#ifndef QEMU_VIRTIO_PCI_H
#define QEMU_VIRTIO_PCI_H
+#include "qapi/error.h"
#include "hw/pci/msi.h"
-#include "hw/virtio/virtio-blk.h"
-#include "hw/virtio/virtio-net.h"
-#include "hw/virtio/virtio-rng.h"
-#include "hw/virtio/virtio-serial.h"
-#include "hw/virtio/virtio-scsi.h"
-#include "hw/virtio/virtio-balloon.h"
#include "hw/virtio/virtio-bus.h"
-#include "hw/virtio/virtio-input.h"
-#include "hw/virtio/virtio-gpu.h"
-#include "hw/virtio/virtio-crypto.h"
-#include "hw/virtio/vhost-user-scsi.h"
-
-#ifdef CONFIG_VIRTFS
-#include "hw/9pfs/virtio-9p.h"
-#endif
-#ifdef CONFIG_VHOST_SCSI
-#include "hw/virtio/vhost-scsi.h"
-#endif
-#ifdef CONFIG_VHOST_VSOCK
-#include "hw/virtio/vhost-vsock.h"
-#endif
typedef struct VirtIOPCIProxy VirtIOPCIProxy;
-typedef struct VirtIOBlkPCI VirtIOBlkPCI;
-typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
-typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
-typedef struct VirtIOSerialPCI VirtIOSerialPCI;
-typedef struct VirtIONetPCI VirtIONetPCI;
-typedef struct VHostSCSIPCI VHostSCSIPCI;
-typedef struct VHostUserSCSIPCI VHostUserSCSIPCI;
-typedef struct VirtIORngPCI VirtIORngPCI;
-typedef struct VirtIOInputPCI VirtIOInputPCI;
-typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI;
-typedef struct VirtIOInputHostPCI VirtIOInputHostPCI;
-typedef struct VirtIOGPUPCI VirtIOGPUPCI;
-typedef struct VHostVSockPCI VHostVSockPCI;
-typedef struct VirtIOCryptoPCI VirtIOCryptoPCI;
/* virtio-pci-bus */
uint32_t used[2];
} VirtIOPCIQueue;
+typedef enum {
+ VIRTIO_PCI_MODE_LEGACY,
+ VIRTIO_PCI_MODE_TRANSITIONAL,
+ VIRTIO_PCI_MODE_MODERN,
+} VirtIOPCIMode;
+
struct VirtIOPCIProxy {
PCIDevice pci_dev;
MemoryRegion bar;
bool disable_modern;
bool ignore_backend_features;
OnOffAuto disable_legacy;
+ VirtIOPCIMode mode;
uint32_t class_code;
uint32_t nvectors;
uint32_t dfselect;
static inline bool virtio_pci_modern(VirtIOPCIProxy *proxy)
{
- return !proxy->disable_modern;
+ return proxy->mode != VIRTIO_PCI_MODE_LEGACY;
}
static inline bool virtio_pci_legacy(VirtIOPCIProxy *proxy)
{
- return proxy->disable_legacy == ON_OFF_AUTO_OFF;
+ return proxy->mode != VIRTIO_PCI_MODE_MODERN;
}
-static inline void virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy)
+static inline bool virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy,
+ Error **errp)
{
- proxy->disable_modern = false;
- proxy->disable_legacy = ON_OFF_AUTO_ON;
+ if (proxy->disable_legacy == ON_OFF_AUTO_OFF) {
+ error_setg(errp, "Unable to set disable-legacy=off on a virtio-1.0 "
+ "only device");
+ return false;
+ }
+ if (proxy->disable_modern == true) {
+ error_setg(errp, "Unable to set disable-modern=on on a virtio-1.0 "
+ "only device");
+ return false;
+ }
+ proxy->mode = VIRTIO_PCI_MODE_MODERN;
+ return true;
}
static inline void virtio_pci_disable_modern(VirtIOPCIProxy *proxy)
{
- proxy->disable_modern = true;
+ proxy->mode = VIRTIO_PCI_MODE_LEGACY;
}
-/*
- * virtio-scsi-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci"
-#define VIRTIO_SCSI_PCI(obj) \
- OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI)
-
-struct VirtIOSCSIPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOSCSI vdev;
-};
-
-#ifdef CONFIG_VHOST_SCSI
-/*
- * vhost-scsi-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci"
-#define VHOST_SCSI_PCI(obj) \
- OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI)
-
-struct VHostSCSIPCI {
- VirtIOPCIProxy parent_obj;
- VHostSCSI vdev;
-};
-#endif
-
-#define TYPE_VHOST_USER_SCSI_PCI "vhost-user-scsi-pci"
-#define VHOST_USER_SCSI_PCI(obj) \
- OBJECT_CHECK(VHostUserSCSIPCI, (obj), TYPE_VHOST_USER_SCSI_PCI)
-
-struct VHostUserSCSIPCI {
- VirtIOPCIProxy parent_obj;
- VHostUserSCSI vdev;
-};
-
-/*
- * virtio-blk-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci"
-#define VIRTIO_BLK_PCI(obj) \
- OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
-
-struct VirtIOBlkPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOBlock vdev;
-};
-
-/*
- * virtio-balloon-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci"
-#define VIRTIO_BALLOON_PCI(obj) \
- OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI)
-
-struct VirtIOBalloonPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOBalloon vdev;
-};
-
-/*
- * virtio-serial-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci"
-#define VIRTIO_SERIAL_PCI(obj) \
- OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI)
-
-struct VirtIOSerialPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOSerial vdev;
-};
-
-/*
- * virtio-net-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_NET_PCI "virtio-net-pci"
-#define VIRTIO_NET_PCI(obj) \
- OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI)
-
-struct VirtIONetPCI {
- VirtIOPCIProxy parent_obj;
- VirtIONet vdev;
-};
-
-/*
- * virtio-9p-pci: This extends VirtioPCIProxy.
- */
-
-#ifdef CONFIG_VIRTFS
-
-#define TYPE_VIRTIO_9P_PCI "virtio-9p-pci"
-#define VIRTIO_9P_PCI(obj) \
- OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI)
-
-typedef struct V9fsPCIState {
- VirtIOPCIProxy parent_obj;
- V9fsVirtioState vdev;
-} V9fsPCIState;
-
-#endif
-
-/*
- * virtio-rng-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci"
-#define VIRTIO_RNG_PCI(obj) \
- OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
-
-struct VirtIORngPCI {
- VirtIOPCIProxy parent_obj;
- VirtIORNG vdev;
-};
-
/*
* virtio-input-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci"
-#define VIRTIO_INPUT_PCI(obj) \
- OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI)
-
-struct VirtIOInputPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOInput vdev;
-};
-
-#define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci"
-#define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci"
-#define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci"
-#define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci"
-#define VIRTIO_INPUT_HID_PCI(obj) \
- OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI)
-
-struct VirtIOInputHIDPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOInputHID vdev;
-};
-
-#ifdef CONFIG_LINUX
-
-#define TYPE_VIRTIO_INPUT_HOST_PCI "virtio-input-host-pci"
-#define VIRTIO_INPUT_HOST_PCI(obj) \
- OBJECT_CHECK(VirtIOInputHostPCI, (obj), TYPE_VIRTIO_INPUT_HOST_PCI)
-
-struct VirtIOInputHostPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOInputHost vdev;
-};
-
-#endif
-
-/*
- * virtio-gpu-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
-#define VIRTIO_GPU_PCI(obj) \
- OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI)
-
-struct VirtIOGPUPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOGPU vdev;
-};
-
-#ifdef CONFIG_VHOST_VSOCK
-/*
- * vhost-vsock-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci"
-#define VHOST_VSOCK_PCI(obj) \
- OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI)
-
-struct VHostVSockPCI {
- VirtIOPCIProxy parent_obj;
- VHostVSock vdev;
-};
-#endif
-
-/*
- * virtio-crypto-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci"
-#define VIRTIO_CRYPTO_PCI(obj) \
- OBJECT_CHECK(VirtIOCryptoPCI, (obj), TYPE_VIRTIO_CRYPTO_PCI)
-
-struct VirtIOCryptoPCI {
- VirtIOPCIProxy parent_obj;
- VirtIOCrypto vdev;
-};
/* Virtio ABI version, if we increment this, we break the guest driver. */
#define VIRTIO_PCI_ABI_VERSION 0
+/* Input for virtio_pci_types_register() */
+typedef struct VirtioPCIDeviceTypeInfo {
+ /*
+ * Common base class for the subclasses below.
+ *
+ * Required only if transitional_name or non_transitional_name is set.
+ *
+ * We need a separate base type instead of making all types
+ * inherit from generic_name for two reasons:
+ * 1) generic_name implements INTERFACE_PCIE_DEVICE, but
+ * transitional_name does not.
+ * 2) generic_name has the "disable-legacy" and "disable-modern"
+ * properties, transitional_name and non_transitional name don't.
+ */
+ const char *base_name;
+ /*
+ * Generic device type. Optional.
+ *
+ * Supports both transitional and non-transitional modes,
+ * using the disable-legacy and disable-modern properties.
+ * If disable-legacy=auto, (non-)transitional mode is selected
+ * depending on the bus where the device is plugged.
+ *
+ * Implements both INTERFACE_PCIE_DEVICE and INTERFACE_CONVENTIONAL_PCI_DEVICE,
+ * but PCI Express is supported only in non-transitional mode.
+ *
+ * The only type implemented by QEMU 3.1 and older.
+ */
+ const char *generic_name;
+ /*
+ * The transitional device type. Optional.
+ *
+ * Implements both INTERFACE_PCIE_DEVICE and INTERFACE_CONVENTIONAL_PCI_DEVICE.
+ */
+ const char *transitional_name;
+ /*
+ * The non-transitional device type. Optional.
+ *
+ * Implements INTERFACE_CONVENTIONAL_PCI_DEVICE only.
+ */
+ const char *non_transitional_name;
+
+ /* Parent type. If NULL, TYPE_VIRTIO_PCI is used */
+ const char *parent;
+
+ /* Same as TypeInfo fields: */
+ size_t instance_size;
+ size_t class_size;
+ void (*instance_init)(Object *obj);
+ void (*class_init)(ObjectClass *klass, void *data);
+} VirtioPCIDeviceTypeInfo;
+
+/* Register virtio-pci type(s). @t must be static. */
+void virtio_pci_types_register(const VirtioPCIDeviceTypeInfo *t);
+
#endif
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