Re: [RFC PATCH v4 6/6] kvmppc: Support reset of secure guest

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From: Bharata B Rao <bharata@linux.ibm.com>
To: Paul Mackerras <paulus@ozlabs.org>
Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org,
	linux-mm@kvack.org, paulus@au1.ibm.com,
	aneesh.kumar@linux.vnet.ibm.com, jglisse@redhat.com,
	linuxram@us.ibm.com, sukadev@linux.vnet.ibm.com,
	cclaudio@linux.ibm.com
Subject: Re: [RFC PATCH v4 6/6] kvmppc: Support reset of secure guest
Date: Tue, 09 Jul 2019 10:18:04 +0000	[thread overview]
Message-ID: <20190709100604.GD27933@in.ibm.com> (raw)
In-Reply-To: <20190617040632.jiq73ogxqyccvfjl@oak.ozlabs.ibm.com>

On Mon, Jun 17, 2019 at 02:06:32PM +1000, Paul Mackerras wrote:
> On Tue, May 28, 2019 at 12:19:33PM +0530, Bharata B Rao wrote:
> > Add support for reset of secure guest via a new ioctl KVM_PPC_SVM_OFF.
> > This ioctl will be issued by QEMU during reset and in this ioctl,
> > we ask UV to terminate the guest via UV_SVM_TERMINATE ucall,
> > reinitialize guest's partitioned scoped page tables and release all
> > HMM pages of the secure guest.
> > 
> > After these steps, guest is ready to issue UV_ESM call once again
> > to switch to secure mode.
> 
> Since you are adding a new KVM ioctl, you need to add a description of
> it to Documentation/virtual/kvm/api.txt.

Adding in the next version.

Regards,
Bharata.

WARNING: multiple messages have this Message-ID (diff)

From: Bharata B Rao <bharata@linux.ibm.com>
To: Paul Mackerras <paulus@ozlabs.org>
Cc: linuxram@us.ibm.com, cclaudio@linux.ibm.com,
	kvm-ppc@vger.kernel.org, linux-mm@kvack.org, jglisse@redhat.com,
	aneesh.kumar@linux.vnet.ibm.com, paulus@au1.ibm.com,
	sukadev@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org
Subject: Re: [RFC PATCH v4 6/6] kvmppc: Support reset of secure guest
Date: Tue, 9 Jul 2019 15:36:04 +0530	[thread overview]
Message-ID: <20190709100604.GD27933@in.ibm.com> (raw)
In-Reply-To: <20190617040632.jiq73ogxqyccvfjl@oak.ozlabs.ibm.com>

On Mon, Jun 17, 2019 at 02:06:32PM +1000, Paul Mackerras wrote:
> On Tue, May 28, 2019 at 12:19:33PM +0530, Bharata B Rao wrote:
> > Add support for reset of secure guest via a new ioctl KVM_PPC_SVM_OFF.
> > This ioctl will be issued by QEMU during reset and in this ioctl,
> > we ask UV to terminate the guest via UV_SVM_TERMINATE ucall,
> > reinitialize guest's partitioned scoped page tables and release all
> > HMM pages of the secure guest.
> > 
> > After these steps, guest is ready to issue UV_ESM call once again
> > to switch to secure mode.
> 
> Since you are adding a new KVM ioctl, you need to add a description of
> it to Documentation/virtual/kvm/api.txt.

Adding in the next version.

Regards,
Bharata.

WARNING: multiple messages have this Message-ID (diff)

From: Bharata B Rao <bharata@linux.ibm.com>
To: Paul Mackerras <paulus@ozlabs.org>
Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org,
	linux-mm@kvack.org, paulus@au1.ibm.com,
	aneesh.kumar@linux.vnet.ibm.com, jglisse@redhat.com,
	linuxram@us.ibm.com, sukadev@linux.vnet.ibm.com,
	cclaudio@linux.ibm.com
Subject: Re: [RFC PATCH v4 6/6] kvmppc: Support reset of secure guest
Date: Tue, 9 Jul 2019 15:36:04 +0530	[thread overview]
Message-ID: <20190709100604.GD27933@in.ibm.com> (raw)
In-Reply-To: <20190617040632.jiq73ogxqyccvfjl@oak.ozlabs.ibm.com>

On Mon, Jun 17, 2019 at 02:06:32PM +1000, Paul Mackerras wrote:
> On Tue, May 28, 2019 at 12:19:33PM +0530, Bharata B Rao wrote:
> > Add support for reset of secure guest via a new ioctl KVM_PPC_SVM_OFF.
> > This ioctl will be issued by QEMU during reset and in this ioctl,
> > we ask UV to terminate the guest via UV_SVM_TERMINATE ucall,
> > reinitialize guest's partitioned scoped page tables and release all
> > HMM pages of the secure guest.
> > 
> > After these steps, guest is ready to issue UV_ESM call once again
> > to switch to secure mode.
> 
> Since you are adding a new KVM ioctl, you need to add a description of
> it to Documentation/virtual/kvm/api.txt.

Adding in the next version.

Regards,
Bharata.

next prev parent reply	other threads:[~2019-07-09 10:18 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-28  6:49 [PATCH v4 0/6] kvmppc: HMM driver to manage pages of secure guest Bharata B Rao
2019-05-28  6:49 ` Bharata B Rao
2019-05-28  6:49 ` Bharata B Rao
2019-05-28  6:49 ` [PATCH v4 1/6] kvmppc: HMM backend " Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-06-17  5:31   ` Paul Mackerras
2019-06-17  5:31     ` Paul Mackerras
2019-06-17  5:31     ` Paul Mackerras
2019-07-09 10:03     ` Bharata B Rao
2019-07-09 10:15       ` Bharata B Rao
2019-07-09 10:03       ` Bharata B Rao
2019-05-28  6:49 ` [PATCH v4 2/6] kvmppc: Shared pages support for secure guests Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-05-28  6:49 ` [PATCH v4 3/6] kvmppc: H_SVM_INIT_START and H_SVM_INIT_DONE hcalls Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-06-17  5:37   ` Paul Mackerras
2019-06-17  5:37     ` Paul Mackerras
2019-06-17  5:37     ` Paul Mackerras
2019-07-09 10:04     ` Bharata B Rao
2019-07-09 10:16       ` Bharata B Rao
2019-07-09 10:04       ` Bharata B Rao
2019-06-18 23:05   ` Thiago Jung Bauermann
2019-06-18 23:05     ` Thiago Jung Bauermann
2019-06-18 23:05     ` Thiago Jung Bauermann
2019-07-09 10:05     ` Bharata B Rao
2019-07-09 10:17       ` Bharata B Rao
2019-07-09 10:05       ` Bharata B Rao
2019-05-28  6:49 ` [PATCH v4 4/6] kvmppc: Handle memory plug/unplug to secure VM Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-06-17  5:38   ` Paul Mackerras
2019-06-17  5:38     ` Paul Mackerras
2019-06-17  5:38     ` Paul Mackerras
2019-05-28  6:49 ` [RFC PATCH v4 5/6] kvmppc: Radix changes for secure guest Bharata B Rao
2019-05-28  6:50   ` Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-05-28  6:49 ` [RFC PATCH v4 6/6] kvmppc: Support reset of " Bharata B Rao
2019-05-28  6:50   ` Bharata B Rao
2019-05-28  6:49   ` Bharata B Rao
2019-06-17  4:06   ` Paul Mackerras
2019-06-17  4:06     ` Paul Mackerras
2019-06-17  4:06     ` Paul Mackerras
2019-07-09 10:06     ` Bharata B Rao [this message]
2019-07-09 10:18       ` Bharata B Rao
2019-07-09 10:06       ` Bharata B Rao

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