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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1035; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x1035.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313702066100003 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 Acked-by: Alistair Francis Reviewed-by: Bin Meng --- hw/riscv/virt.c | 4 ++++ include/hw/riscv/virt.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index a061151a6f..7ad9fda20c 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 @@ -1512,6 +1513,9 @@ static void virt_machine_init(MachineState *machine) } virt_flash_map(s, system_memory); =20 + s->oem_id =3D g_strndup(ACPI_BUILD_APPNAME6, 6); + s->oem_table_id =3D g_strndup(ACPI_BUILD_APPNAME8, 8); + /* create device tree */ create_fdt(s, memmap); =20 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 2.38.0 From nobody Wed Apr 24 22:40:11 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1675313625; cv=none; d=zohomail.com; s=zohoarc; b=e1g/tKvJ+RglGOtXLKxO06bftcX/x9+dWROvosFk2hmTLTbDDomiB6bUTDB2kMpMCrGM3Ote8QV/6xSm/FJ/7/Z4jCBhCNRdH08Q2Wc6erQhFlNoygQt/qV2dXVxIw0+H5vpeiMPKmbn/j+dEJfw/o6qJ11pCKdbhx5jRwm1590= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1675313625; 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=psDfltxj5Ers806tup7ZzDpU09NdsTTfAuvz4bp4HA0=; b=kaNbU8a+SsVdPtkpQi9efXkzVOBZYZVNHwBL8wDSECfTPWZHhcpyW4kwsySjLBbUx+TQwswMWXkIOXDClEwmZpgIOMhPK4g8QnsgjPCFYE3hnu6MjPe3TvfT/r3aKi0DcGyJlThr7l8ejkMiAezEIUAVNKDRk4AwStzkMmpAcL0= ARC-Authentication-Results: i=1; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102c; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x102c.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313627822100003 Content-Type: text/plain; charset="utf-8" ACPI is optional. So, add a switch to toggle. Signed-off-by: Sunil V L --- hw/riscv/virt.c | 38 ++++++++++++++++++++++++++++++++++++++ include/hw/riscv/virt.h | 2 ++ 2 files changed, 40 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 7ad9fda20c..84962962ff 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 @@ -1525,6 +1526,10 @@ static void virt_machine_init(MachineState *machine) =20 static void virt_machine_instance_init(Object *obj) { + MachineState *ms =3D MACHINE(obj); + RISCVVirtState *s =3D RISCV_VIRT_MACHINE(ms); + + s->acpi =3D ON_OFF_AUTO_OFF; } =20 static char *virt_get_aia_guests(Object *obj, Error **errp) @@ -1601,6 +1606,34 @@ static void virt_set_aclint(Object *obj, bool value,= Error **errp) s->have_aclint =3D value; } =20 +bool virt_is_acpi_enabled(RISCVVirtState *s) +{ + if (s->acpi =3D=3D ON_OFF_AUTO_OFF) { + return false; + } + return true; +} + +static void virt_get_acpi(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MachineState *ms =3D MACHINE(obj); + RISCVVirtState *s =3D RISCV_VIRT_MACHINE(ms); + + 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) +{ + MachineState *ms =3D MACHINE(obj); + RISCVVirtState *s =3D RISCV_VIRT_MACHINE(ms); + + visit_type_OnOffAuto(v, name, &s->acpi, errp); +} + static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *mach= ine, DeviceState *dev) { @@ -1672,6 +1705,11 @@ 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 2.38.0 From nobody Wed Apr 24 22:40:11 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; 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Wed, 01 Feb 2023 20:52:38 -0800 (PST) From: Sunil V L To: Palmer Dabbelt , Alistair Francis , Bin Meng Cc: qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Andrew Jones , Anup Patel , Atish Kumar Patra , Sunil V L Subject: [PATCH 03/10] hw/riscv/virt: Add memmap pointer to RiscVVirtState Date: Thu, 2 Feb 2023 10:22:16 +0530 Message-Id: <20230202045223.2594627-4-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20230202045223.2594627-1-sunilvl@ventanamicro.com> References: <20230202045223.2594627-1-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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102e; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x102e.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=unavailable 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313641825100001 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 Acked-by: Alistair Francis Reviewed-by: Bin Meng --- 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 84962962ff..26caea59ff 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1459,6 +1459,8 @@ 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 2.38.0 From nobody Wed Apr 24 22:40:11 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; 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Wed, 01 Feb 2023 20:52:41 -0800 (PST) From: Sunil V L To: Palmer Dabbelt , Alistair Francis , Bin Meng Cc: qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Andrew Jones , Anup Patel , Atish Kumar Patra , Sunil V L Subject: [PATCH 04/10] hw/riscv/virt: virt-acpi-build.c: Add basic ACPI tables Date: Thu, 2 Feb 2023 10:22:17 +0530 Message-Id: <20230202045223.2594627-5-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20230202045223.2594627-1-sunilvl@ventanamicro.com> References: <20230202045223.2594627-1-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+importer2=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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313675974100001 Content-Type: text/plain; charset="utf-8" Add few basic ACPI tables and DSDT with few devices in a new file virt-acpi-build.c. These are mostly leveraged from arm64. Signed-off-by: Sunil V L --- hw/riscv/virt-acpi-build.c | 292 +++++++++++++++++++++++++++++++++++++ include/hw/riscv/virt.h | 1 + 2 files changed, 293 insertions(+) create mode 100644 hw/riscv/virt-acpi-build.c diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c new file mode 100644 index 0000000000..0410b955bd --- /dev/null +++ b/hw/riscv/virt-acpi-build.c @@ -0,0 +1,292 @@ +/* + * 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/riscv/virt.h" +#include "hw/riscv/numa.h" +#include "hw/acpi/pci.h" +#include "hw/acpi/utils.h" +#include "sysemu/reset.h" +#include "hw/pci-host/gpex.h" +#include "qapi/error.h" +#include "migration/vmstate.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 +acpi_dsdt_add_cpus(Aml *scope, RISCVVirtState *vms) +{ + MachineState *ms =3D MACHINE(vms); + uint16_t i; + + + for (i =3D 0; i < ms->smp.cpus; i++) { + Aml *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(i))); + aml_append(scope, dev); + } +} + +static void +acpi_dsdt_add_fw_cfg(Aml *scope, const MemMapEntry *fw_cfg_memmap) +{ + 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 *vms, unsigned dsdt_tbl_offset) +{ + /* ACPI v5.1 */ + AcpiFadtData fadt =3D { + .rev =3D 6, + .minor_ver =3D 0, + .flags =3D 1 << ACPI_FADT_F_HW_REDUCED_ACPI, + .xdsdt_tbl_offset =3D &dsdt_tbl_offset, + }; + + build_fadt(table_data, linker, &fadt, vms->oem_id, vms->oem_table_id); +} + +/* DSDT */ +static void +build_dsdt(GArray *table_data, BIOSLinker *linker, RISCVVirtState *vms) +{ + Aml *scope, *dsdt; + const MemMapEntry *memmap =3D vms->memmap; + AcpiTable table =3D { .sig =3D "DSDT", .rev =3D 2, .oem_id =3D vms->oe= m_id, + .oem_table_id =3D vms->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, vms); + + 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 *vms, 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, vms); + + /* FADT and others pointed to by RSDT */ + acpi_add_table(table_offsets, tables_blob); + build_fadt_rev6(tables_blob, tables->linker, vms, dsdt); + + acpi_add_table(table_offsets, tables_blob); + build_madt(tables_blob, tables->linker, vms); + + acpi_add_table(table_offsets, tables_blob); + build_rhct(tables_blob, tables->linker, vms); + + /* XSDT is pointed to by RSDP */ + xsdt =3D tables_blob->len; + build_xsdt(tables_blob, tables->linker, table_offsets, vms->oem_id, + vms->oem_table_id); + + /* RSDP is in FSEG memory, so allocate it separately */ + { + AcpiRsdpData rsdp_data =3D { + .revision =3D 2, + .oem_id =3D vms->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 CPUs, NUMA nodes, memory slots" + " or PCI bridges."); + } + acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); + + + /* Cleanup 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 *vms) +{ + AcpiBuildTables tables; + AcpiBuildState *build_state; + + build_state =3D g_malloc0(sizeof *build_state); + + acpi_build_tables_init(&tables); + virt_acpi_build(vms, &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); + + /* + * Cleanup 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x102a.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313622209100001 Content-Type: text/plain; charset="utf-8" Add Multiple APIC Description Table (MADT) with the INTC structure for each cpu. Signed-off-by: Sunil V L Acked-by: Alistair Francis --- hw/riscv/virt-acpi-build.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 0410b955bd..2f65f1e2e5 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -137,6 +137,43 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, RIS= CVVirtState *vms) free_aml_allocator(); } =20 +/* MADT */ +static void +build_madt(GArray *table_data, BIOSLinker *linker, RISCVVirtState *vms) +{ + MachineState *mc =3D MACHINE(vms); + int socket; + uint16_t base_hartid =3D 0; + uint32_t cpu_id =3D 0; + + AcpiTable table =3D { .sig =3D "APIC", .rev =3D 6, .oem_id =3D vms->oe= m_id, + .oem_table_id =3D vms->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 (socket =3D 0; socket < riscv_socket_count(mc); socket++) { + base_hartid =3D riscv_socket_first_hartid(mc, socket); + + for (int i =3D 0; i < vms->soc[socket].num_harts; i++) { + build_append_int_noprefix(table_data, 0x18, 1); /* Type = */ + build_append_int_noprefix(table_data, 20, 1); /* Length = */ + build_append_int_noprefix(table_data, 1, 1); /* Version = */ + build_append_int_noprefix(table_data, 0, 1); /* Reserved= */ + build_append_int_noprefix(table_data, 1, 4); /* Flags = */ + build_append_int_noprefix(table_data, + (base_hartid + i), 8); /* hartid = */ + build_append_int_noprefix(table_data, cpu_id, 4); /* ACPI ID = */ + cpu_id++; + } + } + + acpi_table_end(linker, &table); +} + static void virt_acpi_build(RISCVVirtState *vms, AcpiBuildTables *tables) { --=20 2.38.0 From nobody Wed Apr 24 22:40:12 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; 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Wed, 01 Feb 2023 20:52:47 -0800 (PST) From: Sunil V L To: Palmer Dabbelt , Alistair Francis , Bin Meng Cc: qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Andrew Jones , Anup Patel , Atish Kumar Patra , Sunil V L Subject: [PATCH 06/10] hw/riscv/virt: virt-acpi-build.c: Add RHCT Table Date: Thu, 2 Feb 2023 10:22:19 +0530 Message-Id: <20230202045223.2594627-7-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20230202045223.2594627-1-sunilvl@ventanamicro.com> References: <20230202045223.2594627-1-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+importer2=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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313643850100005 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 --- hw/riscv/virt-acpi-build.c | 62 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 2f65f1e2e5..b04f179cb5 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -35,6 +35,7 @@ #include "hw/pci-host/gpex.h" #include "qapi/error.h" #include "migration/vmstate.h" +#include "hw/intc/riscv_aclint.h" =20 #define ACPI_BUILD_TABLE_SIZE 0x20000 =20 @@ -88,6 +89,67 @@ acpi_dsdt_add_fw_cfg(Aml *scope, const MemMapEntry *fw_c= fg_memmap) aml_append(scope, dev); } =20 +#define RHCT_NODE_ARRAY_OFFSET 56 +static void +build_rhct(GArray *table_data, BIOSLinker *linker, RISCVVirtState *vms) +{ + MachineState *ms =3D MACHINE(vms); + uint32_t acpi_proc_id =3D 0; + int i, socket; + RISCVCPU *cpu; + char *isa; + size_t len, aligned_len; + uint32_t isa_offset, num_rhct_nodes; + + AcpiTable table =3D { .sig =3D "RHCT", .rev =3D 1, .oem_id =3D vms->oe= m_id, + .oem_table_id =3D vms->oem_table_id }; + + acpi_table_begin(&table, table_data); + + build_append_int_noprefix(table_data, 0x0, 4); /* Reserved */ + build_append_int_noprefix(table_data, + RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, 8); + + /* ISA + N hart info */ + num_rhct_nodes =3D 1 + ms->smp.cpus; + build_append_int_noprefix(table_data, num_rhct_nodes, 4); + 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 &vms->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); /* Total leng= th */ + 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); /* pad */ + } + + for (socket =3D 0; socket < riscv_socket_count(ms); socket++) { + for (i =3D 0; i < vms->soc[socket].num_harts; 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 offs= ets */ + build_append_int_noprefix(table_data, acpi_proc_id, 4); /* UID= */ + build_append_int_noprefix(table_data, isa_offset, 4); + acpi_proc_id++; + } + } + + acpi_table_end(linker, &table); +} + /* FADT */ static void build_fadt_rev6(GArray *table_data, BIOSLinker *linker, --=20 2.38.0 From nobody Wed Apr 24 22:40:12 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1675313621; cv=none; d=zohomail.com; s=zohoarc; b=degbISz/muARhUUbqd7imaRmWMfL9taQe1pv010eDq6LayoOIQhQqbXX0PU1Bpd80JHMueUlqmqjUto25VKPOZSNQxqv6h/QZ32a6sNXxgBd1MrEtmMIFQ6rFxP+FXTf/oRvoZjti/7FI85uSDwEpCXYYMqJV0Mqx04QEIZ8EzY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1675313621; 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=+y+HqzRrl7TJ/ysQrK68jIu5s7bSfbhBZtrr7+F62XE=; b=djN9NJZBZ695rXsSiYOoXoTg/SULjK2MCFUhPif6lzMcSstaUQNxUR72EBw66Bw/SKu4vkW6vL3+nyHbx8vG4Vb0gds0Y893q+BJE7mVUJN2GC2lFejZ2uhxMQI6GE7VEQNre+aJ3Z++e2kUXMz1I4K4r6gbRLbZZ/xeOw84D1g= ARC-Authentication-Results: i=1; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1036; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x1036.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313622214100002 Content-Type: text/plain; charset="utf-8" ACPI functions are defined in new file virt-acpi-build.c. Enable it to be built as part of virt machine if CONFIG_ACPI is set. Signed-off-by: Sunil V L Reviewed-by: Bin Meng --- hw/riscv/meson.build | 1 + 1 file changed, 1 insertion(+) 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} --=20 2.38.0 From nobody Wed Apr 24 22:40:12 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1675313684; 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Wed, 01 Feb 2023 20:52:53 -0800 (PST) From: Sunil V L To: Palmer Dabbelt , Alistair Francis , Bin Meng Cc: qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Andrew Jones , Anup Patel , Atish Kumar Patra , Sunil V L Subject: [PATCH 08/10] hw/riscv/Kconfig: virt: Enable ACPI config options Date: Thu, 2 Feb 2023 10:22:21 +0530 Message-Id: <20230202045223.2594627-9-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20230202045223.2594627-1-sunilvl@ventanamicro.com> References: <20230202045223.2594627-1-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+importer2=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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313686040100001 Content-Type: text/plain; charset="utf-8" Enable ACPI related config options to build ACPI subsystem for virt machine. Signed-off-by: Sunil V L --- hw/riscv/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 4550b3b938..92b1a9eb64 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -44,6 +44,9 @@ config RISCV_VIRT select VIRTIO_MMIO select FW_CFG_DMA select PLATFORM_BUS + select ACPI + select ACPI_HW_REDUCED + select ACPI_PCI =20 config SHAKTI_C bool --=20 2.38.0 From nobody Wed Apr 24 22:40:12 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1675313631; cv=none; d=zohomail.com; s=zohoarc; b=QKHHCD1580Et8WuAqhCtmQh4mwJlvNK0rU7EsRFtqoRNd2NpLmFdr+VRywZzoF9B91ZHSekoQZw0+HfiUTdaOAZae2RbVGDT2o5lfCunAxWIFNgl+C8RDVWTuzghxM6t0gyf5u9gs3XRLzoY7DhDBv3rQhbir71sQ+Hf5i2fyWM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=sunilvl@ventanamicro.com; helo=mail-pj1-x102a.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313633756100007 Content-Type: text/plain; charset="utf-8" When the "acpi=3Don", ACPI tables need to be added. Detect the option and initialize the ACPI tables. Signed-off-by: Sunil V L Reviewed-by: Bin Meng --- hw/riscv/virt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 26caea59ff..f1f5612c69 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1324,6 +1324,10 @@ 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 2.38.0 From nobody Wed Apr 24 22:40:12 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1675313629; cv=none; d=zohomail.com; s=zohoarc; b=HKWo+TMkyxSYr3P16+6/T36OhRwaBweUqFLyK4Lk9vmEG9MHnRnEKaoJ8TTc1OW4ov41yrx3aQboH0IflJ4duyOtQ04l5GTieqqZvKUKkC3NAFWL74y0XClPQOvubEAixpgWArAOpA9t1pZGmfO4jmqRw49LSiDL8PIYJii9RLc= ARC-Message-Signature: i=1; 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Wed, 01 Feb 2023 20:52:58 -0800 (PST) From: Sunil V L To: Palmer Dabbelt , Alistair Francis , Bin Meng Cc: qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Andrew Jones , Anup Patel , Atish Kumar Patra , Sunil V L Subject: [PATCH 10/10] MAINTAINERS: Add entry for RISC-V ACPI Date: Thu, 2 Feb 2023 10:22:23 +0530 Message-Id: <20230202045223.2594627-11-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20230202045223.2594627-1-sunilvl@ventanamicro.com> References: <20230202045223.2594627-1-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+importer2=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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1675313631785100003 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. Signed-off-by: Sunil V L Reviewed-by: Alistair Francis Reviewed-by: Bin Meng --- MAINTAINERS | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index c581c11a64..23fcaaf54a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -995,6 +995,12 @@ L: qemu-arm@nongnu.org S: Maintained F: hw/arm/virt-acpi-build.c =20 +RISC-V ACPI Subsystem +M: Sunil V L +L: qemu-riscv@nongnu.org +S: Maintained +F: hw/riscv/virt-acpi-build.c + STM32F100 M: Alexandre Iooss L: qemu-arm@nongnu.org --=20 2.38.0