[Xen-devel] [PATCH v2 3/4] tools/libacpi: don't announce a 8042 controller in the FADT for PVHv2 guests

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

There's no such controler available for PVHv2 guests.

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: boris.ostrovsky@xxxxxxxxxx
Cc: konrad.wilk@xxxxxxxxxx
---
 tools/firmware/hvmloader/util.c | 2 +-
 tools/libacpi/build.c           | 2 ++
 tools/libacpi/libacpi.h         | 1 +
 tools/libacpi/static_tables.c   | 1 -
 4 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c
index 3e192bf..3f86c88 100644
--- a/tools/firmware/hvmloader/util.c
+++ b/tools/firmware/hvmloader/util.c
@@ -949,7 +949,7 @@ 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_VGA);
+                            ACPI_HAS_VGA | ACPI_HAS_8042);
 
     config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS;
 
diff --git a/tools/libacpi/build.c b/tools/libacpi/build.c
index 8799e2c..844dea1 100644
--- a/tools/libacpi/build.c
+++ b/tools/libacpi/build.c
@@ -581,6 +581,8 @@ int acpi_build_tables(struct acpi_ctxt *ctxt, struct 
acpi_config *config)
     fadt->x_firmware_ctrl = ctxt->mem_ops.v2p(ctxt, facs);
     if ( !(config->table_flags & ACPI_HAS_VGA) )
         fadt->iapc_boot_arch |= ACPI_FADT_NO_VGA;
+    if ( config->table_flags & ACPI_HAS_8042 )
+        fadt->iapc_boot_arch |= ACPI_FADT_8042;
     set_checksum(fadt,
                  offsetof(struct acpi_header, checksum),
                  sizeof(struct acpi_20_fadt));
diff --git a/tools/libacpi/libacpi.h b/tools/libacpi/libacpi.h
index d7ea6e1..e0f1537 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_VGA         (1<<10)
+#define ACPI_HAS_8042        (1<<11)
 
 struct xen_vmemrange;
 struct acpi_numa {
diff --git a/tools/libacpi/static_tables.c b/tools/libacpi/static_tables.c
index 617bf68..1f6247d 100644
--- a/tools/libacpi/static_tables.c
+++ b/tools/libacpi/static_tables.c
@@ -63,7 +63,6 @@ struct acpi_20_fadt Fadt = {
 
     .p_lvl2_lat = 0x0fff, /* >100,  means we do not support C2 state */
     .p_lvl3_lat = 0x0fff, /* >1000, means we do not support C3 state */
-    .iapc_boot_arch = ACPI_8042,
     .flags = (ACPI_PROC_C1 |
               ACPI_WBINVD |
               ACPI_FIX_RTC | ACPI_TMR_VAL_EXT |
-- 
2.9.3 (Apple Git-75)


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