| /* |
| * Virtio PCI Bindings |
| * |
| * Copyright IBM, Corp. 2007 |
| * Copyright (c) 2009 CodeSourcery |
| * |
| * Authors: |
| * Anthony Liguori <aliguori@us.ibm.com> |
| * Paul Brook <paul@codesourcery.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2. See |
| * the COPYING file in the top-level directory. |
| */ |
| |
| #ifndef QEMU_VIRTIO_PCI_H |
| #define QEMU_VIRTIO_PCI_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 */ |
| |
| typedef struct VirtioBusState VirtioPCIBusState; |
| typedef struct VirtioBusClass VirtioPCIBusClass; |
| |
| #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus" |
| #define VIRTIO_PCI_BUS(obj) \ |
| OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS) |
| #define VIRTIO_PCI_BUS_GET_CLASS(obj) \ |
| OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS) |
| #define VIRTIO_PCI_BUS_CLASS(klass) \ |
| OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS) |
| |
| enum { |
| VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT, |
| VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, |
| VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT, |
| VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT, |
| VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT, |
| VIRTIO_PCI_FLAG_PAGE_PER_VQ_BIT, |
| VIRTIO_PCI_FLAG_ATS_BIT, |
| VIRTIO_PCI_FLAG_INIT_DEVERR_BIT, |
| VIRTIO_PCI_FLAG_INIT_LNKCTL_BIT, |
| VIRTIO_PCI_FLAG_INIT_PM_BIT, |
| }; |
| |
| /* Need to activate work-arounds for buggy guests at vmstate load. */ |
| #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ |
| (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) |
| |
| /* Performance improves when virtqueue kick processing is decoupled from the |
| * vcpu thread using ioeventfd for some devices. */ |
| #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) |
| |
| /* virtio version flags */ |
| #define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT) |
| |
| /* migrate extra state */ |
| #define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT) |
| |
| /* have pio notification for modern device ? */ |
| #define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \ |
| (1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT) |
| |
| /* page per vq flag to be used by split drivers within guests */ |
| #define VIRTIO_PCI_FLAG_PAGE_PER_VQ \ |
| (1 << VIRTIO_PCI_FLAG_PAGE_PER_VQ_BIT) |
| |
| /* address space translation service */ |
| #define VIRTIO_PCI_FLAG_ATS (1 << VIRTIO_PCI_FLAG_ATS_BIT) |
| |
| /* Init error enabling flags */ |
| #define VIRTIO_PCI_FLAG_INIT_DEVERR (1 << VIRTIO_PCI_FLAG_INIT_DEVERR_BIT) |
| |
| /* Init Link Control register */ |
| #define VIRTIO_PCI_FLAG_INIT_LNKCTL (1 << VIRTIO_PCI_FLAG_INIT_LNKCTL_BIT) |
| |
| /* Init Power Management */ |
| #define VIRTIO_PCI_FLAG_INIT_PM (1 << VIRTIO_PCI_FLAG_INIT_PM_BIT) |
| |
| typedef struct { |
| MSIMessage msg; |
| int virq; |
| unsigned int users; |
| } VirtIOIRQFD; |
| |
| /* |
| * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. |
| */ |
| #define TYPE_VIRTIO_PCI "virtio-pci" |
| #define VIRTIO_PCI_GET_CLASS(obj) \ |
| OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) |
| #define VIRTIO_PCI_CLASS(klass) \ |
| OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) |
| #define VIRTIO_PCI(obj) \ |
| OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) |
| |
| typedef struct VirtioPCIClass { |
| PCIDeviceClass parent_class; |
| DeviceRealize parent_dc_realize; |
| void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp); |
| } VirtioPCIClass; |
| |
| typedef struct VirtIOPCIRegion { |
| MemoryRegion mr; |
| uint32_t offset; |
| uint32_t size; |
| uint32_t type; |
| } VirtIOPCIRegion; |
| |
| typedef struct VirtIOPCIQueue { |
| uint16_t num; |
| bool enabled; |
| uint32_t desc[2]; |
| uint32_t avail[2]; |
| uint32_t used[2]; |
| } VirtIOPCIQueue; |
| |
| struct VirtIOPCIProxy { |
| PCIDevice pci_dev; |
| MemoryRegion bar; |
| union { |
| struct { |
| VirtIOPCIRegion common; |
| VirtIOPCIRegion isr; |
| VirtIOPCIRegion device; |
| VirtIOPCIRegion notify; |
| VirtIOPCIRegion notify_pio; |
| }; |
| VirtIOPCIRegion regs[5]; |
| }; |
| MemoryRegion modern_bar; |
| MemoryRegion io_bar; |
| uint32_t legacy_io_bar_idx; |
| uint32_t msix_bar_idx; |
| uint32_t modern_io_bar_idx; |
| uint32_t modern_mem_bar_idx; |
| int config_cap; |
| uint32_t flags; |
| bool disable_modern; |
| bool ignore_backend_features; |
| OnOffAuto disable_legacy; |
| uint32_t class_code; |
| uint32_t nvectors; |
| uint32_t dfselect; |
| uint32_t gfselect; |
| uint32_t guest_features[2]; |
| VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX]; |
| |
| VirtIOIRQFD *vector_irqfd; |
| int nvqs_with_notifiers; |
| VirtioBusState bus; |
| }; |
| |
| static inline bool virtio_pci_modern(VirtIOPCIProxy *proxy) |
| { |
| return !proxy->disable_modern; |
| } |
| |
| static inline bool virtio_pci_legacy(VirtIOPCIProxy *proxy) |
| { |
| return proxy->disable_legacy == ON_OFF_AUTO_OFF; |
| } |
| |
| static inline void virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy) |
| { |
| proxy->disable_modern = false; |
| proxy->disable_legacy = ON_OFF_AUTO_ON; |
| } |
| |
| static inline void virtio_pci_disable_modern(VirtIOPCIProxy *proxy) |
| { |
| proxy->disable_modern = true; |
| } |
| |
| /* |
| * 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 |
| |
| #endif |