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authorGerd Hoffmann <kraxel@redhat.com>2020-10-16 13:38:31 +0200
committerGerd Hoffmann <kraxel@redhat.com>2020-10-21 11:36:05 +0200
commit1b2802c49f60f9de2c24afb5883dafa60d3f3345 (patch)
treeedd90999d9b3dba5cf5ae4e86e6061bf69ed2593
parente6b5a0718afb2a88b2d4b88ddc250125e994f423 (diff)
downloadfocaccia-qemu-1b2802c49f60f9de2c24afb5883dafa60d3f3345.tar.gz
focaccia-qemu-1b2802c49f60f9de2c24afb5883dafa60d3f3345.zip
x86: make pci irqs runtime configurable
Add a variable to x86 machine state instead of
hard-coding the PCI interrupts.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201016113835.17465-4-kraxel@redhat.com
-rw-r--r--hw/i386/acpi-common.c3
-rw-r--r--hw/i386/x86.c1
-rw-r--r--include/hw/i386/x86.h2
3 files changed, 4 insertions, 2 deletions
diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c
index ab9b00581a..1584abb3e6 100644
--- a/hw/i386/acpi-common.c
+++ b/hw/i386/acpi-common.c
@@ -115,8 +115,7 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
 
     if (has_pci) {
         for (i = 1; i < 16; i++) {
-#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
-            if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
+            if (!(x86ms->pci_irq_mask & (1 << i))) {
                 /* No need for a INT source override structure. */
                 continue;
             }
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 3137a20085..5944fc44ed 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -1178,6 +1178,7 @@ static void x86_machine_initfn(Object *obj)
     x86ms->smm = ON_OFF_AUTO_AUTO;
     x86ms->acpi = ON_OFF_AUTO_AUTO;
     x86ms->smp_dies = 1;
+    x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS;
 }
 
 static void x86_machine_class_init(ObjectClass *oc, void *data)
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index d5dcf7a07f..bfa9cb2a25 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -58,6 +58,7 @@ struct X86MachineState {
 
     /* CPU and apic information: */
     bool apic_xrupt_override;
+    unsigned pci_irq_mask;
     unsigned apic_id_limit;
     uint16_t boot_cpus;
     unsigned smp_dies;
@@ -114,6 +115,7 @@ bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);
 /* Global System Interrupts */
 
 #define GSI_NUM_PINS IOAPIC_NUM_PINS
+#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
 
 typedef struct GSIState {
     qemu_irq i8259_irq[ISA_NUM_IRQS];