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x86: make pci irqs runtime configurable

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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
This commit is contained in:
Gerd Hoffmann 2020-10-16 13:38:31 +02:00
parent e6b5a0718a
commit 1b2802c49f
3 changed files with 4 additions and 2 deletions
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3
hw/i386/acpi-common.c
View File

@ -115,8 +115,7 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
if (has_pci) { if (has_pci) {
for (i = 1; i < 16; i++) { for (i = 1; i < 16; i++) {
#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11)) if (!(x86ms->pci_irq_mask & (1 << i))) {
if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
/* No need for a INT source override structure. */ /* No need for a INT source override structure. */
continue; continue;
} }

1
hw/i386/x86.c
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@ -1178,6 +1178,7 @@ static void x86_machine_initfn(Object *obj)
x86ms->smm = ON_OFF_AUTO_AUTO; x86ms->smm = ON_OFF_AUTO_AUTO;
x86ms->acpi = ON_OFF_AUTO_AUTO; x86ms->acpi = ON_OFF_AUTO_AUTO;
x86ms->smp_dies = 1; x86ms->smp_dies = 1;
x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS;
} }
static void x86_machine_class_init(ObjectClass *oc, void *data) static void x86_machine_class_init(ObjectClass *oc, void *data)

2
include/hw/i386/x86.h
View File

@ -58,6 +58,7 @@ struct X86MachineState {
/* CPU and apic information: */ /* CPU and apic information: */
bool apic_xrupt_override; bool apic_xrupt_override;
unsigned pci_irq_mask;
unsigned apic_id_limit; unsigned apic_id_limit;
uint16_t boot_cpus; uint16_t boot_cpus;
unsigned smp_dies; unsigned smp_dies;
@ -114,6 +115,7 @@ bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);
/* Global System Interrupts */ /* Global System Interrupts */
#define GSI_NUM_PINS IOAPIC_NUM_PINS #define GSI_NUM_PINS IOAPIC_NUM_PINS
#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
typedef struct GSIState { typedef struct GSIState {
qemu_irq i8259_irq[ISA_NUM_IRQS]; qemu_irq i8259_irq[ISA_NUM_IRQS];