From: Christoffer Dall <christoffer.dall@linaro.org>
To: vijay.kilari@gmail.com
Cc: marc.zyngier@arm.com, Vijaya Kumar K <Vijaya.Kumar@cavium.com>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v10 6/8] arm/arm64: vgic: Implement VGICv3 CPU interface access
Date: Fri, 20 Jan 2017 20:27:49 +0100 [thread overview]
Message-ID: <20170120192749.GG13531@cbox> (raw)
In-Reply-To: <1480576187-5012-7-git-send-email-vijay.kilari@gmail.com>
On Thu, Dec 01, 2016 at 12:39:45PM +0530, vijay.kilari@gmail.com wrote:
> From: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
>
> VGICv3 CPU interface registers are accessed using
> KVM_DEV_ARM_VGIC_CPU_SYSREGS ioctl. These registers are accessed
> as 64-bit. The cpu MPIDR value is passed along with register id.
> is used to identify the cpu for registers access.
>
> The VM that supports SEIs expect it on destination machine to handle
> guest aborts and hence checked for ICC_CTLR_EL1.SEIS compatibility.
> Similarly, VM that supports Affinity Level 3 that is required for AArch64
> mode, is required to be supported on destination machine. Hence checked
> for ICC_CTLR_EL1.A3V compatibility.
>
> The arch/arm64/kvm/vgic-sys-reg-v3.c handles read and write of VGIC
> CPU registers for AArch64.
>
> For AArch32 mode, arch/arm/kvm/vgic-v3-coproc.c file is created but
> APIs are not implemented.
>
> Updated arch/arm/include/uapi/asm/kvm.h with new definitions
> required to compile for AArch32.
>
> The version of VGIC v3 specification is define here
> Documentation/virtual/kvm/devices/arm-vgic-v3.txt
>
> Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
> Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
> ---
With Eric's comments addressed on this patch, it now looks good to me.
-Christoffer
WARNING: multiple messages have this Message-ID (diff)
From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v10 6/8] arm/arm64: vgic: Implement VGICv3 CPU interface access
Date: Fri, 20 Jan 2017 20:27:49 +0100 [thread overview]
Message-ID: <20170120192749.GG13531@cbox> (raw)
In-Reply-To: <1480576187-5012-7-git-send-email-vijay.kilari@gmail.com>
On Thu, Dec 01, 2016 at 12:39:45PM +0530, vijay.kilari at gmail.com wrote:
> From: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
>
> VGICv3 CPU interface registers are accessed using
> KVM_DEV_ARM_VGIC_CPU_SYSREGS ioctl. These registers are accessed
> as 64-bit. The cpu MPIDR value is passed along with register id.
> is used to identify the cpu for registers access.
>
> The VM that supports SEIs expect it on destination machine to handle
> guest aborts and hence checked for ICC_CTLR_EL1.SEIS compatibility.
> Similarly, VM that supports Affinity Level 3 that is required for AArch64
> mode, is required to be supported on destination machine. Hence checked
> for ICC_CTLR_EL1.A3V compatibility.
>
> The arch/arm64/kvm/vgic-sys-reg-v3.c handles read and write of VGIC
> CPU registers for AArch64.
>
> For AArch32 mode, arch/arm/kvm/vgic-v3-coproc.c file is created but
> APIs are not implemented.
>
> Updated arch/arm/include/uapi/asm/kvm.h with new definitions
> required to compile for AArch32.
>
> The version of VGIC v3 specification is define here
> Documentation/virtual/kvm/devices/arm-vgic-v3.txt
>
> Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
> Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
> ---
With Eric's comments addressed on this patch, it now looks good to me.
-Christoffer
next prev parent reply other threads:[~2017-01-20 19:27 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-01 7:09 [PATCH v10 0/8] arm/arm64: vgic: Implement API for vGICv3 live migration vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-01 7:09 ` [PATCH v10 1/8] arm/arm64: vgic: Implement support for userspace access vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-01 7:09 ` [PATCH v10 2/8] arm/arm64: vgic: Add distributor and redistributor access vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-01 7:09 ` [PATCH v10 3/8] arm/arm64: vgic: Introduce find_reg_by_id() vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-01 7:09 ` [PATCH v10 4/8] irqchip/gic-v3: Add missing system register definitions vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-01 7:09 ` [PATCH v10 5/8] arm/arm64: vgic: Introduce VENG0 and VENG1 fields to vmcr struct vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-01 7:09 ` [PATCH v10 6/8] arm/arm64: vgic: Implement VGICv3 CPU interface access vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-16 12:25 ` Auger Eric
2016-12-16 12:25 ` Auger Eric
2016-12-19 9:47 ` Vijay Kilari
2016-12-19 9:47 ` Vijay Kilari
2016-12-19 10:20 ` Auger Eric
2016-12-19 10:20 ` Auger Eric
2017-01-20 19:26 ` Christoffer Dall
2017-01-20 19:26 ` Christoffer Dall
2016-12-19 17:05 ` Auger Eric
2016-12-19 17:05 ` Auger Eric
2017-01-20 19:27 ` Christoffer Dall
2017-01-20 19:27 ` Christoffer Dall
2017-01-20 19:27 ` Christoffer Dall [this message]
2017-01-20 19:27 ` Christoffer Dall
2016-12-01 7:09 ` [PATCH v10 7/8] arm/arm64: vgic: Implement KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO ioctl vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-16 12:07 ` Auger Eric
2016-12-16 12:07 ` Auger Eric
2016-12-16 12:44 ` Peter Maydell
2016-12-16 12:44 ` Peter Maydell
2017-01-20 19:54 ` Christoffer Dall
2017-01-20 19:54 ` Christoffer Dall
2017-01-20 19:53 ` Christoffer Dall
2017-01-20 19:53 ` Christoffer Dall
2017-01-23 10:16 ` Peter Maydell
2017-01-23 10:16 ` Peter Maydell
2017-01-23 11:06 ` Christoffer Dall
2017-01-23 11:06 ` Christoffer Dall
2017-01-23 11:41 ` Peter Maydell
2017-01-23 11:41 ` Peter Maydell
2017-01-23 13:42 ` Christoffer Dall
2017-01-23 13:42 ` Christoffer Dall
2016-12-01 7:09 ` [PATCH v10 8/8] arm/arm64: Documentation: Update arm-vgic-v3.txt vijay.kilari
2016-12-01 7:09 ` vijay.kilari at gmail.com
2016-12-16 12:18 ` Auger Eric
2016-12-16 12:18 ` Auger Eric
2017-01-20 19:57 ` Christoffer Dall
2017-01-20 19:57 ` Christoffer Dall
2017-01-23 10:52 ` Vijay Kilari
2017-01-23 10:52 ` Vijay Kilari
2017-01-23 11:20 ` Christoffer Dall
2017-01-23 11:20 ` Christoffer Dall
2017-01-23 11:33 ` Vijay Kilari
2017-01-23 11:33 ` Vijay Kilari
2017-01-23 11:43 ` Christoffer Dall
2017-01-23 11:43 ` Christoffer Dall
2017-01-19 2:13 ` [PATCH v10 0/8] arm/arm64: vgic: Implement API for vGICv3 live migration Shannon Zhao
2017-01-19 2:13 ` Shannon Zhao
2017-01-20 13:51 ` Christoffer Dall
2017-01-20 13:51 ` Christoffer Dall
2017-01-20 19:59 ` Christoffer Dall
2017-01-20 19:59 ` Christoffer Dall
2017-01-23 10:24 ` Vijay Kilari
2017-01-23 10:24 ` Vijay Kilari
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170120192749.GG13531@cbox \
--to=christoffer.dall@linaro.org \
--cc=Vijaya.Kumar@cavium.com \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=marc.zyngier@arm.com \
--cc=vijay.kilari@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.