[PATCH 2/4] microvm: make pcie irq base runtime configurable

[Gerd Hoffmann <kraxel@redhat.com>]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/hw/i386/microvm.h |  2 +-
 hw/i386/microvm.c         | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 0154ad5bd707..ede9625756b8 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -63,7 +63,6 @@
 #define PCIE_MMIO_SIZE        0x20000000
 #define PCIE_ECAM_BASE        0xe0000000
 #define PCIE_ECAM_SIZE        0x10000000
-#define PCIE_IRQ_BASE         12
 
 /* Machine type options */
 #define MICROVM_MACHINE_PIT                 "pit"
@@ -93,6 +92,7 @@ struct MicrovmMachineState {
     bool auto_kernel_cmdline;
 
     /* Machine state */
+    uint32_t pcie_irq_base;
     uint32_t virtio_irq_base;
     uint32_t virtio_num_transports;
     bool kernel_cmdline_fixed;
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index eaf5da31f7e1..638e95c39e8c 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -180,6 +180,7 @@ static void microvm_devices_init(MicrovmMachineState *mms)
     mms->virtio_irq_base = 5;
     mms->virtio_num_transports = 8;
     if (x86_machine_is_acpi_enabled(x86ms)) {
+        mms->pcie_irq_base = 12;
         mms->virtio_irq_base = 16;
     }
 
@@ -213,12 +214,12 @@ static void microvm_devices_init(MicrovmMachineState *mms)
         mms->gpex.mmio32.size = PCIE_MMIO_SIZE;
         mms->gpex.ecam.base   = PCIE_ECAM_BASE;
         mms->gpex.ecam.size   = PCIE_ECAM_SIZE;
-        mms->gpex.irq         = PCIE_IRQ_BASE;
+        mms->gpex.irq         = mms->pcie_irq_base;
         create_gpex(mms);
-        x86ms->pci_irq_mask = ((1 << (PCIE_IRQ_BASE + 0)) |
-                               (1 << (PCIE_IRQ_BASE + 1)) |
-                               (1 << (PCIE_IRQ_BASE + 2)) |
-                               (1 << (PCIE_IRQ_BASE + 3)));
+        x86ms->pci_irq_mask = ((1 << (mms->pcie_irq_base + 0)) |
+                               (1 << (mms->pcie_irq_base + 1)) |
+                               (1 << (mms->pcie_irq_base + 2)) |
+                               (1 << (mms->pcie_irq_base + 3)));
     } else {
         x86ms->pci_irq_mask = 0;
     }
-- 
2.27.0