From: Shannon Zhao <zhaoshenglong@huawei.com>
To: Wei Liu <wei.liu2@citrix.com>, Julien Grall <julien.grall@arm.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
ian.jackson@eu.citrix.com, peter.huangpeng@huawei.com,
xen-devel@lists.xen.org, Shannon Zhao <shannon.zhao@linaro.org>,
boris.ostrovsky@oracle.com
Subject: Re: [PATCH v2 03/17] libxl/arm: Add a configuration option for ARM DomU ACPI
Date: Tue, 12 Jul 2016 11:40:51 +0800 [thread overview]
Message-ID: <578466C3.2090206@huawei.com> (raw)
In-Reply-To: <20160707153024.GU416@citrix.com>
On 2016/7/7 23:30, Wei Liu wrote:
> On Mon, Jun 27, 2016 at 11:40:32AM +0100, Julien Grall wrote:
>> > Hi Shannon,
>> >
>> > On 23/06/16 15:34, Shannon Zhao wrote:
>>> > >On 2016年06月23日 21:39, Stefano Stabellini wrote:
>>>> > >>On Thu, 23 Jun 2016, Shannon Zhao wrote:
>>>>>> > >>>>From: Shannon Zhao <shannon.zhao@linaro.org>
>>>>>> > >>>>
>>>>>> > >>>>Add a configuration option for ARM DomU so that user can deicde to use
>>>>>> > >>>>ACPI or not. This option is defaultly false.
>>>>>> > >>>>
>>>>>> > >>>>Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
>>>>>> > >>>>---
>>>>>> > >>>> tools/libxl/libxl_arm.c | 3 +++
>>>>>> > >>>> tools/libxl/libxl_types.idl | 1 +
>>>>>> > >>>> tools/libxl/xl_cmdimpl.c | 4 ++++
>>>>>> > >>>> xen/include/public/arch-arm.h | 1 +
>>>>>> > >>>> 4 files changed, 9 insertions(+)
>>>>>> > >>>>
>>>>>> > >>>>diff --git a/tools/libxl/libxl_arm.c b/tools/libxl/libxl_arm.c
>>>>>> > >>>>index 8f15d9b..cc5a717 100644
>>>>>> > >>>>--- a/tools/libxl/libxl_arm.c
>>>>>> > >>>>+++ b/tools/libxl/libxl_arm.c
>>>>>> > >>>>@@ -77,6 +77,9 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc,
>>>>>> > >>>> return ERROR_FAIL;
>>>>>> > >>>> }
>>>>>> > >>>>
>>>>>> > >>>>+ xc_config->acpi = libxl_defbool_val(d_config->b_info.arch_arm.acpi)
>>>>>> > >>>>+ ? true : false;
>>>>>> > >>>>+
>>>>>> > >>>> return 0;
>>>>>> > >>>> }
>>>>>> > >>>>
>>>>>> > >>>>diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
>>>>>> > >>>>index ef614be..426b868 100644
>>>>>> > >>>>--- a/tools/libxl/libxl_types.idl
>>>>>> > >>>>+++ b/tools/libxl/libxl_types.idl
>>>>>> > >>>>@@ -560,6 +560,7 @@ libxl_domain_build_info = Struct("domain_build_info",[
>>>>>> > >>>>
>>>>>> > >>>>
>>>>>> > >>>> ("arch_arm", Struct(None, [("gic_version", libxl_gic_version),
>>>>>> > >>>>+ ("acpi", libxl_defbool),
>>>>>> > >>>> ])),
>>>>>> > >>>>
>>>>>> > >>>> ], dir=DIR_IN
>>>>>> > >>>>diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
>>>>>> > >>>>index 6459eec..0634ffa 100644
>>>>>> > >>>>--- a/tools/libxl/xl_cmdimpl.c
>>>>>> > >>>>+++ b/tools/libxl/xl_cmdimpl.c
>>>>>> > >>>>@@ -2506,6 +2506,10 @@ skip_usbdev:
>>>>>> > >>>> }
>>>>>> > >>>> }
>>>>>> > >>>>
>>>>>> > >>>>+ if (xlu_cfg_get_defbool(config, "acpi", &b_info->arch_arm.acpi, 0)) {
>>>>>> > >>>>+ libxl_defbool_set(&b_info->arch_arm.acpi, 0);
>>>>>> > >>>>+ }
>>>> > >>We cannot share the existing code to parse the acpi paramter because
>>>> > >>that is saved in b_info->u.hvm.acpi, right?
>>> > >Yes.
>>>> > >>It's a pity. I wonder if we
>>>> > >>could refactor the existing code so that we can actually share the acpi
>>>> > >>parameter between x86 and arm.
>>>> > >>
>>> > >I have no idea about this since I'm not familiar with this. But is there
>>> > >any downsides of current way? Because for x86, it will use
>>> > >b_info->u.hvm.acpi and for ARM it will use b_info->arch_arm.acpi. I
>>> > >think they don't conflict even though we store it at two places.
>> >
>> > Yes, there is a downside. Toolstack, such as libvirt, would need to have
>> > separate code for x86 and ARM in order to enable/disable ACPI.
>> >
>> > I would introduce a new generic acpi parameters, deprecate
>> > b_info->u.hvm.acpi. Ian, Stefano, Wei, any opinions?
>> >
> Yeah, we can deprecate that field. But we need to take care to not break
> users of the old field.
Ok, what name would you suggest?
Thanks,
--
Shannon
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next prev parent reply other threads:[~2016-07-12 3:40 UTC|newest]
Thread overview: 130+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-23 3:16 [PATCH v2 00/17] Xen ARM DomU ACPI support Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 01/17] libxl/arm: Factor out codes for generating DTB Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 02/17] libxc: Add placeholders for ACPI tables blob and size Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 03/17] libxl/arm: Add a configuration option for ARM DomU ACPI Shannon Zhao
2016-06-23 13:39 ` Stefano Stabellini
2016-06-23 14:34 ` Shannon Zhao
2016-06-27 10:40 ` Julien Grall
2016-07-07 15:30 ` Wei Liu
2016-07-12 3:40 ` Shannon Zhao [this message]
2016-07-12 9:22 ` Julien Grall
2016-07-12 11:33 ` Wei Liu
2016-07-12 14:17 ` Shannon Zhao
2016-07-12 14:33 ` Wei Liu
2016-07-12 14:45 ` Shannon Zhao
2016-07-13 7:54 ` Shannon Zhao
2016-07-13 9:20 ` Julien Grall
2016-07-13 9:48 ` Shannon Zhao
2016-07-13 10:03 ` Julien Grall
2016-07-15 8:00 ` Shannon Zhao
2016-07-15 8:07 ` Shannon Zhao
2016-07-18 19:40 ` Stefano Stabellini
2016-07-19 10:40 ` Wei Liu
2016-07-19 10:44 ` Ian Jackson
2016-06-23 15:53 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 04/17] libxl/arm: prepare for constructing ACPI tables Shannon Zhao
2016-06-23 13:37 ` Stefano Stabellini
2016-06-23 14:23 ` Shannon Zhao
2016-06-23 14:27 ` Stefano Stabellini
2016-06-23 16:18 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 05/17] libxl/arm: Construct ACPI RSDP table Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 06/17] libxl/arm: Construct ACPI XSDT table Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 07/17] libxl/arm: Construct ACPI GTDT table Shannon Zhao
2016-06-23 15:00 ` Stefano Stabellini
2016-06-23 16:19 ` Julien Grall
2016-06-23 16:26 ` Julien Grall
2016-06-23 16:58 ` Julien Grall
2016-06-27 1:44 ` Shannon Zhao
2016-06-27 10:17 ` Julien Grall
2016-06-29 9:29 ` Shannon Zhao
2016-06-29 9:42 ` Julien Grall
2016-06-29 13:41 ` Shannon Zhao
2016-07-05 16:42 ` Stefano Stabellini
2016-07-06 9:50 ` Julien Grall
2016-07-06 10:16 ` Stefano Stabellini
2016-06-23 3:16 ` [PATCH v2 08/17] libxl/arm: Factor MPIDR computing codes out as a helper Shannon Zhao
2016-06-23 16:29 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 09/17] libxl/arm: Construct ACPI MADT table Shannon Zhao
2016-06-23 16:36 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 10/17] libxl/arm: Construct ACPI FADT table Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 11/17] libxl/arm: Construct ACPI DSDT table Shannon Zhao
2016-06-23 14:50 ` Stefano Stabellini
2016-06-23 16:42 ` Julien Grall
2016-06-27 1:50 ` Shannon Zhao
2016-06-23 17:03 ` Julien Grall
2016-06-27 6:01 ` Shannon Zhao
2016-06-27 10:29 ` Julien Grall
2016-06-27 12:05 ` Boris Ostrovsky
2016-06-28 11:03 ` Shannon Zhao
2016-06-28 13:41 ` Boris Ostrovsky
2016-06-29 18:58 ` Boris Ostrovsky
2016-07-01 7:58 ` Shannon Zhao
2016-07-01 10:18 ` Julien Grall
2016-07-01 14:42 ` Boris Ostrovsky
2016-07-01 15:14 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 12/17] libxl/arm: Add a helper to calculate the ACPI table checksum Shannon Zhao
2016-06-23 17:05 ` Julien Grall
2016-06-23 3:17 ` [PATCH v2 13/17] libxl/arm: Link all ACPI tables into one buffer Shannon Zhao
2016-06-23 17:10 ` Julien Grall
2016-06-23 3:17 ` [PATCH v2 14/17] libxl/arm: Factor finalise_one_memory_node as a gerneric function Shannon Zhao
2016-06-23 3:17 ` [PATCH v2 15/17] libxl/arm: Add ACPI module Shannon Zhao
2016-06-23 18:35 ` Julien Grall
2016-06-25 3:22 ` Shannon Zhao
2016-06-27 9:48 ` Julien Grall
2016-06-23 3:17 ` [PATCH v2 16/17] libxc/xc_dom_arm: Copy ACPI tables to guest space Shannon Zhao
2016-06-23 18:46 ` Julien Grall
2016-06-27 6:25 ` Shannon Zhao
2016-06-27 10:49 ` Julien Grall
2016-06-27 12:11 ` Boris Ostrovsky
2016-07-05 17:13 ` Stefano Stabellini
2016-07-06 9:46 ` Julien Grall
2016-07-06 10:12 ` Stefano Stabellini
2016-07-12 3:47 ` Shannon Zhao
2016-07-12 9:25 ` Julien Grall
2016-07-12 11:35 ` Wei Liu
2016-07-12 14:42 ` Shannon Zhao
2016-07-12 14:50 ` Wei Liu
2016-07-12 14:57 ` Shannon Zhao
2016-07-12 15:08 ` Boris Ostrovsky
2016-07-12 15:13 ` Wei Liu
2016-07-12 15:21 ` Boris Ostrovsky
2016-07-12 16:05 ` Wei Liu
2016-07-12 16:10 ` Julien Grall
2016-07-12 16:58 ` Boris Ostrovsky
2016-07-13 15:22 ` Julien Grall
2016-07-13 17:08 ` Boris Ostrovsky
2016-07-14 11:15 ` Wei Liu
2016-07-15 9:39 ` Shannon Zhao
2016-07-19 10:38 ` Wei Liu
2016-07-20 6:52 ` Shannon Zhao
2016-07-20 9:32 ` Wei Liu
2016-07-25 7:56 ` Shannon Zhao
2016-07-28 11:10 ` Julien Grall
2016-07-14 11:29 ` Julien Grall
2016-07-14 13:37 ` Stefano Stabellini
2016-07-20 12:33 ` Julien Grall
2016-07-20 13:33 ` Boris Ostrovsky
2016-07-20 13:41 ` Julien Grall
2016-07-20 14:09 ` Boris Ostrovsky
2016-07-20 17:28 ` Stefano Stabellini
2016-07-20 19:51 ` Boris Ostrovsky
2016-07-21 17:53 ` Stefano Stabellini
2016-07-21 18:23 ` Julien Grall
2016-07-21 18:54 ` Stefano Stabellini
2016-07-21 19:14 ` Julien Grall
2016-07-21 21:15 ` Stefano Stabellini
2016-07-25 8:38 ` George Dunlap
2016-07-25 9:46 ` Julien Grall
2016-07-25 22:06 ` Stefano Stabellini
2016-07-25 22:46 ` Boris Ostrovsky
2016-07-25 23:40 ` Stefano Stabellini
2016-07-26 1:17 ` Boris Ostrovsky
2016-07-28 11:06 ` Julien Grall
2016-07-28 12:42 ` Shannon Zhao
2016-08-02 11:01 ` Wei Liu
2016-08-03 19:20 ` Julien Grall
2016-08-04 10:17 ` Wei Liu
2016-08-02 11:01 ` Wei Liu
2016-07-07 15:35 ` Wei Liu
2016-06-23 3:17 ` [PATCH v2 17/17] libxl/arm: Initialize domain param HVM_PARAM_CALLBACK_IRQ Shannon Zhao
2016-06-23 18:48 ` Julien Grall
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