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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org Subject: [PATCH v2 01/12] MAINTAINERS: Add docs/system/arm/xenpvh.rst Date: Tue, 20 Aug 2024 16:29:38 +0200 Message-ID: <20240820142949.533381-2-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164224598116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Signed-off-by: Edgar E. 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org Subject: [PATCH v2 02/12] hw/arm: xenpvh: Update file header to use SPDX Date: Tue, 20 Aug 2024 16:29:39 +0200 Message-ID: <20240820142949.533381-3-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164224606116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Update file header to use SPDX and remove stray empty comment line. No functional changes. Signed-off-by: Edgar E. Iglesias Acked-by: Stefano Stabellini --- hw/arm/xen_arm.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c index 6fad829ede..766a194fa1 100644 --- a/hw/arm/xen_arm.c +++ b/hw/arm/xen_arm.c @@ -1,24 +1,7 @@ /* * QEMU ARM Xen PVH Machine * - * - * Permission is hereby granted, free of charge, to any person obtaining a= copy - * of this software and associated documentation files (the "Software"), t= o deal - * in the Software without restriction, including without limitation the r= ights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or se= ll - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included= in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS= OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org Subject: [PATCH v2 03/12] hw/arm: xenpvh: Tweak machine description Date: Tue, 20 Aug 2024 16:29:40 +0200 Message-ID: <20240820142949.533381-4-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164226595116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Tweak machine description to better express that this is a Xen PVH machine for ARM. Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/arm/xen_arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c index 766a194fa1..5f75cc3779 100644 --- a/hw/arm/xen_arm.c +++ b/hw/arm/xen_arm.c @@ -216,7 +216,7 @@ static void xen_arm_machine_class_init(ObjectClass *oc,= void *data) { =20 MachineClass *mc =3D MACHINE_CLASS(oc); - mc->desc =3D "Xen Para-virtualized PC"; + mc->desc =3D "Xen PVH ARM machine"; mc->init =3D xen_arm_init; mc->max_cpus =3D 1; mc->default_machine_opts =3D "accel=3Dxen"; --=20 2.43.0 From nobody Sun Nov 24 09:56:22 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1724164226; cv=none; d=zohomail.com; s=zohoarc; b=oLBqQSuOpeahGWpVmLo+QmKesepnuisPvBn3OkqNDx6NmB49dFl79puZLevyCmS1DbGpRIFX0EraH+DWeGX3AgDvg9O6DSQrAywBJ+MwRIVlyZ7KrHqgTYo48H0AVGI6y6GIkZDwFVd6cVb7tI43MGfuEK2GygSvgTijHUrYo4g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1724164226; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=j3FilNtR3ylHjSgCwXgc1/4kLFqGR/asrW9olruIp6U=; b=aRLNkqNakNB+WDZW7ukyI+3t6YakopzE3dNkBDL9BEHUcWAuP6Tovsx0FFzyn3mn1x4LY6pZQ62rKOYssa0HVwJRySrVhiKEyKwZdf4Xdaucf/6anL3puk/tZW/fBjUU3VMo2HSNNxkvZmgLVyHP+0hgHvDiE4KNK3Xgk1YzXBE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 17241642263773.97108784642262; Tue, 20 Aug 2024 07:30:26 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.780532.1190192 (Exim 4.92) (envelope-from ) id 1sgPs2-0001Y0-0l; Tue, 20 Aug 2024 14:30:02 +0000 Received: by outflank-mailman (output) from mailman id 780532.1190192; Tue, 20 Aug 2024 14:30:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sgPs1-0001Xr-TV; Tue, 20 Aug 2024 14:30:01 +0000 Received: by outflank-mailman (input) for mailman id 780532; Tue, 20 Aug 2024 14:30:00 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sgPs0-0000aG-SY for xen-devel@lists.xenproject.org; Tue, 20 Aug 2024 14:30:00 +0000 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [2a00:1450:4864:20::130]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id adb5a1ec-5f00-11ef-8776-851b0ebba9a2; Tue, 20 Aug 2024 16:29:59 +0200 (CEST) Received: by mail-lf1-x130.google.com with SMTP id 2adb3069b0e04-5333b2fbedaso2793478e87.0 for ; Tue, 20 Aug 2024 07:29:59 -0700 (PDT) Received: from gmail.com (213-67-3-247-no600.tbcn.telia.com. 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org Subject: [PATCH v2 04/12] hw/arm: xenpvh: Add support for SMP guests Date: Tue, 20 Aug 2024 16:29:41 +0200 Message-ID: <20240820142949.533381-5-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164226608116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Add SMP support for Xen PVH ARM guests. Create ms->smp.max_cpus ioreq servers to handle hotplug. Note that ms->smp.max_cpus will be passed to us by the user (Xen tools) set to the guests maxvcpus. The value in mc->max_cpus is an absolute maximum for the -smp option and won't be used to setup ioreq servers unless the user explicitly specifies it with -smp. If the user doesn't pass -smp on the command-line, smp.cpus and smp.max_cpus will default to 1. Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/arm/xen_arm.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c index 5f75cc3779..fda65d0d8d 100644 --- a/hw/arm/xen_arm.c +++ b/hw/arm/xen_arm.c @@ -173,7 +173,7 @@ static void xen_arm_init(MachineState *machine) =20 xen_init_ram(machine); =20 - xen_register_ioreq(xam->state, machine->smp.cpus, &xen_memory_listener= ); + xen_register_ioreq(xam->state, machine->smp.max_cpus, &xen_memory_list= ener); =20 xen_create_virtio_mmio_devices(xam); =20 @@ -218,7 +218,26 @@ static void xen_arm_machine_class_init(ObjectClass *oc= , void *data) MachineClass *mc =3D MACHINE_CLASS(oc); mc->desc =3D "Xen PVH ARM machine"; mc->init =3D xen_arm_init; - mc->max_cpus =3D 1; + + /* + * mc->max_cpus holds the MAX value allowed in the -smp command-line o= pts. + * + * 1. If users don't pass any -smp option: + * ms->smp.cpus will default to 1. + * ms->smp.max_cpus will default to 1. + * + * 2. If users pass -smp X: + * ms->smp.cpus will be set to X. + * ms->smp.max_cpus will also be set to X. + * + * 3. 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org Subject: [PATCH v2 05/12] hw/arm: xenpvh: Remove double-negation in warning Date: Tue, 20 Aug 2024 16:29:42 +0200 Message-ID: <20240820142949.533381-6-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164226594116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/arm/xen_arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c index fda65d0d8d..16b3f00992 100644 --- a/hw/arm/xen_arm.c +++ b/hw/arm/xen_arm.c @@ -165,7 +165,7 @@ static void xen_arm_init(MachineState *machine) xam->state =3D g_new0(XenIOState, 1); =20 if (machine->ram_size =3D=3D 0) { - warn_report("%s non-zero ram size not specified. QEMU machine star= ted" + warn_report("%s: ram size not specified. 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org Subject: [PATCH v2 06/12] hw/arm: xenpvh: Move stubbed functions to xen-stubs.c Date: Tue, 20 Aug 2024 16:29:43 +0200 Message-ID: <20240820142949.533381-7-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164226607116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/arm/meson.build | 5 ++++- hw/arm/xen-stubs.c | 32 ++++++++++++++++++++++++++++++++ hw/arm/xen_arm.c | 20 -------------------- 3 files changed, 36 insertions(+), 21 deletions(-) create mode 100644 hw/arm/xen-stubs.c diff --git a/hw/arm/meson.build b/hw/arm/meson.build index 0c07ab522f..074612b40c 100644 --- a/hw/arm/meson.build +++ b/hw/arm/meson.build @@ -59,7 +59,10 @@ arm_ss.add(when: 'CONFIG_FSL_IMX7', if_true: files('fsl-= imx7.c', 'mcimx7d-sabre. arm_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmuv3.c')) arm_ss.add(when: 'CONFIG_FSL_IMX6UL', if_true: files('fsl-imx6ul.c', 'mcim= x6ul-evk.c')) arm_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_soc.c')) -arm_ss.add(when: 'CONFIG_XEN', if_true: files('xen_arm.c')) +arm_ss.add(when: 'CONFIG_XEN', if_true: files( + 'xen-stubs.c', + 'xen_arm.c', +)) =20 system_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmu-common.c')) system_ss.add(when: 'CONFIG_CHEETAH', if_true: files('palm.c')) diff --git a/hw/arm/xen-stubs.c b/hw/arm/xen-stubs.c new file mode 100644 index 0000000000..4ac6a56a96 --- /dev/null +++ b/hw/arm/xen-stubs.c @@ -0,0 +1,32 @@ +/* + * Stubs for unimplemented Xen functions for ARM. + * + * SPDX-License-Identifier: MIT + */ + +#include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "qapi/qapi-commands-migration.h" +#include "hw/boards.h" +#include "sysemu/sysemu.h" +#include "hw/xen/xen-hvm-common.h" +#include "hw/xen/arch_hvm.h" + +void arch_handle_ioreq(XenIOState *state, ioreq_t *req) +{ + hw_error("Invalid ioreq type 0x%x\n", req->type); + return; +} + +void arch_xen_set_memory(XenIOState *state, MemoryRegionSection *section, + bool add) +{ +} + +void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) +{ +} + +void qmp_xen_set_global_dirty_log(bool enable, Error **errp) +{ +} diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c index 16b3f00992..f0868e7be5 100644 --- a/hw/arm/xen_arm.c +++ b/hw/arm/xen_arm.c @@ -115,26 +115,6 @@ static void xen_init_ram(MachineState *machine) memory_region_add_subregion(sysmem, XEN_GRANT_ADDR_OFF, &xen_grants); } =20 -void arch_handle_ioreq(XenIOState *state, ioreq_t *req) -{ - hw_error("Invalid ioreq type 0x%x\n", req->type); - - return; -} - -void arch_xen_set_memory(XenIOState *state, MemoryRegionSection *section, - bool add) -{ -} - -void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) -{ -} - -void qmp_xen_set_global_dirty_log(bool enable, Error **errp) -{ -} - #ifdef CONFIG_TPM static void xen_enable_tpm(XenArmState *xam) { --=20 2.43.0 From nobody Sun Nov 24 09:56:22 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, "Edgar E. Iglesias" , qemu-arm@nongnu.org Subject: [PATCH v2 07/12] hw/arm: xenpvh: Break out a common PVH machine Date: Tue, 20 Aug 2024 16:29:44 +0200 Message-ID: <20240820142949.533381-8-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164236775116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Break out a common Xen PVH machine in preparation for adding a x86 Xen PVH machine. Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/arm/trace-events | 5 - hw/arm/xen_arm.c | 198 +++-------------------- hw/xen/meson.build | 1 + hw/xen/trace-events | 4 + hw/xen/xen-pvh-common.c | 275 ++++++++++++++++++++++++++++++++ include/hw/xen/xen-pvh-common.h | 59 +++++++ 6 files changed, 358 insertions(+), 184 deletions(-) create mode 100644 hw/xen/xen-pvh-common.c create mode 100644 include/hw/xen/xen-pvh-common.h diff --git a/hw/arm/trace-events b/hw/arm/trace-events index be6c8f720b..c64ad344bd 100644 --- a/hw/arm/trace-events +++ b/hw/arm/trace-events @@ -68,10 +68,5 @@ z2_aer915_send_too_long(int8_t msg) "message too long (%= i bytes)" z2_aer915_send(uint8_t reg, uint8_t value) "reg %d value 0x%02x" z2_aer915_event(int8_t event, int8_t len) "i2c event =3D0x%x len=3D%d byte= s" =20 -# xen_arm.c -xen_create_virtio_mmio_devices(int i, int irq, uint64_t base) "Created vir= tio-mmio device %d: irq %d base 0x%"PRIx64 -xen_init_ram(uint64_t machine_ram_size) "Initialized xen ram with size 0x%= "PRIx64 -xen_enable_tpm(uint64_t addr) "Connected tpmdev at address 0x%"PRIx64 - # bcm2838.c bcm2838_gic_set_irq(int irq, int level) "gic irq:%d lvl:%d" diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c index f0868e7be5..04cb9855af 100644 --- a/hw/arm/xen_arm.c +++ b/hw/arm/xen_arm.c @@ -7,44 +7,12 @@ #include "qemu/osdep.h" #include "qemu/error-report.h" #include "qapi/qapi-commands-migration.h" -#include "qapi/visitor.h" #include "hw/boards.h" -#include "hw/irq.h" -#include "hw/sysbus.h" -#include "sysemu/block-backend.h" -#include "sysemu/tpm_backend.h" #include "sysemu/sysemu.h" -#include "hw/xen/xen-hvm-common.h" -#include "sysemu/tpm.h" +#include "hw/xen/xen-pvh-common.h" #include "hw/xen/arch_hvm.h" -#include "trace.h" =20 #define TYPE_XEN_ARM MACHINE_TYPE_NAME("xenpvh") -OBJECT_DECLARE_SIMPLE_TYPE(XenArmState, XEN_ARM) - -static const MemoryListener xen_memory_listener =3D { - .region_add =3D xen_region_add, - .region_del =3D xen_region_del, - .log_start =3D NULL, - .log_stop =3D NULL, - .log_sync =3D NULL, - .log_global_start =3D NULL, - .log_global_stop =3D NULL, - .priority =3D MEMORY_LISTENER_PRIORITY_ACCEL, -}; - -struct XenArmState { - /*< private >*/ - MachineState parent; - - XenIOState *state; - - struct { - uint64_t tpm_base_addr; - } cfg; -}; - -static MemoryRegion ram_lo, ram_hi; =20 /* * VIRTIO_MMIO_DEV_SIZE is imported from tools/libs/light/libxl_arm.c unde= r Xen @@ -57,147 +25,26 @@ static MemoryRegion ram_lo, ram_hi; #define NR_VIRTIO_MMIO_DEVICES \ (GUEST_VIRTIO_MMIO_SPI_LAST - GUEST_VIRTIO_MMIO_SPI_FIRST) =20 -static void xen_set_irq(void *opaque, int irq, int level) -{ - if (xendevicemodel_set_irq_level(xen_dmod, xen_domid, irq, level)) { - error_report("xendevicemodel_set_irq_level failed"); - } -} - -static void xen_create_virtio_mmio_devices(XenArmState *xam) -{ - int i; - - for (i =3D 0; i < NR_VIRTIO_MMIO_DEVICES; i++) { - hwaddr base =3D GUEST_VIRTIO_MMIO_BASE + i * VIRTIO_MMIO_DEV_SIZE; - qemu_irq irq =3D qemu_allocate_irq(xen_set_irq, NULL, - GUEST_VIRTIO_MMIO_SPI_FIRST + i); - - sysbus_create_simple("virtio-mmio", base, irq); - - trace_xen_create_virtio_mmio_devices(i, - GUEST_VIRTIO_MMIO_SPI_FIRST += i, - base); - } -} - -static void xen_init_ram(MachineState *machine) +static void xen_arm_instance_init(Object *obj) { - MemoryRegion *sysmem =3D get_system_memory(); - ram_addr_t block_len, ram_size[GUEST_RAM_BANKS]; - - trace_xen_init_ram(machine->ram_size); - if (machine->ram_size <=3D GUEST_RAM0_SIZE) { - ram_size[0] =3D machine->ram_size; - ram_size[1] =3D 0; - block_len =3D GUEST_RAM0_BASE + ram_size[0]; - } else { - ram_size[0] =3D GUEST_RAM0_SIZE; - ram_size[1] =3D machine->ram_size - GUEST_RAM0_SIZE; - block_len =3D GUEST_RAM1_BASE + ram_size[1]; - } + XenPVHMachineState *s =3D XEN_PVH_MACHINE(obj); =20 - memory_region_init_ram(&xen_memory, NULL, "xen.ram", block_len, - &error_fatal); + /* Default values. */ + s->cfg.ram_low =3D (MemMapEntry) { GUEST_RAM0_BASE, GUEST_RAM0_SIZE }; + s->cfg.ram_high =3D (MemMapEntry) { GUEST_RAM1_BASE, GUEST_RAM1_SIZE }; =20 - memory_region_init_alias(&ram_lo, NULL, "xen.ram.lo", &xen_memory, - GUEST_RAM0_BASE, ram_size[0]); - memory_region_add_subregion(sysmem, GUEST_RAM0_BASE, &ram_lo); - if (ram_size[1] > 0) { - memory_region_init_alias(&ram_hi, NULL, "xen.ram.hi", &xen_memory, - GUEST_RAM1_BASE, ram_size[1]); - memory_region_add_subregion(sysmem, GUEST_RAM1_BASE, &ram_hi); - } - - /* Setup support for grants. */ - memory_region_init_ram(&xen_grants, NULL, "xen.grants", block_len, - &error_fatal); - memory_region_add_subregion(sysmem, XEN_GRANT_ADDR_OFF, &xen_grants); + s->cfg.virtio_mmio_num =3D NR_VIRTIO_MMIO_DEVICES; + s->cfg.virtio_mmio_irq_base =3D GUEST_VIRTIO_MMIO_SPI_FIRST; + s->cfg.virtio_mmio =3D (MemMapEntry) { GUEST_VIRTIO_MMIO_BASE, + VIRTIO_MMIO_DEV_SIZE }; } =20 -#ifdef CONFIG_TPM -static void xen_enable_tpm(XenArmState *xam) -{ - Error *errp =3D NULL; - DeviceState *dev; - SysBusDevice *busdev; - - TPMBackend *be =3D qemu_find_tpm_be("tpm0"); - if (be =3D=3D NULL) { - error_report("Couldn't find tmp0 backend"); - return; - } - dev =3D qdev_new(TYPE_TPM_TIS_SYSBUS); - object_property_set_link(OBJECT(dev), "tpmdev", OBJECT(be), &errp); - object_property_set_str(OBJECT(dev), "tpmdev", be->id, &errp); - busdev =3D SYS_BUS_DEVICE(dev); - sysbus_realize_and_unref(busdev, &error_fatal); - sysbus_mmio_map(busdev, 0, xam->cfg.tpm_base_addr); - - trace_xen_enable_tpm(xam->cfg.tpm_base_addr); -} -#endif - -static void xen_arm_init(MachineState *machine) -{ - XenArmState *xam =3D XEN_ARM(machine); - - xam->state =3D g_new0(XenIOState, 1); - - if (machine->ram_size =3D=3D 0) { - warn_report("%s: ram size not specified. QEMU machine started" - " without IOREQ (no emulated devices including virtio)= ", - MACHINE_CLASS(object_get_class(OBJECT(machine)))->desc= ); - return; - } - - xen_init_ram(machine); - - xen_register_ioreq(xam->state, machine->smp.max_cpus, &xen_memory_list= ener); - - xen_create_virtio_mmio_devices(xam); - -#ifdef CONFIG_TPM - if (xam->cfg.tpm_base_addr) { - xen_enable_tpm(xam); - } else { - warn_report("tpm-base-addr is not provided. TPM will not be enable= d"); - } -#endif -} - -#ifdef CONFIG_TPM -static void xen_arm_get_tpm_base_addr(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - XenArmState *xam =3D XEN_ARM(obj); - uint64_t value =3D xam->cfg.tpm_base_addr; - - visit_type_uint64(v, name, &value, errp); -} - -static void xen_arm_set_tpm_base_addr(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - XenArmState *xam =3D XEN_ARM(obj); - uint64_t value; - - if (!visit_type_uint64(v, name, &value, errp)) { - return; - } - - xam->cfg.tpm_base_addr =3D value; -} -#endif - static void xen_arm_machine_class_init(ObjectClass *oc, void *data) { - + XenPVHMachineClass *xpc =3D XEN_PVH_MACHINE_CLASS(oc); MachineClass *mc =3D MACHINE_CLASS(oc); + mc->desc =3D "Xen PVH ARM machine"; - mc->init =3D xen_arm_init; =20 /* * mc->max_cpus holds the MAX value allowed in the -smp command-line o= pts. @@ -218,27 +65,20 @@ static void xen_arm_machine_class_init(ObjectClass *oc= , void *data) * mc->max_cpus, QEMU will bail out with an error message. */ mc->max_cpus =3D GUEST_MAX_VCPUS; - mc->default_machine_opts =3D "accel=3Dxen"; - /* Set explicitly here to make sure that real ram_size is passed */ - mc->default_ram_size =3D 0; =20 -#ifdef CONFIG_TPM - object_class_property_add(oc, "tpm-base-addr", "uint64_t", - xen_arm_get_tpm_base_addr, - xen_arm_set_tpm_base_addr, - NULL, NULL); - object_class_property_set_description(oc, "tpm-base-addr", - "Set Base address for TPM device= ."); + /* List of supported features known to work on PVH ARM. */ + xpc->has_tpm =3D true; + xpc->has_virtio_mmio =3D true; =20 - machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS); -#endif + xen_pvh_class_setup_common_props(xpc); } =20 static const TypeInfo xen_arm_machine_type =3D { .name =3D TYPE_XEN_ARM, - .parent =3D TYPE_MACHINE, + .parent =3D TYPE_XEN_PVH_MACHINE, .class_init =3D xen_arm_machine_class_init, - .instance_size =3D sizeof(XenArmState), + .instance_size =3D sizeof(XenPVHMachineState), + .instance_init =3D xen_arm_instance_init, }; =20 static void xen_arm_machine_register_types(void) diff --git a/hw/xen/meson.build b/hw/xen/meson.build index d887fa9ba4..4a486e3673 100644 --- a/hw/xen/meson.build +++ b/hw/xen/meson.build @@ -15,6 +15,7 @@ xen_specific_ss =3D ss.source_set() xen_specific_ss.add(files( 'xen-mapcache.c', 'xen-hvm-common.c', + 'xen-pvh-common.c', )) if have_xen_pci_passthrough xen_specific_ss.add(files( diff --git a/hw/xen/trace-events b/hw/xen/trace-events index d1b27f6c11..a07fe41c6d 100644 --- a/hw/xen/trace-events +++ b/hw/xen/trace-events @@ -64,6 +64,10 @@ destroy_hvm_domain_cannot_acquire_handle(void) "Cannot a= cquire xenctrl handle" destroy_hvm_domain_failed_action(const char *action, int sts, char *errno_= s) "xc_domain_shutdown failed to issue %s, sts %d, %s" destroy_hvm_domain_action(int xen_domid, const char *action) "Issued domai= n %d %s" =20 +# xen-pvh-common.c +xen_create_virtio_mmio_devices(int i, int irq, uint64_t base) "Created vir= tio-mmio device %d: irq %d base 0x%"PRIx64 +xen_enable_tpm(uint64_t addr) "Connected tpmdev at address 0x%"PRIx64 + # xen-mapcache.c xen_map_cache(uint64_t phys_addr) "want 0x%"PRIx64 xen_remap_bucket(uint64_t index) "index 0x%"PRIx64 diff --git a/hw/xen/xen-pvh-common.c b/hw/xen/xen-pvh-common.c new file mode 100644 index 0000000000..880e8143d7 --- /dev/null +++ b/hw/xen/xen-pvh-common.c @@ -0,0 +1,275 @@ +/* + * QEMU Xen PVH machine - common code. + * + * Copyright (c) 2024 Advanced Micro Devices, Inc. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "qapi/error.h" +#include "qapi/visitor.h" +#include "hw/boards.h" +#include "hw/irq.h" +#include "hw/sysbus.h" +#include "sysemu/sysemu.h" +#include "sysemu/tpm.h" +#include "sysemu/tpm_backend.h" +#include "hw/xen/xen-pvh-common.h" +#include "trace.h" + +static const MemoryListener xen_memory_listener =3D { + .region_add =3D xen_region_add, + .region_del =3D xen_region_del, + .log_start =3D NULL, + .log_stop =3D NULL, + .log_sync =3D NULL, + .log_global_start =3D NULL, + .log_global_stop =3D NULL, + .priority =3D MEMORY_LISTENER_PRIORITY_ACCEL, +}; + +static void xen_pvh_init_ram(XenPVHMachineState *s, + MemoryRegion *sysmem) +{ + MachineState *ms =3D MACHINE(s); + ram_addr_t block_len, ram_size[2]; + + if (ms->ram_size <=3D s->cfg.ram_low.size) { + ram_size[0] =3D ms->ram_size; + ram_size[1] =3D 0; + block_len =3D s->cfg.ram_low.base + ram_size[0]; + } else { + ram_size[0] =3D s->cfg.ram_low.size; + ram_size[1] =3D ms->ram_size - s->cfg.ram_low.size; + block_len =3D s->cfg.ram_high.base + ram_size[1]; + } + + memory_region_init_ram(&xen_memory, NULL, "xen.ram", block_len, + &error_fatal); + + memory_region_init_alias(&s->ram.low, NULL, "xen.ram.lo", &xen_memory, + s->cfg.ram_low.base, ram_size[0]); + memory_region_add_subregion(sysmem, s->cfg.ram_low.base, &s->ram.low); + if (ram_size[1] > 0) { + memory_region_init_alias(&s->ram.high, NULL, "xen.ram.hi", &xen_me= mory, + s->cfg.ram_high.base, ram_size[1]); + memory_region_add_subregion(sysmem, s->cfg.ram_high.base, &s->ram.= high); + } + + /* Setup support for grants. */ + memory_region_init_ram(&xen_grants, NULL, "xen.grants", block_len, + &error_fatal); + memory_region_add_subregion(sysmem, XEN_GRANT_ADDR_OFF, &xen_grants); +} + +static void xen_set_irq(void *opaque, int irq, int level) +{ + if (xendevicemodel_set_irq_level(xen_dmod, xen_domid, irq, level)) { + error_report("xendevicemodel_set_irq_level failed"); + } +} + +static void xen_create_virtio_mmio_devices(XenPVHMachineState *s) +{ + int i; + + for (i =3D 0; i < s->cfg.virtio_mmio_num; i++) { + hwaddr base =3D s->cfg.virtio_mmio.base + i * s->cfg.virtio_mmio.s= ize; + qemu_irq irq =3D qemu_allocate_irq(xen_set_irq, NULL, + s->cfg.virtio_mmio_irq_base + i); + + sysbus_create_simple("virtio-mmio", base, irq); + + trace_xen_create_virtio_mmio_devices(i, + s->cfg.virtio_mmio_irq_base += i, + base); + } +} + +#ifdef CONFIG_TPM +static void xen_enable_tpm(XenPVHMachineState *s) +{ + Error *errp =3D NULL; + DeviceState *dev; + SysBusDevice *busdev; + + TPMBackend *be =3D qemu_find_tpm_be("tpm0"); + if (be =3D=3D NULL) { + error_report("Couldn't find tmp0 backend"); + return; + } + dev =3D qdev_new(TYPE_TPM_TIS_SYSBUS); + object_property_set_link(OBJECT(dev), "tpmdev", OBJECT(be), &errp); + object_property_set_str(OBJECT(dev), "tpmdev", be->id, &errp); + busdev =3D SYS_BUS_DEVICE(dev); + sysbus_realize_and_unref(busdev, &error_fatal); + sysbus_mmio_map(busdev, 0, s->cfg.tpm.base); + + trace_xen_enable_tpm(s->cfg.tpm.base); +} +#endif + +static void xen_pvh_init(MachineState *ms) +{ + XenPVHMachineState *s =3D XEN_PVH_MACHINE(ms); + XenPVHMachineClass *xpc =3D XEN_PVH_MACHINE_GET_CLASS(s); + MemoryRegion *sysmem =3D get_system_memory(); + + if (ms->ram_size =3D=3D 0) { + warn_report("%s: ram size not specified. QEMU machine started" + " without IOREQ (no emulated devices including virtio)= ", + MACHINE_CLASS(object_get_class(OBJECT(ms)))->desc); + return; + } + + xen_pvh_init_ram(s, sysmem); + xen_register_ioreq(&s->ioreq, ms->smp.max_cpus, &xen_memory_listener); + + if (s->cfg.virtio_mmio_num) { + xen_create_virtio_mmio_devices(s); + } + +#ifdef CONFIG_TPM + if (xpc->has_tpm) { + if (s->cfg.tpm.base) { + xen_enable_tpm(s); + } else { + warn_report("tpm-base-addr is not set. TPM will not be enabled= "); + } + } +#endif + + /* Call the implementation specific init. */ + if (xpc->init) { + xpc->init(ms); + } +} + +#define XEN_PVH_PROP_MEMMAP_SETTER(n, f) = \ +static void xen_pvh_set_ ## n ## _ ## f(Object *obj, Visitor *v, = \ + const char *name, void *opaque, = \ + Error **errp) = \ +{ = \ + XenPVHMachineState *xp =3D XEN_PVH_MACHINE(obj); = \ + uint64_t value; = \ + = \ + if (!visit_type_size(v, name, &value, errp)) { = \ + return; = \ + } = \ + xp->cfg.n.f =3D value; = \ +} + +#define XEN_PVH_PROP_MEMMAP_GETTER(n, f) = \ +static void xen_pvh_get_ ## n ## _ ## f(Object *obj, Visitor *v, = \ + const char *name, void *opaque, = \ + Error **errp) = \ +{ = \ + XenPVHMachineState *xp =3D XEN_PVH_MACHINE(obj); = \ + uint64_t value =3D xp->cfg.n.f; = \ + = \ + visit_type_uint64(v, name, &value, errp); = \ +} + +#define XEN_PVH_PROP_MEMMAP_BASE(n) \ + XEN_PVH_PROP_MEMMAP_SETTER(n, base) \ + XEN_PVH_PROP_MEMMAP_GETTER(n, base) \ + +#define XEN_PVH_PROP_MEMMAP_SIZE(n) \ + XEN_PVH_PROP_MEMMAP_SETTER(n, size) \ + XEN_PVH_PROP_MEMMAP_GETTER(n, size) + +#define XEN_PVH_PROP_MEMMAP(n) \ + XEN_PVH_PROP_MEMMAP_BASE(n) \ + XEN_PVH_PROP_MEMMAP_SIZE(n) + +XEN_PVH_PROP_MEMMAP(ram_low) +XEN_PVH_PROP_MEMMAP(ram_high) +/* TPM only has a base-addr option. */ +XEN_PVH_PROP_MEMMAP_BASE(tpm) +XEN_PVH_PROP_MEMMAP(virtio_mmio) + +void xen_pvh_class_setup_common_props(XenPVHMachineClass *xpc) +{ + ObjectClass *oc =3D OBJECT_CLASS(xpc); + MachineClass *mc =3D MACHINE_CLASS(xpc); + +#define OC_MEMMAP_PROP_BASE(c, prop_name, name) \ +do { \ + object_class_property_add(c, prop_name "-base", "uint64_t", \ + xen_pvh_get_ ## name ## _base, \ + xen_pvh_set_ ## name ## _base, NULL, NULL); \ + object_class_property_set_description(oc, prop_name "-base", \ + "Set base address for " prop_name); \ +} while (0) + +#define OC_MEMMAP_PROP_SIZE(c, prop_name, name) \ +do { \ + object_class_property_add(c, prop_name "-size", "uint64_t", \ + xen_pvh_get_ ## name ## _size, \ + xen_pvh_set_ ## name ## _size, NULL, NULL); \ + object_class_property_set_description(oc, prop_name "-size", \ + "Set memory range size for " prop_name); \ +} while (0) + +#define OC_MEMMAP_PROP(c, prop_name, name) \ +do { \ + OC_MEMMAP_PROP_BASE(c, prop_name, name); \ + OC_MEMMAP_PROP_SIZE(c, prop_name, name); \ +} while (0) + + /* + * We provide memmap properties to allow Xen to move things to other + * addresses for example when users need to accomodate the memory-map + * for 1:1 mapped devices/memory. + */ + OC_MEMMAP_PROP(oc, "ram-low", ram_low); + OC_MEMMAP_PROP(oc, "ram-high", ram_high); + + if (xpc->has_virtio_mmio) { + OC_MEMMAP_PROP(oc, "virtio-mmio", virtio_mmio); + } + +#ifdef CONFIG_TPM + if (xpc->has_tpm) { + object_class_property_add(oc, "tpm-base-addr", "uint64_t", + xen_pvh_get_tpm_base, + xen_pvh_set_tpm_base, + NULL, NULL); + object_class_property_set_description(oc, "tpm-base-addr", + "Set Base address for TPM device."); + + machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS); + } +#endif +} + +static void xen_pvh_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc =3D MACHINE_CLASS(oc); + + mc->init =3D xen_pvh_init; + + mc->desc =3D "Xen PVH machine"; + mc->max_cpus =3D 1; + mc->default_machine_opts =3D "accel=3Dxen"; + /* Set to zero to make sure that the real ram size is passed. */ + mc->default_ram_size =3D 0; +} + +static const TypeInfo xen_pvh_info =3D { + .name =3D TYPE_XEN_PVH_MACHINE, + .parent =3D TYPE_MACHINE, + .abstract =3D true, + .instance_size =3D sizeof(XenPVHMachineState), + .class_size =3D sizeof(XenPVHMachineClass), + .class_init =3D xen_pvh_class_init, +}; + +static void xen_pvh_register_types(void) +{ + type_register_static(&xen_pvh_info); +} + +type_init(xen_pvh_register_types); diff --git a/include/hw/xen/xen-pvh-common.h b/include/hw/xen/xen-pvh-commo= n.h new file mode 100644 index 0000000000..77fd98b9fe --- /dev/null +++ b/include/hw/xen/xen-pvh-common.h @@ -0,0 +1,59 @@ +/* + * QEMU Xen PVH machine - common code. + * + * Copyright (c) 2024 Advanced Micro Devices, Inc. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef XEN_PVH_COMMON_H__ +#define XEN_PVH_COMMON_H__ + +#include +#include "hw/sysbus.h" +#include "hw/hw.h" +#include "hw/xen/xen-hvm-common.h" +#include "hw/pci-host/gpex.h" + +#define TYPE_XEN_PVH_MACHINE MACHINE_TYPE_NAME("xen-pvh-base") +OBJECT_DECLARE_TYPE(XenPVHMachineState, XenPVHMachineClass, + XEN_PVH_MACHINE) + +struct XenPVHMachineClass { + MachineClass parent; + + /* PVH implementation specific init. */ + void (*init)(MachineState *state); + + /* + * Each implementation can optionally enable features that it + * supports and are known to work. + */ + bool has_tpm; + bool has_virtio_mmio; +}; + +struct XenPVHMachineState { + /*< private >*/ + MachineState parent; + + XenIOState ioreq; + + struct { + MemoryRegion low; + MemoryRegion high; + } ram; + + struct { + MemMapEntry ram_low, ram_high; + MemMapEntry tpm; + + /* Virtio-mmio */ + MemMapEntry virtio_mmio; + uint32_t virtio_mmio_num; + uint32_t virtio_mmio_irq_base; + } cfg; +}; + +void xen_pvh_class_setup_common_props(XenPVHMachineClass *xpc); +#endif --=20 2.43.0 From nobody Sun Nov 24 09:56:22 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org Subject: [PATCH v2 08/12] hw/arm: xenpvh: Rename xen_arm.c -> xen-pvh.c Date: Tue, 20 Aug 2024 16:29:45 +0200 Message-ID: <20240820142949.533381-9-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164228569116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Rename xen_arm.c -> xen-pvh.c to better express that this is a PVH machine and to align with x86 HVM and future PVH machine filenames: hw/i386/xen/xen-hvm.c hw/i386/xen/xen-pvh.c (in preparation) No functional changes. Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/arm/meson.build | 2 +- hw/arm/{xen_arm.c =3D> xen-pvh.c} | 0 2 files changed, 1 insertion(+), 1 deletion(-) rename hw/arm/{xen_arm.c =3D> xen-pvh.c} (100%) diff --git a/hw/arm/meson.build b/hw/arm/meson.build index 074612b40c..4059d0be2e 100644 --- a/hw/arm/meson.build +++ b/hw/arm/meson.build @@ -61,7 +61,7 @@ arm_ss.add(when: 'CONFIG_FSL_IMX6UL', if_true: files('fsl= -imx6ul.c', 'mcimx6ul-e arm_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_soc.c')) arm_ss.add(when: 'CONFIG_XEN', if_true: files( 'xen-stubs.c', - 'xen_arm.c', + 'xen-pvh.c', )) =20 system_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmu-common.c')) diff --git a/hw/arm/xen_arm.c b/hw/arm/xen-pvh.c similarity index 100% rename from hw/arm/xen_arm.c rename to hw/arm/xen-pvh.c --=20 2.43.0 From nobody Sun Nov 24 09:56:22 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1724164235; cv=none; d=zohomail.com; s=zohoarc; b=Q6tMv30r/WTOuGmbNGtm0nRHNyTKfnz2SWKWr+oSX7qI9MTM4enescWh2frgFkYizo8vtlkJV0CAXtzyr6mlo/3Do6CFLyue7VLJAGkaPgyCwoGsNFLk1MeXfuwNcdQEeI4CoqT69Q2rDRZENww3Qc06sS47dtVGj8D/fOd4GN0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1724164235; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=nn/Mzsj0J8g/Mphb+PXQ5WHUtYUEk9GjObY40SBe48s=; b=f/ST8CO8fsvEyThVdM9zB1MYHjUM3rTu5zm+Xiv+ldViMA7wpDnJut2oJy0CwQeIMisoHEPPWqip3lkBaWMy4FaDYzKZ5DPfTImwxOctsPYSgz4Lu8eQ6ujpn4rdHza3WBVyJwLO6R7/m6AOsgcKByjIrHP3L196zAEimnxd1+g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 172416423537545.762390226682555; Tue, 20 Aug 2024 07:30:35 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.780538.1190241 (Exim 4.92) (envelope-from ) id 1sgPsC-00041q-Vf; Tue, 20 Aug 2024 14:30:12 +0000 Received: by outflank-mailman (output) from mailman id 780538.1190241; Tue, 20 Aug 2024 14:30:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sgPsC-00040n-Pi; Tue, 20 Aug 2024 14:30:12 +0000 Received: by outflank-mailman (input) for mailman id 780538; Tue, 20 Aug 2024 14:30:12 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sgPsC-0000m9-24 for xen-devel@lists.xenproject.org; Tue, 20 Aug 2024 14:30:12 +0000 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [2a00:1450:4864:20::12e]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id b51dbfee-5f00-11ef-a507-bb4a2ccca743; Tue, 20 Aug 2024 16:30:11 +0200 (CEST) Received: by mail-lf1-x12e.google.com with SMTP id 2adb3069b0e04-53346132365so347421e87.1 for ; Tue, 20 Aug 2024 07:30:11 -0700 (PDT) Received: from gmail.com (213-67-3-247-no600.tbcn.telia.com. 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, "Edgar E. Iglesias" Subject: [PATCH v2 09/12] hw/arm: xenpvh: Reverse virtio-mmio creation order Date: Tue, 20 Aug 2024 16:29:46 +0200 Message-ID: <20240820142949.533381-10-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164236669116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" We've been creating the virtio-mmio devices in forwards order but since the qbus lists prepend (rather than append) entries, the virtio busses end up with decreasing base address order. Xen enables virtio-mmio nodes in forwards order so there's been a missmatch. So far, we've been working around this with an out-of-tree patch to Xen. This reverses the order making sure the virtio busses end up ordered with increasing base addresses avoiding the need to patch Xen. Signed-off-by: Edgar E. Iglesias Acked-by: Stefano Stabellini --- hw/xen/xen-pvh-common.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/hw/xen/xen-pvh-common.c b/hw/xen/xen-pvh-common.c index 880e8143d7..295f920442 100644 --- a/hw/xen/xen-pvh-common.c +++ b/hw/xen/xen-pvh-common.c @@ -75,7 +75,18 @@ static void xen_create_virtio_mmio_devices(XenPVHMachine= State *s) { int i; =20 - for (i =3D 0; i < s->cfg.virtio_mmio_num; i++) { + /* + * We create the transports in reverse order. Since qbus_realize() + * prepends (not appends) new child buses, the decrementing loop below= will + * create a list of virtio-mmio buses with increasing base addresses. + * + * When a -device option is processed from the command line, + * qbus_find_recursive() picks the next free virtio-mmio bus in forwar= ds + * order. + * + * This is what the Xen tools expect. + */ + for (i =3D s->cfg.virtio_mmio_num - 1; i >=3D 0; i--) { hwaddr base =3D s->cfg.virtio_mmio.base + i * s->cfg.virtio_mmio.s= ize; qemu_irq irq =3D qemu_allocate_irq(xen_set_irq, NULL, s->cfg.virtio_mmio_irq_base + i); --=20 2.43.0 From nobody Sun Nov 24 09:56:22 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1724164235; cv=none; d=zohomail.com; s=zohoarc; b=VfkuqGIa/DNSFL3H09f+kUHZamGupHe/t0fnqdcByl/J/5e/iqNaZDY2wszAzP8EvBUCzjaLG1Decr5tpJ8yXdOkdxwF3x4EVjW0NNanQlM9+razqhHolmlQ69P1x6aJ+lQwA/KKYEleYJvZe0RjpKS1qggbiluN+S+iIgpW3Xg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1724164235; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ppMyZS+5FMSiffs9dgCYzOxXzoRKybQSEG9AEVh/uZI=; b=K+iDOP94BlTY0BxDhHfgBuvMGklQO1Vk9KhQLtwE4CzEpDwLxNBkC4DlWng0iFoW+OPzZK7M10XAoLL2BUp5fynm04PqsYXr2+WTRx22EyJ38XN/3a41/D2hWeIVhBVq2cHOAlfLC0Ci5tlfxOwuA2+7v5j8ZXT3h0NWW1CE6O4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 172416423588686.00573121737739; Tue, 20 Aug 2024 07:30:35 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.780541.1190252 (Exim 4.92) (envelope-from ) id 1sgPsG-0004ZF-7C; Tue, 20 Aug 2024 14:30:16 +0000 Received: by outflank-mailman (output) from mailman id 780541.1190252; Tue, 20 Aug 2024 14:30:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sgPsG-0004Yy-2A; Tue, 20 Aug 2024 14:30:16 +0000 Received: by outflank-mailman (input) for mailman id 780541; Tue, 20 Aug 2024 14:30:14 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sgPsE-0000aG-IG for xen-devel@lists.xenproject.org; Tue, 20 Aug 2024 14:30:14 +0000 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [2a00:1450:4864:20::12e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b5db0026-5f00-11ef-8776-851b0ebba9a2; Tue, 20 Aug 2024 16:30:12 +0200 (CEST) Received: by mail-lf1-x12e.google.com with SMTP id 2adb3069b0e04-53345604960so398918e87.3 for ; Tue, 20 Aug 2024 07:30:12 -0700 (PDT) Received: from gmail.com (213-67-3-247-no600.tbcn.telia.com. [213.67.3.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5330d3ff322sm1784334e87.173.2024.08.20.07.30.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Aug 2024 07:30:11 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b5db0026-5f00-11ef-8776-851b0ebba9a2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724164212; x=1724769012; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ppMyZS+5FMSiffs9dgCYzOxXzoRKybQSEG9AEVh/uZI=; b=PPpxZ6fhcImssvAkF6urUpuV5RmMz8X98PEdlIFMCenrniNC+o7qDkZdthXqKF7wW+ S5rDEJWaiHo8lqX7yBo+p6Ywh/IvW5wJEOsZmtmx4z2drDkStMERvG5bzjoYKZ58RsRr ZkBS9gp81lYNDZmKnvB01LlYBSPRS4okrCLxtzmILWNZhw7xhDX6ISneJGlJexuDQGLP 9VNeJfOIOJdS6xeuKb4/cnKn3APi2lr2e8rtx3X5sBCfH58B5wiTWafJuZ+kJs1PJcFm i/k8mQ0FPrehG8EmHHeNoRblr04JgXZevA60zGSHddoIeUGwo/pYmFETIiK6XXfUayWA haIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724164212; x=1724769012; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ppMyZS+5FMSiffs9dgCYzOxXzoRKybQSEG9AEVh/uZI=; b=IFwvP1H7bRhRBQwkma7st0NnT+3s2SZ72xEZizPUZygGHdnm5Ok+2PyrtomhhTJxJ2 cpawtjuBgP2ol9Blsi3W33ApcyK1/5BgccqL0x1tasKEiMNsSbbultBBHtrZd0uajklO CzA2YoJyNCiPsUVQ/++MfQJsiAhPaVfg9x883xZLWt1HRPOspTOtRwkyAqbLxmKa3b31 GUOyCmN88C35Id3bfybp2EDe7RyhxvaPqJ61zV2uClMevgDoJ4515nJPbo7/Og/JSvfW n4Acn1elB14EBobZSnAQ/WdH2T0WYYe3J9vPUhWhIpzgHfNrrbeRmFTql2x61iwwKzUN 8jPQ== X-Forwarded-Encrypted: i=1; AJvYcCXdZuvAOdTzARxwCmQnIqrbnJ/j5NCog3nQ+XMxkZXCSeWOpudU8Lu0QEkWFOvwh7yWgWBvAbocaLtnCtHy/gpVsN9vCHwqeIVeVoy/+b0= X-Gm-Message-State: AOJu0YxA4M8h9y3h9xN9OETdTpptIyr+UMJUxga9h+g2JziH6ilLLIjA Wrh4d2trn0CFa4GjSL8E6uFOKbY68+6OmIoy0+5dOMXWdqTROJpB X-Google-Smtp-Source: AGHT+IHLMp6nmn/tVarHCHwk6XpO2ARIoKfTKlovZdAfYoHj1NTbn6sxh5nlUUvp3A1yWjCmxQMsJg== X-Received: by 2002:a05:6512:ba7:b0:52e:a68a:6076 with SMTP id 2adb3069b0e04-5331c6e4eefmr9192819e87.49.1724164211636; Tue, 20 Aug 2024 07:30:11 -0700 (PDT) From: "Edgar E. Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, "Edgar E. Iglesias" Subject: [PATCH v2 10/12] hw/xen: pvh-common: Add support for creating PCIe/GPEX Date: Tue, 20 Aug 2024 16:29:47 +0200 Message-ID: <20240820142949.533381-11-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164236729116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Add support for optionally creating a PCIe/GPEX controller. Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/xen/xen-pvh-common.c | 76 +++++++++++++++++++++++++++++++++ include/hw/xen/xen-pvh-common.h | 29 +++++++++++++ 2 files changed, 105 insertions(+) diff --git a/hw/xen/xen-pvh-common.c b/hw/xen/xen-pvh-common.c index 295f920442..28d7168446 100644 --- a/hw/xen/xen-pvh-common.c +++ b/hw/xen/xen-pvh-common.c @@ -122,6 +122,64 @@ static void xen_enable_tpm(XenPVHMachineState *s) } #endif =20 +/* + * We use the GPEX PCIe controller with its internal INTX PCI interrupt + * swizzling. This swizzling is emulated in QEMU and routes all INTX + * interrupts from endpoints down to only 4 INTX interrupts. + * See include/hw/pci/pci.h : pci_swizzle() + */ +static inline void xenpvh_gpex_init(XenPVHMachineState *s, + XenPVHMachineClass *xpc, + MemoryRegion *sysmem) +{ + MemoryRegion *ecam_reg; + MemoryRegion *mmio_reg; + DeviceState *dev; + int i; + + object_initialize_child(OBJECT(s), "gpex", &s->pci.gpex, + TYPE_GPEX_HOST); + dev =3D DEVICE(&s->pci.gpex); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + + ecam_reg =3D sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); + memory_region_add_subregion(sysmem, s->cfg.pci_ecam.base, ecam_reg); + + mmio_reg =3D sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); + + if (s->cfg.pci_mmio.size) { + memory_region_init_alias(&s->pci.mmio_alias, OBJECT(dev), "pcie-mm= io", + mmio_reg, + s->cfg.pci_mmio.base, s->cfg.pci_mmio.siz= e); + memory_region_add_subregion(sysmem, s->cfg.pci_mmio.base, + &s->pci.mmio_alias); + } + + if (s->cfg.pci_mmio_high.size) { + memory_region_init_alias(&s->pci.mmio_high_alias, OBJECT(dev), + "pcie-mmio-high", + mmio_reg, s->cfg.pci_mmio_high.base, s->cfg.pci_mmio_high.= size); + memory_region_add_subregion(sysmem, s->cfg.pci_mmio_high.base, + &s->pci.mmio_high_alias); + } + + /* + * PVH implementations with PCI enabled must provide set_pci_intx_irq() + * and optionally an implementation of set_pci_link_route(). + */ + assert(xpc->set_pci_intx_irq); + + for (i =3D 0; i < GPEX_NUM_IRQS; i++) { + qemu_irq irq =3D qemu_allocate_irq(xpc->set_pci_intx_irq, s, i); + + sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, irq); + gpex_set_irq_num(GPEX_HOST(dev), i, s->cfg.pci_intx_irq_base + i); + if (xpc->set_pci_link_route) { + xpc->set_pci_link_route(i, s->cfg.pci_intx_irq_base + i); + } + } +} + static void xen_pvh_init(MachineState *ms) { XenPVHMachineState *s =3D XEN_PVH_MACHINE(ms); @@ -152,6 +210,15 @@ static void xen_pvh_init(MachineState *ms) } #endif =20 + /* Non-zero pci-ecam-size enables PCI. */ + if (s->cfg.pci_ecam.size) { + if (s->cfg.pci_ecam.size !=3D 256 * MiB) { + error_report("pci-ecam-size only supports values 0 or 0x100000= 00"); + exit(EXIT_FAILURE); + } + xenpvh_gpex_init(s, xpc, sysmem); + } + /* Call the implementation specific init. */ if (xpc->init) { xpc->init(ms); @@ -200,6 +267,9 @@ XEN_PVH_PROP_MEMMAP(ram_high) /* TPM only has a base-addr option. */ XEN_PVH_PROP_MEMMAP_BASE(tpm) XEN_PVH_PROP_MEMMAP(virtio_mmio) +XEN_PVH_PROP_MEMMAP(pci_ecam) +XEN_PVH_PROP_MEMMAP(pci_mmio) +XEN_PVH_PROP_MEMMAP(pci_mmio_high) =20 void xen_pvh_class_setup_common_props(XenPVHMachineClass *xpc) { @@ -242,6 +312,12 @@ do { = \ OC_MEMMAP_PROP(oc, "virtio-mmio", virtio_mmio); } =20 + if (xpc->has_pci) { + OC_MEMMAP_PROP(oc, "pci-ecam", pci_ecam); + OC_MEMMAP_PROP(oc, "pci-mmio", pci_mmio); + OC_MEMMAP_PROP(oc, "pci-mmio-high", pci_mmio_high); + } + #ifdef CONFIG_TPM if (xpc->has_tpm) { object_class_property_add(oc, "tpm-base-addr", "uint64_t", diff --git a/include/hw/xen/xen-pvh-common.h b/include/hw/xen/xen-pvh-commo= n.h index 77fd98b9fe..bc09eea936 100644 --- a/include/hw/xen/xen-pvh-common.h +++ b/include/hw/xen/xen-pvh-common.h @@ -25,10 +25,29 @@ struct XenPVHMachineClass { /* PVH implementation specific init. */ void (*init)(MachineState *state); =20 + /* + * set_pci_intx_irq - Deliver INTX irqs to the guest. + * + * @opaque: pointer to XenPVHMachineState. + * @irq: IRQ after swizzling, between 0-3. + * @level: IRQ level. + */ + void (*set_pci_intx_irq)(void *opaque, int irq, int level); + + /* + * set_pci_link_route: - optional implementation call to setup + * routing between INTX IRQ (0 - 3) and GSI's. + * + * @line: line the INTx line (0 =3D> A .. 3 =3D> B) + * @irq: GSI + */ + int (*set_pci_link_route)(uint8_t line, uint8_t irq); + /* * Each implementation can optionally enable features that it * supports and are known to work. */ + bool has_pci; bool has_tpm; bool has_virtio_mmio; }; @@ -44,6 +63,12 @@ struct XenPVHMachineState { MemoryRegion high; } ram; =20 + struct { + GPEXHost gpex; + MemoryRegion mmio_alias; + MemoryRegion mmio_high_alias; + } pci; + struct { MemMapEntry ram_low, ram_high; MemMapEntry tpm; @@ -52,6 +77,10 @@ struct XenPVHMachineState { MemMapEntry virtio_mmio; uint32_t virtio_mmio_num; uint32_t virtio_mmio_irq_base; 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, "Edgar E. Iglesias" , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PATCH v2 11/12] hw/i386/xen: Add a Xen PVH x86 machine Date: Tue, 20 Aug 2024 16:29:48 +0200 Message-ID: <20240820142949.533381-12-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164240691116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Add a Xen PVH x86 machine based on the abstract PVH Machine. Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- hw/i386/xen/meson.build | 1 + hw/i386/xen/xen-pvh.c | 121 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 122 insertions(+) create mode 100644 hw/i386/xen/xen-pvh.c diff --git a/hw/i386/xen/meson.build b/hw/i386/xen/meson.build index 3f0df8bc07..c73c62b8e3 100644 --- a/hw/i386/xen/meson.build +++ b/hw/i386/xen/meson.build @@ -4,6 +4,7 @@ i386_ss.add(when: 'CONFIG_XEN', if_true: files( )) i386_ss.add(when: ['CONFIG_XEN', xen], if_true: files( 'xen-hvm.c', + 'xen-pvh.c', )) =20 i386_ss.add(when: 'CONFIG_XEN_BUS', if_true: files( diff --git a/hw/i386/xen/xen-pvh.c b/hw/i386/xen/xen-pvh.c new file mode 100644 index 0000000000..45645667e9 --- /dev/null +++ b/hw/i386/xen/xen-pvh.c @@ -0,0 +1,121 @@ +/* + * QEMU Xen PVH x86 Machine + * + * Copyright (c) 2024 Advanced Micro Devices, Inc. + * Written by Edgar E. Iglesias + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "hw/boards.h" +#include "sysemu/sysemu.h" +#include "hw/xen/arch_hvm.h" +#include +#include "hw/xen/xen-pvh-common.h" + +#define TYPE_XEN_PVH_X86 MACHINE_TYPE_NAME("xenpvh") +OBJECT_DECLARE_SIMPLE_TYPE(XenPVHx86State, XEN_PVH_X86) + +struct XenPVHx86State { + /*< private >*/ + XenPVHMachineState parent; + + DeviceState **cpu; +}; + +static DeviceState *xen_pvh_cpu_new(MachineState *ms, + int64_t apic_id) +{ + Object *cpu =3D object_new(ms->cpu_type); + + object_property_add_child(OBJECT(ms), "cpu[*]", cpu); + object_property_set_uint(cpu, "apic-id", apic_id, &error_fatal); + qdev_realize(DEVICE(cpu), NULL, &error_fatal); + object_unref(cpu); + + return DEVICE(cpu); +} + +static void xen_pvh_init(MachineState *ms) +{ + XenPVHx86State *xp =3D XEN_PVH_X86(ms); + int i; + + /* Create dummy cores. This will indirectly create the APIC MSI window= . */ + xp->cpu =3D g_malloc(sizeof xp->cpu[0] * ms->smp.max_cpus); + for (i =3D 0; i < ms->smp.max_cpus; i++) { + xp->cpu[i] =3D xen_pvh_cpu_new(ms, i); + } +} + +static void xen_pvh_instance_init(Object *obj) +{ + XenPVHMachineState *s =3D XEN_PVH_MACHINE(obj); + + /* Default values. */ + s->cfg.ram_low =3D (MemMapEntry) { 0x0, 0x80000000U }; + s->cfg.ram_high =3D (MemMapEntry) { 0xC000000000ULL, 0x4000000000ULL }; + s->cfg.pci_intx_irq_base =3D 16; +} + +/* + * Deliver INTX interrupts to Xen guest. + */ +static void xen_pvh_set_pci_intx_irq(void *opaque, int irq, int level) +{ + /* + * Since QEMU emulates all of the swizziling + * We don't want Xen to do any additional swizzling in + * xen_set_pci_intx_level() so we always set device to 0. + */ + if (xen_set_pci_intx_level(xen_domid, 0, 0, 0, irq, level)) { + error_report("xendevicemodel_set_pci_intx_level failed"); + } +} + +static void xen_pvh_machine_class_init(ObjectClass *oc, void *data) +{ + XenPVHMachineClass *xpc =3D XEN_PVH_MACHINE_CLASS(oc); + MachineClass *mc =3D MACHINE_CLASS(oc); + + mc->desc =3D "Xen PVH x86 machine"; + mc->default_cpu_type =3D TARGET_DEFAULT_CPU_TYPE; + + /* mc->max_cpus holds the MAX value allowed in the -smp cmd-line opts.= */ + mc->max_cpus =3D HVM_MAX_VCPUS; + + /* We have an implementation specific init to create CPU objects. */ + xpc->init =3D xen_pvh_init; + + /* + * PCI INTX routing. + * + * We describe the mapping between the 4 INTX interrupt and GSIs + * using xen_set_pci_link_route(). xen_pvh_set_pci_intx_irq is + * used to deliver the interrupt. + */ + xpc->set_pci_intx_irq =3D xen_pvh_set_pci_intx_irq; + xpc->set_pci_link_route =3D xen_set_pci_link_route; + + /* List of supported features known to work on PVH x86. */ + xpc->has_pci =3D true; + + xen_pvh_class_setup_common_props(xpc); +} + +static const TypeInfo xen_pvh_x86_machine_type =3D { + .name =3D TYPE_XEN_PVH_X86, + .parent =3D TYPE_XEN_PVH_MACHINE, + .class_init =3D xen_pvh_machine_class_init, + .instance_init =3D xen_pvh_instance_init, + .instance_size =3D sizeof(XenPVHx86State), +}; + +static void xen_pvh_machine_register_types(void) +{ + type_register_static(&xen_pvh_x86_machine_type); +} + +type_init(xen_pvh_machine_register_types) --=20 2.43.0 From nobody Sun Nov 24 09:56:22 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1724164236; cv=none; d=zohomail.com; s=zohoarc; b=Qon5YL2olq8qhazxSd+OTi3S9dJ1hHByKIlNlCmTUhgsXEF0ITdQoi7JiTJd8zr8xEveKgQAuCNpRcF29TgkZxMB8/rO1fNHm4Va05wKVyOJygKFWHqC4T9zamZNQZGW585hHbBovolFXu5xHzxVnQDqNVWY3KU3mz592lppta0= ARC-Message-Signature: i=1; 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Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, peter.maydell@linaro.org, alex.bennee@linaro.org, xenia.ragiadakou@amd.com, jason.andryuk@amd.com, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org, "Edgar E. Iglesias" , Paolo Bonzini Subject: [PATCH v2 12/12] docs/system/i386: xenpvh: Add a basic description Date: Tue, 20 Aug 2024 16:29:49 +0200 Message-ID: <20240820142949.533381-13-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240820142949.533381-1-edgar.iglesias@gmail.com> References: <20240820142949.533381-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1724164236668116600 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Signed-off-by: Edgar E. Iglesias Reviewed-by: Stefano Stabellini --- MAINTAINERS | 1 + docs/system/i386/xenpvh.rst | 49 +++++++++++++++++++++++++++++++++++++ docs/system/target-i386.rst | 1 + 3 files changed, 51 insertions(+) create mode 100644 docs/system/i386/xenpvh.rst diff --git a/MAINTAINERS b/MAINTAINERS index c2fb0c2f42..c14ac014e2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -560,6 +560,7 @@ F: include/sysemu/xen.h F: include/sysemu/xen-mapcache.h F: stubs/xen-hw-stub.c F: docs/system/arm/xenpvh.rst +F: docs/system/i386/xenpvh.rst =20 Guest CPU Cores (NVMM) ---------------------- diff --git a/docs/system/i386/xenpvh.rst b/docs/system/i386/xenpvh.rst new file mode 100644 index 0000000000..354250f073 --- /dev/null +++ b/docs/system/i386/xenpvh.rst @@ -0,0 +1,49 @@ +Xen PVH machine (``xenpvh``) +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Xen supports a spectrum of types of guests that vary in how they depend +on HW virtualization features, emulation models and paravirtualization. +PVH is a mode that uses HW virtualization features (like HVM) but tries +to avoid emulation models and instead use passthrough or +paravirtualized devices. + +QEMU can be used to provide PV virtio devices on an emulated PCIe controll= er. +That is the purpose of this minimal machine. + +Supported devices +----------------- + +The x86 Xen PVH QEMU machine provide the following devices: + +- RAM +- GPEX host bridge +- virtio-pci devices + +The idea is to only connect virtio-pci devices but in theory any compatible +PCI device model will work depending on Xen and guest support. + +Running +------- + +The Xen tools will typically construct a command-line and launch QEMU +for you when needed. But here's an example of what it can look like in +case you need to construct one manually: + +.. code-block:: console + + qemu-system-i386 -xen-domid 3 -no-shutdown \ + -chardev socket,id=3Dlibxl-cmd,path=3D/var/run/xen/qmp-libxl-3,serve= r=3Don,wait=3Doff \ + -mon chardev=3Dlibxl-cmd,mode=3Dcontrol \ + -chardev socket,id=3Dlibxenstat-cmd,path=3D/var/run/xen/qmp-libxenst= at-3,server=3Don,wait=3Doff \ + -mon chardev=3Dlibxenstat-cmd,mode=3Dcontrol \ + -nodefaults \ + -no-user-config \ + -xen-attach -name g0 \ + -vnc none \ + -display none \ + -device virtio-net-pci,id=3Dnic0,netdev=3Dnet0,mac=3D00:16:3e:5c:81:= 78 \ + -netdev type=3Dtap,id=3Dnet0,ifname=3Dvif3.0-emu,br=3Dxenbr0,script= =3Dno,downscript=3Dno \ + -smp 4,maxcpus=3D4 \ + -nographic \ + -machine xenpvh,ram-low-base=3D0,ram-low-size=3D2147483648,ram-high-= base=3D4294967296,ram-high-size=3D2147483648,pci-ecam-base=3D824633720832,p= ci-ecam-size=3D268435456,pci-mmio-base=3D4026531840,pci-mmio-size=3D3355443= 2,pci-mmio-high-base=3D824902156288,pci-mmio-high-size=3D68719476736 \ + -m 4096 diff --git a/docs/system/target-i386.rst b/docs/system/target-i386.rst index 1b8a1f248a..23e84e3ba7 100644 --- a/docs/system/target-i386.rst +++ b/docs/system/target-i386.rst @@ -26,6 +26,7 @@ Architectural features i386/cpu i386/hyperv i386/xen + i386/xenpvh i386/kvm-pv i386/sgx i386/amd-memory-encryption --=20 2.43.0