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Mon, 24 Jun 2019 11:21:59 +0000 (UTC) Received: from localhost (unknown [10.43.2.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8CD8B608D0; Mon, 24 Jun 2019 11:21:53 +0000 (UTC) Date: Mon, 24 Jun 2019 13:21:49 +0200 From: Igor Mammedov To: Dongjiu Geng Message-ID: <20190624132149.3c79fadc@redhat.com> In-Reply-To: <1557832703-42620-4-git-send-email-gengdongjiu@huawei.com> References: <1557832703-42620-1-git-send-email-gengdongjiu@huawei.com> <1557832703-42620-4-git-send-email-gengdongjiu@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 24 Jun 2019 11:22:01 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH v17 03/10] acpi: add build_append_ghes_notify() helper for Hardware Error Notification X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, mtosatti@redhat.com, qemu-devel@nongnu.org, linuxarm@huawei.com, shannon.zhaosl@gmail.com, zhengxiang9@huawei.com, qemu-arm@nongnu.org, james.morse@arm.com, xuwei5@huawei.com, jonathan.cameron@huawei.com, pbonzini@redhat.com, lersek@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, 14 May 2019 04:18:16 -0700 Dongjiu Geng wrote: > It will help to add Hardware Error Notification to ACPI tables > without using packed C structures and avoid endianness > issues as API doesn't need explicit conversion. > > Signed-off-by: Dongjiu Geng > --- > hw/acpi/aml-build.c | 22 ++++++++++++++++++++++ > include/hw/acpi/aml-build.h | 8 ++++++++ > 2 files changed, 30 insertions(+) > > diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c > index 555c24f..fb53f21 100644 > --- a/hw/acpi/aml-build.c > +++ b/hw/acpi/aml-build.c > @@ -274,6 +274,28 @@ void build_append_gas(GArray *table, AmlAddressSpace as, > build_append_int_noprefix(table, address, 8); > } > > +/* Hardware Error Notification > + * ACPI 4.0: 17.3.2.7 Hardware Error Notification > + */ > +void build_append_ghes_notify(GArray *table, const uint8_t type, > + uint8_t length, uint16_t config_write_enable, > + uint32_t poll_interval, uint32_t vector, > + uint32_t polling_threshold_value, > + uint32_t polling_threshold_window, > + uint32_t error_threshold_value, > + uint32_t error_threshold_window) > +{ > + build_append_int_noprefix(table, type, 1); /* type */ comment should be verbatim copy from spec, in this case /* Type */ also do the same for other fields below other than that patch looks good to me > + build_append_int_noprefix(table, length, 1); > + build_append_int_noprefix(table, config_write_enable, 2); > + build_append_int_noprefix(table, poll_interval, 4); > + build_append_int_noprefix(table, vector, 4); > + build_append_int_noprefix(table, polling_threshold_value, 4); > + build_append_int_noprefix(table, polling_threshold_window, 4); > + build_append_int_noprefix(table, error_threshold_value, 4); > + build_append_int_noprefix(table, error_threshold_window, 4); > +} > + > /* > * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword, > * and return the offset to 0x00000000 for runtime patching. > diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h > index 1a563ad..90c8ef8 100644 > --- a/include/hw/acpi/aml-build.h > +++ b/include/hw/acpi/aml-build.h > @@ -411,6 +411,14 @@ build_append_gas_from_struct(GArray *table, const struct AcpiGenericAddress *s) > s->access_width, s->address); > } > > +void build_append_ghes_notify(GArray *table, const uint8_t type, > + uint8_t length, uint16_t config_write_enable, > + uint32_t poll_interval, uint32_t vector, > + uint32_t polling_threshold_value, > + uint32_t polling_threshold_window, > + uint32_t error_threshold_value, > + uint32_t error_threshold_window); > + > void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, > uint64_t len, int node, MemoryAffinityFlags flags); >