Merge remote-tracking branch 'remotes/kraxel/tags/microvm-20200930-pull-request' into staging

microvm: add pcie support.

# gpg: Signature made Wed 30 Sep 2020 18:48:41 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/microvm-20200930-pull-request:
  tests/acpi: update expected data files
  acpi/gpex: no reason to use a method for _CRS
  tests/acpi: add microvm pcie test
  tests/acpi: factor out common microvm test setup
  tests/acpi: add empty tests/data/acpi/microvm/DSDT.pcie file
  tests/acpi: allow updates for expected data files
  microvm/pcie: add 64bit mmio window
  microvm: add pcie support
  microvm: add irq table
  arm: use acpi_dsdt_add_gpex
  acpi: add acpi_dsdt_add_gpex
  move MemMapEntry

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

4 files changed, 48 insertions, 5 deletions

diff --git a/include/exec/hwaddr.h b/include/exec/hwaddr.h
index a71c93cc81..8f16d179a8 100644
--- a/include/exec/hwaddr.h
+++ b/include/exec/hwaddr.h
@@ -18,4 +18,9 @@ typedef uint64_t hwaddr;
 #define HWADDR_PRIx PRIx64
 #define HWADDR_PRIX PRIX64
 
+typedef struct MemMapEntry {
+    hwaddr base;
+    hwaddr size;
+} MemMapEntry;
+
 #endif
diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
index d018a4f297..655b895d5e 100644
--- a/include/hw/arm/virt.h
+++ b/include/hw/arm/virt.h
@@ -111,11 +111,6 @@ typedef enum VirtGICType {
     VIRT_GIC_VERSION_NOSEL,
 } VirtGICType;
 
-typedef struct MemMapEntry {
-    hwaddr base;
-    hwaddr size;
-} MemMapEntry;
-
 struct VirtMachineClass {
     MachineClass parent;
     bool disallow_affinity_adjustment;
diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 3b9fd4ff17..91b064575d 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -25,8 +25,31 @@
 #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"
 
+/*
+ *  IRQ    |  pc        | microvm (acpi=on)
+ * --------+------------+------------------
+ *   0     |  pit       |
+ *   1     |  kbd       |
+ *   2     |  cascade   |
+ *   3     |  serial 1  |
+ *   4     |  serial 0  | serial
+ *   5     |  -         |
+ *   6     |  floppy    |
+ *   7     |  parallel  |
+ *   8     |  rtc       | rtc (rtc=on)
+ *   9     |  acpi      | acpi (ged)
+ *  10     |  pci lnk   |
+ *  11     |  pci lnk   |
+ *  12     |  ps2       | pcie
+ *  13     |  fpu       | pcie
+ *  14     |  ide 0     | pcie
+ *  15     |  ide 1     | pcie
+ *  16-23  |  pci gsi   | virtio
+ */
+
 /* Platform virtio definitions */
 #define VIRTIO_MMIO_BASE      0xfeb00000
 #define VIRTIO_NUM_TRANSPORTS 8
@@ -37,10 +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"
@@ -58,6 +88,7 @@ struct MicrovmMachineState {
     OnOffAuto pic;
     OnOffAuto pit;
     OnOffAuto rtc;
+    OnOffAuto pcie;
     bool isa_serial;
     bool option_roms;
     bool auto_kernel_cmdline;
@@ -67,6 +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")
diff --git a/include/hw/pci-host/gpex.h b/include/hw/pci-host/gpex.h
index 7abdb8b406..d52ea80d4e 100644
--- a/include/hw/pci-host/gpex.h
+++ b/include/hw/pci-host/gpex.h
@@ -20,6 +20,7 @@
 #ifndef HW_GPEX_H
 #define HW_GPEX_H
 
+#include "exec/hwaddr.h"
 #include "hw/sysbus.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/pcie_host.h"
@@ -52,6 +53,16 @@ struct GPEXHost {
     int irq_num[GPEX_NUM_IRQS];
 };
 
+struct GPEXConfig {
+    MemMapEntry ecam;
+    MemMapEntry mmio32;
+    MemMapEntry mmio64;
+    MemMapEntry pio;
+    int         irq;
+};
+
 int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
 
+void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg);
+
 #endif /* HW_GPEX_H */