Re: [PATCH v4 1/2] ACPICA: ACPI 6.2: Add support for new SRAT subtable

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On Thu, Jun 22, 2017 at 7:57 PM, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> On Thursday, June 22, 2017 02:13:18 PM Moore, Robert wrote:
>> This support is already in the ACPICA code base, but I can't speak to when it will be upstreamed to Linux. Lv would know this.
>
> It should be there in linux-next already AFAICS.
>
> Lorenzo, can you please double check?

thanks Rafael, this is added to linux-next on june12 [1].

When i sent my first version i.e on June 6, it was not there, hence i
have added to this series.
my bad, i have not checked when i sent subsequent versions.
this patch can be dropped.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/include/acpi/actbl1.h?id=a618c7f89a02f3c67a8f200855cff398855e3888

>
> Thanks,
> Rafael
>
>
>> > -----Original Message-----
>> > From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@xxxxxxx]
>> > Sent: Thursday, June 22, 2017 6:43 AM
>> > To: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>; Zheng, Lv
>> > <lv.zheng@xxxxxxxxx>; Moore, Robert <robert.moore@xxxxxxxxx>; Rafael J.
>> > Wysocki <rjw@xxxxxxxxxxxxx>
>> > Cc: linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx; linux-
>> > kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
>> > marc.zyngier@xxxxxxx; catalin.marinas@xxxxxxx; will.deacon@xxxxxxx;
>> > hanjun.guo@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; jason@xxxxxxxxxxxxxx;
>> > jnair@xxxxxxxxxxxxxxxxxx; gpkulkarni@xxxxxxxxx
>> > Subject: Re: [PATCH v4 1/2] ACPICA: ACPI 6.2: Add support for new SRAT
>> > subtable
>> >
>> > Hi Rafael, Lv, Robert,
>> >
>> > On Thu, Jun 22, 2017 at 11:40:11AM +0530, Ganapatrao Kulkarni wrote:
>> > > Add GIC ITS Affinity (ACPI 6.2) subtable to SRAT table.
>> > >
>> > > ACPICA commit 5bc67f63918da249bfe279ee461d152bb3e6f55b
>> > > Link: https://github.com/acpica/acpica/commit/5bc67f6
>> > >
>> > > Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>
>> > > ---
>> > >  include/acpi/actbl1.h | 12 +++++++++++-
>> > >  1 file changed, 11 insertions(+), 1 deletion(-)
>> >
>> > This patch is fine to me but it is up to you or who sends the ACPICA
>> > pull request to send it upstream or give us an ACK so that it can go via
>> > irqchip.
>> >
>> > We need to know how this commit (and other ACPICA changes) will be sent
>> > upstream to handle trees dependencies, please advise it is a bit urgent,
>> > thank you.
>> >
>> > Lorenzo
>> >
>> > > diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index
>> > > b4ce55c..253c9db 100644
>> > > --- a/include/acpi/actbl1.h
>> > > +++ b/include/acpi/actbl1.h
>> > > @@ -1192,7 +1192,8 @@ enum acpi_srat_type {
>> > >   ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
>> > >   ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
>> > >   ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
>> > > - ACPI_SRAT_TYPE_RESERVED = 4     /* 4 and greater are reserved */
>> > > + ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4,    /* ACPI 6.2 */
>> > > + ACPI_SRAT_TYPE_RESERVED = 5     /* 5 and greater are reserved */
>> > >  };
>> > >
>> > >  /*
>> > > @@ -1260,6 +1261,15 @@ struct acpi_srat_gicc_affinity {
>> > >   u32 clock_domain;
>> > >  };
>> > >
>> > > +/* 4: GIC ITS Affinity (ACPI 6.2) */
>> > > +
>> > > +struct acpi_srat_its_affinity {
>> > > + struct acpi_subtable_header header;
>> > > + u32 proximity_domain;
>> > > + u16 reserved;
>> > > + u32 its_id;
>> > > +};
>> > > +
>> > >  /* Flags for struct acpi_srat_gicc_affinity */
>> > >
>> > >  #define ACPI_SRAT_GICC_ENABLED     (1)   /* 00: Use affinity structure
>> > */
>> > > --
>> > > 1.8.1.4
>> > >
>

thanks
Ganapat
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