structures per HART */ + for (int i =3D 0; i < arch_ids->len; i++) { + riscv_acpi_madt_add_rintc(i, arch_ids, table_data); + } + + acpi_table_end(linker, &table); +} + static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables) { GArray *table_offsets; @@ -181,6 +212,9 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuil= dTables *tables) acpi_add_table(table_offsets, tables_blob); build_fadt_rev6(tables_blob, tables->linker, s, dsdt); =20 + acpi_add_table(table_offsets, tables_blob); + build_madt(tables_blob, tables->linker, s); + /* XSDT is pointed to by RSDP */ xsdt =3D tables_blob->len; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748498947100005 Content-Type: text/plain; charset="utf-8" RISC-V ACPI platforms need to provide RISC-V Hart Capabilities Table (RHCT). Add this to the ACPI tables. Signed-off-by: Sunil V L Reviewed-by: Andrew Jones --- hw/riscv/virt-acpi-build.c | 78 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 026d1eaf88..82da0a238c 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -33,6 +33,7 @@ #include "migration/vmstate.h" #include "hw/riscv/virt.h" #include "hw/riscv/numa.h" +#include "hw/intc/riscv_aclint.h" =20 #define ACPI_BUILD_TABLE_SIZE 0x20000 =20 @@ -111,6 +112,80 @@ static void acpi_dsdt_add_fw_cfg(Aml *scope, const Mem= MapEntry *fw_cfg_memmap) aml_append(scope, dev); } =20 +/* RHCT Node[N] starts at offset 56 */ +#define RHCT_NODE_ARRAY_OFFSET 56 + +/* + * ACPI spec, Revision 6.5+ + * 5.2.36 RISC-V Hart Capabilities Table (RHCT) + * REF: https://github.com/riscv-non-isa/riscv-acpi/issues/16 + * https://drive.google.com/file/d/1nP3nFiH4jkPMp6COOxP6123DCZKR-tia/= view + */ +static void build_rhct(GArray *table_data, + BIOSLinker *linker, + RISCVVirtState *s) +{ + MachineClass *mc =3D MACHINE_GET_CLASS(s); + MachineState *ms =3D MACHINE(s); + const CPUArchIdList *arch_ids =3D mc->possible_cpu_arch_ids(ms); + size_t len, aligned_len; + uint32_t isa_offset, num_rhct_nodes; + RISCVCPU *cpu; + char *isa; + + AcpiTable table =3D { .sig =3D "RHCT", .rev =3D 1, .oem_id =3D s->oem_= id, + .oem_table_id =3D s->oem_table_id }; + + acpi_table_begin(&table, table_data); + + build_append_int_noprefix(table_data, 0x0, 4); /* Reserved */ + + /* Time Base Frequency */ + build_append_int_noprefix(table_data, + RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, 8); + + /* ISA + N hart info */ + num_rhct_nodes =3D 1 + ms->smp.cpus; + + /* Number of RHCT nodes*/ + build_append_int_noprefix(table_data, num_rhct_nodes, 4); + + /* Offset to the RHCT node array */ + build_append_int_noprefix(table_data, RHCT_NODE_ARRAY_OFFSET, 4); + + /* ISA String Node */ + isa_offset =3D table_data->len - table.table_offset; + build_append_int_noprefix(table_data, 0, 2); /* Type 0 */ + + cpu =3D &s->soc[0].harts[0]; + isa =3D riscv_isa_string(cpu); + len =3D 8 + strlen(isa) + 1; + aligned_len =3D (len % 2) ? (len + 1) : len; + + build_append_int_noprefix(table_data, aligned_len, 2); /* Length */ + build_append_int_noprefix(table_data, 0x1, 2); /* Revision */ + + /* ISA string length including NUL */ + build_append_int_noprefix(table_data, strlen(isa) + 1, 2); + g_array_append_vals(table_data, isa, strlen(isa) + 1); /* ISA string= */ + + if (aligned_len !=3D len) { + build_append_int_noprefix(table_data, 0x0, 1); /* Optional Paddi= ng */ + } + + /* Hart Info Node */ + for (int i =3D 0; i < arch_ids->len; i++) { + build_append_int_noprefix(table_data, 0xFFFF, 2); /* Type */ + build_append_int_noprefix(table_data, 16, 2); /* Length */ + build_append_int_noprefix(table_data, 0x1, 2); /* Revision */ + build_append_int_noprefix(table_data, 1, 2); /* Number of offse= ts */ + build_append_int_noprefix(table_data, i, 4); /* ACPI Processor = UID */ + build_append_int_noprefix(table_data, isa_offset, 4); /* Offsets[0= ] */ + } + + acpi_table_end(linker, &table); +} + /* FADT */ static void build_fadt_rev6(GArray *table_data, BIOSLinker *linker, @@ -215,6 +290,9 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuil= dTables *tables) acpi_add_table(table_offsets, tables_blob); build_madt(tables_blob, tables->linker, s); =20 + acpi_add_table(table_offsets, tables_blob); + build_rhct(tables_blob, tables->linker, s); + /* XSDT is pointed to by RSDP */ xsdt =3D tables_blob->len; build_xsdt(tables_blob, tables->linker, table_offsets, s->oem_id, --=20 2.34.1 From nobody Mon May 6 12:02:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=1677748417; cv=none; d=zohomail.com; s=zohoarc; b=ZReLtk4LV2SHnMeFdG16G7Stw3htNw7tg1tRtqM9YeYo66QUgsxMuS4pE0i8Q2L8rQpaEmWUIWNS6CKKsnA/3HGsu8y+Gp5ckRVazNDYi5B/G9IY3wfs4I667TrLmllhXNz07Z7IgXPkXhl6vTLY0KETIj7/50VJaEue+HCVGO0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1677748417; h=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; 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Signed-off-by: Sunil V L Reviewed-by: Bin Meng Reviewed-by: Andrew Jones --- hw/riscv/virt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 9b85d5b747..8329c477a7 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1316,6 +1316,10 @@ static void virt_machine_done(Notifier *notifier, vo= id *data) if (kvm_enabled()) { riscv_setup_direct_kernel(kernel_entry, fdt_load_addr); } + + if (virt_is_acpi_enabled(s)) { + virt_acpi_setup(s); + } } =20 static void virt_machine_init(MachineState *machine) --=20 2.34.1 From nobody Mon May 6 12:02:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=1677748466; cv=none; d=zohomail.com; s=zohoarc; b=IIRcf1HLEqSdJ+AnKFjLJ5hMPwEjOr0eYxQ6CFgOPdY+Y4G9TlK4VKDpMabJBpj0bJy0bqB5/6VRYL0jEwXD1SSVkdq47mFzDutcpfadtS9zxQG9kwmyHyMGnCmVUG2K9WikZcsLc0ZFKirGYU7I6nqzczupTk2FwJdKaCVx4VQ= ARC-Message-Signature: i=1; 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Thu, 02 Mar 2023 01:12:56 -0800 (PST) From: Sunil V L To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Andrew Jones , Anup Patel , Atish Kumar Patra , Igor Mammedov , Sunil V L , Bin Meng Subject: [PATCH V5 8/8] MAINTAINERS: Add entry for RISC-V ACPI Date: Thu, 2 Mar 2023 14:42:12 +0530 Message-Id: <20230302091212.999767-9-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230302091212.999767-1-sunilvl@ventanamicro.com> References: <20230302091212.999767-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::62e; envelope-from=sunilvl@ventanamicro.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1677748468505100003 Content-Type: text/plain; charset="utf-8" RISC-V ACPI related functionality for virt machine is added in virt-acpi-build.c. Add the maintainer entry after moving the ARM ACPI entry under the main ACPI entry. Signed-off-by: Sunil V L Reviewed-by: Bin Meng Acked-by: Alistair Francis Reviewed-by: Andrew Jones --- MAINTAINERS | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index e96e9dbfe6..3b840fa700 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -999,12 +999,6 @@ S: Maintained F: hw/ssi/xlnx-versal-ospi.c F: include/hw/ssi/xlnx-versal-ospi.h =20 -ARM ACPI Subsystem -M: Shannon Zhao -L: qemu-arm@nongnu.org -S: Maintained -F: hw/arm/virt-acpi-build.c - STM32F100 M: Alexandre Iooss L: qemu-arm@nongnu.org @@ -1892,6 +1886,18 @@ F: docs/specs/acpi_nvdimm.rst F: docs/specs/acpi_pci_hotplug.rst F: docs/specs/acpi_hw_reduced_hotplug.rst =20 +ARM ACPI Subsystem +M: Shannon Zhao +L: qemu-arm@nongnu.org +S: Maintained +F: hw/arm/virt-acpi-build.c + +RISC-V ACPI Subsystem +M: Sunil V L +L: qemu-riscv@nongnu.org +S: Maintained +F: hw/riscv/virt-acpi-build.c + ACPI/VIOT M: Jean-Philippe Brucker S: Supported --=20 2.34.1