From: Paul Durrant <xadimgnik@gmail.com>
To: David Woodhouse <dwmw2@infradead.org>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Joao Martins <joao.m.martins@oracle.com>,
Ankur Arora <ankur.a.arora@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
vikram.garhwal@amd.com,
Anthony Perard <anthony.perard@citrix.com>,
xen-devel@lists.xenproject.org
Subject: Re: [RFC PATCH v1 25/25] i386/xen: Initialize Xen backends from pc_basic_device_init() for emulation
Date: Tue, 7 Mar 2023 16:31:20 +0000 [thread overview]
Message-ID: <3a32f2e4-b45f-ed78-3f0b-acc7050488d5@xen.org> (raw)
In-Reply-To: <20230302153435.1170111-26-dwmw2@infradead.org>
On 02/03/2023 15:34, David Woodhouse wrote:
> From: David Woodhouse <dwmw@amazon.co.uk>
>
> Now that all the work is done to enable the PV backends to work without
> actual Xen, instantiate the bus from pc_basic_device_init() for emulated
> mode.
>
> This allows us finally to launch an emulated Xen guest with PV disk.
>
> qemu-system-x86_64 -serial mon:stdio -M q35 -cpu host -display none \
> -m 1G -smp 2 -accel kvm,xen-version=0x4000a,kernel-irqchip=split \
> -kernel bzImage -append "console=ttyS0 root=/dev/xvda1" \
> -drive file=/var/lib/libvirt/images/fedora28.qcow2,if=none,id=disk \
> -device xen-disk,drive=disk,vdev=xvda
>
> If we use -M pc instead of q35, we can even add an IDE disk and boot a
> guest image normally through grub. But q35 gives us AHCI and that isn't
> unplugged by the Xen magic, so the guests ends up seeing "both" disks.
>
> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
> ---
> hw/i386/pc.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
Reviewed-by: Paul Durrant <paul@xen.org>
next prev parent reply other threads:[~2023-03-07 16:31 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-02 15:34 [RFC PATCH v1 00/25] Enable PV backends with Xen/KVM emulation David Woodhouse
2023-03-02 15:34 ` [RFC PATCH v1 01/25] hw/xen: Add xenstore wire implementation and implementation stubs David Woodhouse
2023-03-07 10:55 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 02/25] hw/xen: Add basic XenStore tree walk and write/read/directory support David Woodhouse
2023-03-07 11:14 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 03/25] hw/xen: Implement XenStore watches David Woodhouse
2023-03-07 11:29 ` Paul Durrant
2023-03-07 12:20 ` David Woodhouse
2023-03-02 15:34 ` [RFC PATCH v1 04/25] hw/xen: Implement XenStore transactions David Woodhouse
2023-03-07 13:16 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 05/25] hw/xen: Watches on " David Woodhouse
2023-03-07 13:32 ` Paul Durrant
2023-03-07 13:37 ` David Woodhouse
2023-03-02 15:34 ` [RFC PATCH v1 06/25] hw/xen: Implement XenStore permissions David Woodhouse
2023-03-07 13:40 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 07/25] hw/xen: Implement core serialize/deserialize methods for xenstore_impl David Woodhouse
2023-03-07 16:33 ` David Woodhouse
2023-03-07 16:39 ` Paul Durrant
2023-03-07 16:45 ` Paul Durrant
2023-03-07 16:52 ` David Woodhouse
2023-03-07 16:59 ` Paul Durrant
2023-03-07 17:00 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 08/25] hw/xen: Create initial XenStore nodes David Woodhouse
2023-03-07 13:52 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 09/25] hw/xen: Add evtchn operations to allow redirection to internal emulation David Woodhouse
2023-03-07 14:04 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 10/25] hw/xen: Add gnttab " David Woodhouse
2023-03-07 14:22 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 11/25] hw/xen: Pass grant ref to gnttab unmap operation David Woodhouse
2023-03-07 14:30 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 12/25] hw/xen: Add foreignmem operations to allow redirection to internal emulation David Woodhouse
2023-03-07 14:40 ` Paul Durrant
2023-03-07 14:48 ` David Woodhouse
2023-03-07 14:54 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 13/25] hw/xen: Add xenstore " David Woodhouse
2023-03-07 14:44 ` Paul Durrant
2023-03-07 14:52 ` David Woodhouse
2023-03-07 14:55 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 14/25] hw/xen: Move xenstore_store_pv_console_info to xen_console.c David Woodhouse
2023-03-07 14:47 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 15/25] hw/xen: Use XEN_PAGE_SIZE in PV backend drivers David Woodhouse
2023-03-07 14:48 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 16/25] hw/xen: Rename xen_common.h to xen_native.h David Woodhouse
2023-03-07 14:58 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 17/25] hw/xen: Build PV backend drivers for CONFIG_XEN_BUS David Woodhouse
2023-03-07 15:42 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 18/25] hw/xen: Avoid crash when backend watch fires too early David Woodhouse
2023-03-07 15:43 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 19/25] hw/xen: Only advertise ring-page-order for xen-block if gnttab supports it David Woodhouse
2023-03-07 15:48 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 20/25] hw/xen: Hook up emulated implementation for event channel operations David Woodhouse
2023-03-07 15:50 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 21/25] hw/xen: Add emulated implementation of grant table operations David Woodhouse
2023-03-07 16:07 ` Paul Durrant
2023-03-07 16:16 ` David Woodhouse
2023-03-02 15:34 ` [RFC PATCH v1 22/25] hw/xen: Add emulated implementation of XenStore operations David Woodhouse
2023-03-07 16:21 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 23/25] hw/xen: Map guest XENSTORE_PFN grant in emulated Xenstore David Woodhouse
2023-03-07 16:26 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 24/25] hw/xen: Implement soft reset for emulated gnttab David Woodhouse
2023-03-07 16:29 ` Paul Durrant
2023-03-02 15:34 ` [RFC PATCH v1 25/25] i386/xen: Initialize Xen backends from pc_basic_device_init() for emulation David Woodhouse
2023-03-07 16:31 ` Paul Durrant [this message]
2023-03-07 16:21 ` [RFC PATCH v1 26/25] MAINTAINERS: Add entry for Xen on KVM emulation David Woodhouse
2023-03-07 16:32 ` Paul Durrant
2023-03-07 16:22 ` [RFC PATCH v1 27/25] docs: Update Xen-on-KVM documentation for PV disk support David Woodhouse
2023-03-07 16:33 ` Paul Durrant
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