diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2020-12-03 11:54:16 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-12-10 08:47:44 +0100 |
| commit | 3d09c00704adc1db4769cfa6291d96842f9674f1 (patch) | |
| tree | 743ce9b8a8ea9aec1a16047630394250b4c5798d | |
| parent | c214a7bcb6320c37777a662f38aea2a7c6919148 (diff) | |
microvm: make pcie irq base runtime changeable
Allows to move them in case we have enough
irq lines available.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-6-kraxel@redhat.com
| -rw-r--r-- | hw/i386/microvm.c | 11 | ||||
| -rw-r--r-- | include/hw/i386/microvm.h | 2 |
2 files changed, 7 insertions, 6 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index e92f236bf4..5e4182b474 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -181,6 +181,7 @@ 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; } @@ -226,12 +227,12 @@ 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; } diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h index c5d60bacb5..f1e9db059b 100644 --- a/include/hw/i386/microvm.h +++ b/include/hw/i386/microvm.h @@ -66,7 +66,6 @@ #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" @@ -96,6 +95,7 @@ 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; |