From: Pavel Fedin <p.fedin@samsung.com>
To: 'Eric Auger' <eric.auger@linaro.org>,
'Peter Maydell' <peter.maydell@linaro.org>
Cc: 'QEMU Developers' <qemu-devel@nongnu.org>, kvmarm@lists.cs.columbia.edu
Subject: RE: [Qemu-devel] [PATCH v3 4/4] target-arm: Add the GICv2m to the virt board
Date: Tue, 26 May 2015 09:39:32 +0300 [thread overview]
Message-ID: <00c101d0977e$b990ea60$2cb2bf20$@samsung.com> (raw)
In-Reply-To: <55634D0D.3010103@linaro.org>
Hi!
> > Why? The v2m device isn't really related to the GICv3...
> In the future this handle could point to GICv2m or GICv3 ITS or GICv3
> (if I understand it correctly, when it supports message base interrupts
> and no ITS). They all would play the same role of msi-controller.
Yes, exactly. In my implementation being developed i actually reused first patch from this set, and indeed 'v2m_handle' appeared to be useful for ITS. My code flow is something like:
if (gicv3)
create_its()
else
create_v2m()
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Fedin <p.fedin@samsung.com>
To: 'Eric Auger' <eric.auger@linaro.org>,
'Peter Maydell' <peter.maydell@linaro.org>
Cc: 'QEMU Developers' <qemu-devel@nongnu.org>,
'Christoffer Dall' <christoffer.dall@linaro.org>,
kvmarm@lists.cs.columbia.edu
Subject: Re: [Qemu-devel] [PATCH v3 4/4] target-arm: Add the GICv2m to the virt board
Date: Tue, 26 May 2015 09:39:32 +0300 [thread overview]
Message-ID: <00c101d0977e$b990ea60$2cb2bf20$@samsung.com> (raw)
In-Reply-To: <55634D0D.3010103@linaro.org>
Hi!
> > Why? The v2m device isn't really related to the GICv3...
> In the future this handle could point to GICv2m or GICv3 ITS or GICv3
> (if I understand it correctly, when it supports message base interrupts
> and no ITS). They all would play the same role of msi-controller.
Yes, exactly. In my implementation being developed i actually reused first patch from this set, and indeed 'v2m_handle' appeared to be useful for ITS. My code flow is something like:
if (gicv3)
create_its()
else
create_v2m()
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
next prev parent reply other threads:[~2015-05-26 6:29 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-24 10:51 [PATCH v3 0/4] Add support for for GICv2m and MSIs to arm-virt Christoffer Dall
2015-05-24 10:51 ` [Qemu-devel] " Christoffer Dall
2015-05-24 10:51 ` [PATCH v3 1/4] target-arm: Add GIC phandle to VirtBoardInfo Christoffer Dall
2015-05-24 10:51 ` [Qemu-devel] " Christoffer Dall
2015-05-26 12:24 ` Eric Auger
2015-05-26 12:24 ` [Qemu-devel] " Eric Auger
2015-05-24 10:51 ` [PATCH v3 2/4] arm_gicv2m: Add GICv2m widget to support MSIs Christoffer Dall
2015-05-24 10:51 ` [Qemu-devel] " Christoffer Dall
2015-05-26 12:24 ` Eric Auger
2015-05-26 12:24 ` [Qemu-devel] " Eric Auger
2015-05-24 10:51 ` [PATCH v3 3/4] target-arm: Extend the gic node properties Christoffer Dall
2015-05-24 10:51 ` [Qemu-devel] " Christoffer Dall
2015-05-26 12:54 ` Eric Auger
2015-05-26 12:54 ` [Qemu-devel] " Eric Auger
2015-05-24 10:51 ` [PATCH v3 4/4] target-arm: Add the GICv2m to the virt board Christoffer Dall
2015-05-24 10:51 ` [Qemu-devel] " Christoffer Dall
2015-05-25 13:09 ` Pavel Fedin
2015-05-25 13:09 ` [Qemu-devel] " Pavel Fedin
2015-05-25 15:01 ` Peter Maydell
2015-05-25 15:01 ` Peter Maydell
2015-05-25 16:25 ` Eric Auger
2015-05-25 16:25 ` Eric Auger
2015-05-26 6:39 ` Pavel Fedin [this message]
2015-05-26 6:39 ` Pavel Fedin
2015-05-25 20:56 ` Christoffer Dall
2015-05-25 20:56 ` Christoffer Dall
2015-05-26 12:54 ` Eric Auger
2015-05-26 12:54 ` [Qemu-devel] " Eric Auger
2015-05-26 12:55 ` Peter Maydell
2015-05-26 12:55 ` [Qemu-devel] " Peter Maydell
2015-05-26 13:07 ` Eric Auger
2015-05-26 13:07 ` [Qemu-devel] " Eric Auger
2015-05-26 13:52 ` Peter Maydell
2015-05-26 13:52 ` [Qemu-devel] " Peter Maydell
2015-05-26 13:54 ` Pavel Fedin
2015-05-26 13:54 ` [Qemu-devel] " Pavel Fedin
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