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Re: [Qemu-devel] [PATCH v2 1/5] pci: conventional-pci-device and pci-exp


From: Marcel Apfelbaum
Subject: Re: [Qemu-devel] [PATCH v2 1/5] pci: conventional-pci-device and pci-express-device interfaces
Date: Thu, 28 Sep 2017 12:08:28 +0300
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

On 27/09/2017 22:56, Eduardo Habkost wrote:
Those two interfaces will be used to indicate which device types
support Conventional PCI or PCI Express buses.  Management
software will be able to use the qom-list-types QMP command to
query that information.

Signed-off-by: Eduardo Habkost <address@hidden>
---
Changes v1 -> v2:
* s/legacy/conventional/
   * Suggested-by: Alex Williamson <address@hidden>
---
  include/hw/pci/pci.h |  6 ++++++
  hw/pci/pci.c         | 12 ++++++++++++
  2 files changed, 18 insertions(+)

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index aa7ef9cf69..8d02a0a383 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -198,6 +198,12 @@ enum {
  #define PCI_DEVICE_GET_CLASS(obj) \
       OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE)
+/* Implemented by devices that can be plugged on PCI Express buses */
+#define INTERFACE_PCIE_DEVICE "pci-express-device"
+
+/* Implemented by devices that can be plugged on Conventional PCI buses */
+#define INTERFACE_CONVENTIONAL_PCI_DEVICE "conventional-pci-device"
+
  typedef struct PCIINTxRoute {
      enum {
          PCI_INTX_ENABLED,
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 1e6fb88eba..1b08e18205 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -170,6 +170,16 @@ static const TypeInfo pci_bus_info = {
      .class_init = pci_bus_class_init,
  };
+static const TypeInfo pcie_interface_info = {
+    .name          = INTERFACE_PCIE_DEVICE,
+    .parent        = TYPE_INTERFACE,
+};
+
+static const TypeInfo conventional_pci_interface_info = {
+    .name          = INTERFACE_CONVENTIONAL_PCI_DEVICE,
+    .parent        = TYPE_INTERFACE,
+};
+
  static const TypeInfo pcie_bus_info = {
      .name = TYPE_PCIE_BUS,
      .parent = TYPE_PCI_BUS,
@@ -2667,6 +2677,8 @@ static void pci_register_types(void)
  {
      type_register_static(&pci_bus_info);
      type_register_static(&pcie_bus_info);
+    type_register_static(&conventional_pci_interface_info);
+    type_register_static(&pcie_interface_info);
      type_register_static(&pci_device_type_info);
  }


Reviewed-by: Marcel Apfelbaum <address@hidden>

Thanks,
Marcel





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