From: Gerd Hoffmann <kraxel@redhat.com>
To: "Andreas Färber" <andreas.faerber@web.de>
Cc: hpoussin@reactos.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC 00/10] ISA reconfigurability
Date: Tue, 07 Jun 2011 09:18:18 +0200 [thread overview]
Message-ID: <4DEDD0BA.1080407@redhat.com> (raw)
In-Reply-To: <1307377259-41434-1-git-send-email-andreas.faerber@web.de>
Hi,
> This series proposes a new solution: helpers that reconfigure existing ISADevices.
>
> It also contains a resend of a prerequisite patch with updated summary.
>
> As for the remaining issue of enabling/disabling devices I'd like to hear
> opinions on whether we should allow hot-plugging of these devices or
> whether we should add an enabled/disabled state to a qdev device.
I'd tend to think having a enable/disable state (and a setstate callback
in ISADeviceInfo) is easier to handle, especially wrt the host-side
state of the device (i.e. the chardev).
Reconfiguration can be done this way then:
setstate(0) -> device unregisters irq + ports.
qdev_prop_set_*() -> updates iobase + irqs
setstate(1) -> device registers new irqs + ports.
cheers,
Gerd
next prev parent reply other threads:[~2011-06-07 7:18 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-06 16:20 [Qemu-devel] [RFC 00/10] ISA reconfigurability Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 01/10] isa: Allow to un-assign I/O ports Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 02/10] isa: Allow to un-associate an IRQ Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 03/10] parallel: Allow to reconfigure ISA I/O base Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 04/10] parallel: Allow to reconfigure ISA IRQ Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 05/10] serial: Allow to reconfigure ISA I/O base Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 06/10] serial: Allow to reconfigure ISA IRQ Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [PATCH v2 07/10] fdc: Parametrize ISA base, IRQ and DMA Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 08/10] fdc: Allow to reconfigure ISA I/O base Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 09/10] ide: " Andreas Färber
2011-06-06 16:20 ` [Qemu-devel] [RFC 10/10] prep: Add pc87312 Super I/O emulation Andreas Färber
2011-06-06 20:08 ` [Qemu-devel] [RFC 05/10] serial: Allow to reconfigure ISA I/O base Richard Henderson
2011-06-06 20:25 ` Andreas Färber
2011-06-07 7:18 ` Gerd Hoffmann [this message]
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 00/10] ISA reconfigurability v2 Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 01/10] isa: Provide set_state callback Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 02/10] isa: Allow to un-assign I/O ports Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 03/10] isa: Allow to un-associate an IRQ Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 04/10] parallel: Implement ISA set_state callback Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 05/10] serial: Implement ISA set_state() callback Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [PATCH v2 06/10] fdc: Parametrize ISA base, IRQ and DMA Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 07/10] fdc: Implement ISA set_state() callback Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 08/10] ide: Allow to discard I/O ports Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 09/10] ide: Implement ISA set_state() callback Andreas Färber
2011-06-07 15:02 ` [Qemu-devel] [RFC v2 10/10] prep: Add pc87312 Super I/O emulation Andreas Färber
2011-06-07 15:16 ` [Qemu-devel] [RFC v2 00/10] ISA reconfigurability v2 Gerd Hoffmann
2011-06-07 22:36 ` Andreas Färber
2011-06-08 8:13 ` Gerd Hoffmann
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 00/12] ISA reconfigurability v4 Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [PATCH v4 01/12] qdev: Add support for property type bool Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [PATCH v4 02/12] qdev: Add helpers for reading properties Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 03/12] isa: Provide set_state callback Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 04/12] isa: Allow to un-assign I/O ports Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 05/12] isa: Allow to un-associate an IRQ Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 06/12] parallel: Implement ISA set_state callback Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 07/12] serial: Implement ISA set_state() callback Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [PATCH v4 08/12] fdc: Parametrize ISA base, IRQ and DMA Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 09/12] fdc: Implement ISA set_state() callback Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 10/12] ide: Allow to discard I/O ports Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 11/12] ide: Implement ISA set_state() callback Andreas Färber
2011-06-08 18:55 ` [Qemu-devel] [RFC v4 12/12] prep: Add pc87312 Super I/O emulation Andreas Färber
2011-06-09 7:56 ` [Qemu-devel] [RFC v4 09/12] fdc: Implement ISA set_state() callback Gerd Hoffmann
2011-06-09 9:23 ` Andreas Färber
2011-06-09 15:35 ` [Qemu-devel] [RFC v4 07/12] serial: " Markus Armbruster
2011-06-09 16:08 ` Andreas Färber
2011-06-09 15:04 ` [Qemu-devel] [RFC v4 05/12] isa: Allow to un-associate an IRQ Markus Armbruster
2011-06-09 15:12 ` Markus Armbruster
2011-06-12 12:05 ` Andreas Färber
2011-06-09 15:03 ` [Qemu-devel] [RFC v4 04/12] isa: Allow to un-assign I/O ports Markus Armbruster
2011-06-12 11:59 ` Andreas Färber
2011-06-12 13:48 ` Gleb Natapov
2011-06-12 15:32 ` Andreas Färber
2011-06-12 17:14 ` Gleb Natapov
2011-06-09 10:39 ` [Qemu-devel] [RFC v4 03/12] isa: Provide set_state callback Gerd Hoffmann
2011-06-09 11:37 ` Andreas Färber
2011-06-09 12:23 ` Gerd Hoffmann
2011-06-09 14:07 ` Andreas Färber
2011-06-09 14:19 ` Gerd Hoffmann
2011-06-09 16:04 ` Markus Armbruster
2011-06-12 12:48 ` Andreas Färber
2011-06-09 14:53 ` Markus Armbruster
2011-06-12 11:46 ` Andreas Färber
2011-06-09 14:45 ` [Qemu-devel] [PATCH v4 01/12] qdev: Add support for property type bool Markus Armbruster
2011-06-12 11:44 ` Andreas Färber
2011-06-13 20:08 ` [Qemu-devel] [RFC v4 00/12] ISA reconfigurability v4 Blue Swirl
2011-06-13 21:09 ` Andreas Färber
2011-06-15 18:24 ` Blue Swirl
2011-06-07 23:32 ` [Qemu-devel] [RFC v3 10/11] qdev: Add helpers for reading properties Andreas Färber
2011-06-07 23:32 ` [Qemu-devel] [RFC v3 11/11] prep: Add pc87312 Super I/O emulation Andreas Färber
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