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From 5ccdcc1c49246cce9b1536e28a4977c65d72531c Mon Sep 17 00:00:00 2001
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Wed, 11 May 2016 12:33:47 +0200
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Subject: [PATCH 08/10] acpi: add function to extract oem_id and oem_table_id
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from the user's SLIC
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RH-Author: Laszlo Ersek <lersek@redhat.com>
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Message-id: <1462970028-10959-7-git-send-email-lersek@redhat.com>
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Patchwork-id: 70383
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O-Subject: [RHEL-7.3 qemu-kvm PATCH v2 6/7] acpi: add function to extract oem_id and oem_table_id from the user's SLIC
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Bugzilla: 1330969
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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The acpi_get_slic_oem() function stores pointers to these fields in the
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(first) SLIC table that the user passes in with the -acpitable switch.
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Cc: "Michael S. Tsirkin" <mst@redhat.com> (supporter:ACPI/SMBIOS)
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Cc: Igor Mammedov <imammedo@redhat.com> (supporter:ACPI/SMBIOS)
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Cc: Richard W.M. Jones <rjones@redhat.com>
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Cc: Aleksei Kovura <alex3kov@zoho.com>
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Cc: Michael Tokarev <mjt@tls.msk.ru>
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Cc: Steven Newbury <steve@snewbury.org.uk>
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RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1248758
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LP: https://bugs.launchpad.net/qemu/+bug/1533848
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Reviewed-by: Steven Newbury <steve@snewbury.org.uk>
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(cherry picked from commit 88594e4fd1e916b778968b2bdd8d7375ca2fe8d8)
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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---
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include/hw/acpi/acpi.h | 7 +++++++
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hw/acpi/core.c | 16 ++++++++++++++++
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2 files changed, 23 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/acpi/core.c | 16 ++++++++++++++++
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include/hw/acpi/acpi.h | 7 +++++++
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2 files changed, 23 insertions(+)
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diff --git a/hw/acpi/core.c b/hw/acpi/core.c
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index 88efba7..99c5918 100644
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--- a/hw/acpi/core.c
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+++ b/hw/acpi/core.c
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@@ -349,6 +349,22 @@ uint8_t *acpi_table_next(uint8_t *current)
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}
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}
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+int acpi_get_slic_oem(AcpiSlicOem *oem)
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+{
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+ uint8_t *u;
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+
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+ for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
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+ struct acpi_table_header *hdr = (void *)(u - sizeof(hdr->_length));
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+
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+ if (memcmp(hdr->sig, "SLIC", 4) == 0) {
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+ oem->id = hdr->oem_id;
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+ oem->table_id = hdr->oem_table_id;
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+ return 0;
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+ }
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+ }
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+ return -1;
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+}
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+
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static void acpi_notify_wakeup(Notifier *notifier, void *data)
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{
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ACPIREGS *ar = container_of(notifier, ACPIREGS, wakeup);
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diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
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index bb7136d..1e59ec9 100644
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--- a/include/hw/acpi/acpi.h
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+++ b/include/hw/acpi/acpi.h
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@@ -171,4 +171,11 @@ unsigned acpi_table_len(void *current);
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void acpi_table_add(const QemuOpts *opts, Error **errp);
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void acpi_table_add_builtin(const QemuOpts *opts, Error **errp);
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+typedef struct AcpiSlicOem AcpiSlicOem;
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+struct AcpiSlicOem {
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+ char *id;
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+ char *table_id;
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+};
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+int acpi_get_slic_oem(AcpiSlicOem *oem);
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+
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#endif /* !QEMU_HW_ACPI_H */
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--
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1.8.3.1
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