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author | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-28 12:42:49 +0200 |
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committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-30 11:29:56 +0200 |
commit | 24db877ab6e6dc999016f1f29e59c7eb1539f5d3 (patch) | |
tree | 28c49e12f78e90557f805c821daa7bbbb531c648 /include | |
parent | ebf187757048e972eea1054cb1b5b54a3e47356b (diff) | |
download | qemu-24db877ab6e6dc999016f1f29e59c7eb1539f5d3.zip qemu-24db877ab6e6dc999016f1f29e59c7eb1539f5d3.tar.gz qemu-24db877ab6e6dc999016f1f29e59c7eb1539f5d3.tar.bz2 |
microvm: add pcie support
Uses the existing gpex device which is also used as pcie host bridge on
arm/aarch64. For now only a 32bit mmio window and no ioport support.
It is disabled by default, use "-machine microvm,pcie=on" to enable.
ACPI support must be enabled too because the bus is declared in the
DSDT table.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200928104256.9241-6-kraxel@redhat.com
Diffstat (limited to 'include')
-rw-r--r-- | include/hw/i386/microvm.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h index 0d61697..91b0645 100644 --- a/include/hw/i386/microvm.h +++ b/include/hw/i386/microvm.h @@ -25,6 +25,7 @@ #include "hw/boards.h" #include "hw/i386/x86.h" #include "hw/acpi/acpi_dev_interface.h" +#include "hw/pci-host/gpex.h" #include "qom/object.h" /* @@ -42,10 +43,10 @@ * 9 | acpi | acpi (ged) * 10 | pci lnk | * 11 | pci lnk | - * 12 | ps2 | - * 13 | fpu | - * 14 | ide 0 | - * 15 | ide 1 | + * 12 | ps2 | pcie + * 13 | fpu | pcie + * 14 | ide 0 | pcie + * 15 | ide 1 | pcie * 16-23 | pci gsi | virtio */ @@ -59,10 +60,17 @@ #define GED_MMIO_BASE_REGS (GED_MMIO_BASE + 0x200) #define GED_MMIO_IRQ 9 +#define PCIE_MMIO_BASE 0xc0000000 +#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" #define MICROVM_MACHINE_PIC "pic" #define MICROVM_MACHINE_RTC "rtc" +#define MICROVM_MACHINE_PCIE "pcie" #define MICROVM_MACHINE_ISA_SERIAL "isa-serial" #define MICROVM_MACHINE_OPTION_ROMS "x-option-roms" #define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline" @@ -80,6 +88,7 @@ struct MicrovmMachineState { OnOffAuto pic; OnOffAuto pit; OnOffAuto rtc; + OnOffAuto pcie; bool isa_serial; bool option_roms; bool auto_kernel_cmdline; @@ -89,6 +98,7 @@ struct MicrovmMachineState { bool kernel_cmdline_fixed; Notifier machine_done; Notifier powerdown_req; + struct GPEXConfig gpex; }; #define TYPE_MICROVM_MACHINE MACHINE_TYPE_NAME("microvm") |