[Xen-devel] [PATCH v2 05/11] acpi: Power and Sleep ACPI buttons are not emulated for PVH guests

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
Changes in v2:
* HVM guests continue having the buttons

 tools/firmware/hvmloader/util.c | 3 ++-
 tools/libacpi/build.c           | 2 ++
 tools/libacpi/libacpi.h         | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c
index 1d78973..a3f12fe 100644
--- a/tools/firmware/hvmloader/util.c
+++ b/tools/firmware/hvmloader/util.c
@@ -949,7 +949,8 @@ void hvmloader_acpi_build_tables(struct acpi_config *config,
         config->table_flags |= ACPI_HAS_SSDT_S4;
 
     config->table_flags |= (ACPI_HAS_TCPA | ACPI_HAS_IOAPIC |
-                            ACPI_HAS_WAET | ACPI_HAS_PMTIMER);
+                            ACPI_HAS_WAET | ACPI_HAS_PMTIMER |
+                            ACPI_HAS_BUTTONS);
 
     config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS;
 
diff --git a/tools/libacpi/build.c b/tools/libacpi/build.c
index 58822d3..5c4a818 100644
--- a/tools/libacpi/build.c
+++ b/tools/libacpi/build.c
@@ -579,6 +579,8 @@ int acpi_build_tables(struct acpi_ctxt *ctxt, struct 
acpi_config *config)
         Fadt.pm_tmr_blk = 0;
         memset(&Fadt.x_pm_tmr_blk, 0, sizeof(Fadt.x_pm_tmr_blk));
     }
+    if ( !(config->table_flags & ACPI_HAS_BUTTONS) )
+        Fadt.flags |= (ACPI_PWR_BUTTON | ACPI_SLP_BUTTON);
     memcpy(fadt, &Fadt, sizeof(struct acpi_20_fadt));
     fadt->dsdt   = ctxt->mem_ops.v2p(ctxt, dsdt);
     fadt->x_dsdt = ctxt->mem_ops.v2p(ctxt, dsdt);
diff --git a/tools/libacpi/libacpi.h b/tools/libacpi/libacpi.h
index bda692e..dd6ef8b 100644
--- a/tools/libacpi/libacpi.h
+++ b/tools/libacpi/libacpi.h
@@ -31,6 +31,7 @@
 #define ACPI_HAS_IOAPIC      (1<<8)
 #define ACPI_HAS_WAET        (1<<9)
 #define ACPI_HAS_PMTIMER     (1<<10)
+#define ACPI_HAS_BUTTONS     (1<<11)
 
 struct xen_vmemrange;
 struct acpi_numa {
-- 
2.7.4


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