[PATCH v6 1/3] conf: add 'isa' controller type

Roman Bogorodskiy bogorodskiy at gmail.com
Sun Sep 20 15:21:13 UTC 2020


Introduce 'isa' controller type. In domain XML it looks this way:

    ...
    <controller type='isa' index='0'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01'
               function='0x0'/>
    </controller>
    ...

Currently, this is needed for the bhyve driver to allow choosing a
specific PCI address for that. In bhyve, this controller is used to
attach serial ports and a boot ROM.

Signed-off-by: Roman Bogorodskiy <bogorodskiy at gmail.com>
---
 docs/schemas/domaincommon.rng  | 6 ++++++
 src/conf/domain_conf.c         | 9 +++++++++
 src/conf/domain_conf.h         | 8 ++++++++
 src/qemu/qemu_command.c        | 1 +
 src/qemu/qemu_domain.c         | 1 +
 src/qemu/qemu_domain_address.c | 1 +
 src/qemu/qemu_validate.c       | 1 +
 src/vbox/vbox_common.c         | 1 +
 8 files changed, 28 insertions(+)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index a1d6d19e2f..4b7e460148 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -2419,6 +2419,12 @@
               </attribute>
             </optional>
           </group>
+          <!-- isa -->
+          <group>
+            <attribute name="type">
+              <value>isa</value>
+            </attribute>
+          </group>
           <!-- pci has an optional attribute "model" -->
           <group>
             <attribute name="type">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4d296f7bcb..9289c147fe 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -400,6 +400,7 @@ VIR_ENUM_IMPL(virDomainController,
               "usb",
               "pci",
               "xenbus",
+              "isa",
 );
 
 VIR_ENUM_IMPL(virDomainControllerModelPCI,
@@ -445,6 +446,9 @@ VIR_ENUM_IMPL(virDomainControllerModelSCSI,
               "virtio-non-transitional",
 );
 
+VIR_ENUM_IMPL(virDomainControllerModelISA, VIR_DOMAIN_CONTROLLER_MODEL_ISA_LAST,
+);
+
 VIR_ENUM_IMPL(virDomainControllerModelUSB,
               VIR_DOMAIN_CONTROLLER_MODEL_USB_LAST,
               "piix3-uhci",
@@ -2337,6 +2341,7 @@ virDomainControllerDefNew(virDomainControllerType type)
     case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
     case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
     case VIR_DOMAIN_CONTROLLER_TYPE_CCID:
+    case VIR_DOMAIN_CONTROLLER_TYPE_ISA:
     case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
         break;
     }
@@ -11047,6 +11052,8 @@ virDomainControllerModelTypeFromString(const virDomainControllerDef *def,
         return virDomainControllerModelIDETypeFromString(model);
     else if (def->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL)
         return virDomainControllerModelVirtioSerialTypeFromString(model);
+    else if (def->type == VIR_DOMAIN_CONTROLLER_TYPE_ISA)
+        return virDomainControllerModelISATypeFromString(model);
 
     return -1;
 }
@@ -11066,6 +11073,8 @@ virDomainControllerModelTypeToString(virDomainControllerDefPtr def,
         return virDomainControllerModelIDETypeToString(model);
     else if (def->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL)
         return virDomainControllerModelVirtioSerialTypeToString(model);
+    else if (def->type == VIR_DOMAIN_CONTROLLER_TYPE_ISA)
+        return virDomainControllerModelISATypeToString(model);
 
     return NULL;
 }
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index cf76f340ee..4724206828 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -599,6 +599,7 @@ typedef enum {
     VIR_DOMAIN_CONTROLLER_TYPE_USB,
     VIR_DOMAIN_CONTROLLER_TYPE_PCI,
     VIR_DOMAIN_CONTROLLER_TYPE_XENBUS,
+    VIR_DOMAIN_CONTROLLER_TYPE_ISA,
 
     VIR_DOMAIN_CONTROLLER_TYPE_LAST
 } virDomainControllerType;
@@ -690,6 +691,12 @@ typedef enum {
     VIR_DOMAIN_CONTROLLER_MODEL_VIRTIO_SERIAL_LAST
 } virDomainControllerModelVirtioSerial;
 
+typedef enum {
+    VIR_DOMAIN_CONTROLLER_MODEL_ISA_DEFAULT = -1,
+
+    VIR_DOMAIN_CONTROLLER_MODEL_ISA_LAST
+} virDomainControllerModelISA;
+
 #define IS_USB2_CONTROLLER(ctrl) \
     (((ctrl)->type == VIR_DOMAIN_CONTROLLER_TYPE_USB) && \
      ((ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1 || \
@@ -3597,6 +3604,7 @@ VIR_ENUM_DECL(virDomainControllerModelSCSI);
 VIR_ENUM_DECL(virDomainControllerModelUSB);
 VIR_ENUM_DECL(virDomainControllerModelIDE);
 VIR_ENUM_DECL(virDomainControllerModelVirtioSerial);
+VIR_ENUM_DECL(virDomainControllerModelISA);
 VIR_ENUM_DECL(virDomainFS);
 VIR_ENUM_DECL(virDomainFSDriver);
 VIR_ENUM_DECL(virDomainFSAccessMode);
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 0ba348e911..91b59538aa 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2681,6 +2681,7 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
     case VIR_DOMAIN_CONTROLLER_TYPE_IDE:
     case VIR_DOMAIN_CONTROLLER_TYPE_FDC:
     case VIR_DOMAIN_CONTROLLER_TYPE_XENBUS:
+    case VIR_DOMAIN_CONTROLLER_TYPE_ISA:
     case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("Unsupported controller type: %s"),
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index ac443c5ddc..a73a77f2e9 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4930,6 +4930,7 @@ qemuDomainControllerDefPostParse(virDomainControllerDefPtr cont,
     case VIR_DOMAIN_CONTROLLER_TYPE_IDE:
     case VIR_DOMAIN_CONTROLLER_TYPE_FDC:
     case VIR_DOMAIN_CONTROLLER_TYPE_XENBUS:
+    case VIR_DOMAIN_CONTROLLER_TYPE_ISA:
     case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
         break;
     }
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index cbf8ffddd7..61eb53ea2c 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -678,6 +678,7 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
         case VIR_DOMAIN_CONTROLLER_TYPE_FDC:
         case VIR_DOMAIN_CONTROLLER_TYPE_CCID:
         case VIR_DOMAIN_CONTROLLER_TYPE_XENBUS:
+        case VIR_DOMAIN_CONTROLLER_TYPE_ISA:
         case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
             return 0;
         }
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 070f1c962b..e250845991 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -3241,6 +3241,7 @@ qemuValidateDomainDeviceDefController(const virDomainControllerDef *controller,
     case VIR_DOMAIN_CONTROLLER_TYPE_CCID:
     case VIR_DOMAIN_CONTROLLER_TYPE_USB:
     case VIR_DOMAIN_CONTROLLER_TYPE_XENBUS:
+    case VIR_DOMAIN_CONTROLLER_TYPE_ISA:
     case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
         break;
     }
diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index bae62f6967..9978741a64 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -397,6 +397,7 @@ vboxSetStorageController(virDomainControllerDefPtr controller,
     case VIR_DOMAIN_CONTROLLER_TYPE_USB:
     case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
     case VIR_DOMAIN_CONTROLLER_TYPE_XENBUS:
+    case VIR_DOMAIN_CONTROLLER_TYPE_ISA:
     case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("The vbox driver does not support %s controller type"),
-- 
2.27.0




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