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. Bob
> -----Original Message----- > From: Lorenzo Pieralisi [mailto:lorenzo.pieral...@arm.com] > Sent: Thursday, June 22, 2017 6:43 AM > To: Ganapatrao Kulkarni <ganapatrao.kulka...@cavium.com>; Zheng, Lv > <lv.zh...@intel.com>; Moore, Robert <robert.mo...@intel.com>; Rafael J. > Wysocki <r...@rjwysocki.net> > Cc: linux-a...@vger.kernel.org; de...@acpica.org; linux- > ker...@vger.kernel.org; linux-arm-ker...@lists.infradead.org; > marc.zyng...@arm.com; catalin.mari...@arm.com; will.dea...@arm.com; > hanjun....@linaro.org; t...@linutronix.de; ja...@lakedaemon.net; > jn...@caviumnetworks.com; gpkulka...@gmail.com > 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.kulka...@cavium.com> > > --- > > 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 > >
