From f170c5ef2fd0f99e9b9fe72276f8b74f17eaf3c5 Mon Sep 17 00:00:00 2001 From: Juan Quintela Date: Thu, 3 Jan 2019 15:10:04 +0100 Subject: virtio: split vhost user blk bits from virtio-pci Reviewed-by: Thomas Huth Reviewed-by: Laurent Vivier Signed-off-by: Juan Quintela Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/Makefile.objs | 1 + hw/virtio/vhost-user-blk-pci.c | 103 +++++++++++++++++++++++++++++++++++++++++ hw/virtio/virtio-pci.c | 62 ------------------------- hw/virtio/virtio-pci.h | 18 ------- 4 files changed, 104 insertions(+), 80 deletions(-) create mode 100644 hw/virtio/vhost-user-blk-pci.c (limited to 'hw') diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs index 3e655fd..35b7698 100644 --- a/hw/virtio/Makefile.objs +++ b/hw/virtio/Makefile.objs @@ -13,6 +13,7 @@ obj-$(CONFIG_LINUX) += vhost.o vhost-backend.o vhost-user.o obj-$(CONFIG_VHOST_VSOCK) += vhost-vsock.o ifeq ($(CONFIG_PCI),y) obj-$(CONFIG_VHOST_VSOCK) += vhost-vsock-pci.o +obj-$(CONFIG_VHOST_USER_BLK) += vhost-user-blk-pci.o obj-$(CONFIG_VIRTIO_INPUT_HOST) += virtio-input-host-pci.o obj-$(CONFIG_VIRTIO_INPUT) += virtio-input-pci.o obj-$(CONFIG_VIRTIO_RNG) += virtio-rng-pci.o diff --git a/hw/virtio/vhost-user-blk-pci.c b/hw/virtio/vhost-user-blk-pci.c new file mode 100644 index 0000000..ca66c21 --- /dev/null +++ b/hw/virtio/vhost-user-blk-pci.c @@ -0,0 +1,103 @@ +/* + * Vhost user blk PCI Bindings + * + * Copyright(C) 2017 Intel Corporation. + * + * Authors: + * Changpeng Liu + * + * Largely based on the "vhost-user-scsi.c" and "vhost-scsi.c" implemented by: + * Felipe Franciosi + * Stefan Hajnoczi + * Nicholas Bellinger + * + * This work is licensed under the terms of the GNU LGPL, version 2 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#include "qemu/osdep.h" + +#include "standard-headers/linux/virtio_pci.h" +#include "hw/virtio/virtio.h" +#include "hw/virtio/vhost-user-blk.h" +#include "hw/pci/pci.h" +#include "qapi/error.h" +#include "qemu/error-report.h" +#include "virtio-pci.h" + +typedef struct VHostUserBlkPCI VHostUserBlkPCI; + +/* + * vhost-user-blk-pci: This extends VirtioPCIProxy. + */ +#define TYPE_VHOST_USER_BLK_PCI "vhost-user-blk-pci-base" +#define VHOST_USER_BLK_PCI(obj) \ + OBJECT_CHECK(VHostUserBlkPCI, (obj), TYPE_VHOST_USER_BLK_PCI) + +struct VHostUserBlkPCI { + VirtIOPCIProxy parent_obj; + VHostUserBlk vdev; +}; + +static Property vhost_user_blk_pci_properties[] = { + DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, + DEV_NVECTORS_UNSPECIFIED), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vhost_user_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { + vpci_dev->nvectors = dev->vdev.num_queues + 1; + } + + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); + object_property_set_bool(OBJECT(vdev), true, "realized", errp); +} + +static void vhost_user_blk_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); + dc->props = vhost_user_blk_pci_properties; + k->realize = vhost_user_blk_pci_realize; + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK; + pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; + pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI; +} + +static void vhost_user_blk_pci_instance_init(Object *obj) +{ + VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_BLK); + object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), + "bootindex", &error_abort); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_blk_pci_info = { + .base_name = TYPE_VHOST_USER_BLK_PCI, + .generic_name = "vhost-user-blk-pci", + .transitional_name = "vhost-user-blk-pci-transitional", + .non_transitional_name = "vhost-user-blk-pci-non-transitional", + .instance_size = sizeof(VHostUserBlkPCI), + .instance_init = vhost_user_blk_pci_instance_init, + .class_init = vhost_user_blk_pci_class_init, +}; + +static void vhost_user_blk_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_blk_pci_info); +} + +type_init(vhost_user_blk_pci_register) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index a62006c..44cc022 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -2061,65 +2061,6 @@ static const VirtioPCIDeviceTypeInfo virtio_blk_pci_info = { .class_init = virtio_blk_pci_class_init, }; -#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) -/* vhost-user-blk */ - -static Property vhost_user_blk_pci_properties[] = { - DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), - DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, - DEV_NVECTORS_UNSPECIFIED), - DEFINE_PROP_END_OF_LIST(), -}; - -static void vhost_user_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) -{ - VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(vpci_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - - if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { - vpci_dev->nvectors = dev->vdev.num_queues + 1; - } - - qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); - object_property_set_bool(OBJECT(vdev), true, "realized", errp); -} - -static void vhost_user_blk_pci_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); - PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); - - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); - dc->props = vhost_user_blk_pci_properties; - k->realize = vhost_user_blk_pci_realize; - pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; - pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK; - pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; - pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI; -} - -static void vhost_user_blk_pci_instance_init(Object *obj) -{ - VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(obj); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VHOST_USER_BLK); - object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), - "bootindex", &error_abort); -} - -static const VirtioPCIDeviceTypeInfo vhost_user_blk_pci_info = { - .base_name = TYPE_VHOST_USER_BLK_PCI, - .generic_name = "vhost-user-blk-pci", - .transitional_name = "vhost-user-blk-pci-transitional", - .non_transitional_name = "vhost-user-blk-pci-non-transitional", - .instance_size = sizeof(VHostUserBlkPCI), - .instance_init = vhost_user_blk_pci_instance_init, - .class_init = vhost_user_blk_pci_class_init, -}; -#endif - /* virtio-scsi-pci */ static Property virtio_scsi_pci_properties[] = { @@ -2489,9 +2430,6 @@ static void virtio_pci_register_types(void) /* Implementations: */ virtio_pci_types_register(&virtio_blk_pci_info); -#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) - virtio_pci_types_register(&vhost_user_blk_pci_info); -#endif virtio_pci_types_register(&virtio_scsi_pci_info); virtio_pci_types_register(&virtio_serial_pci_info); virtio_pci_types_register(&virtio_net_pci_info); diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h index 94af084..acbbe5c 100644 --- a/hw/virtio/virtio-pci.h +++ b/hw/virtio/virtio-pci.h @@ -24,9 +24,6 @@ #include "hw/virtio/virtio-gpu.h" #include "hw/virtio/virtio-crypto.h" #include "hw/virtio/vhost-user-scsi.h" -#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) -#include "hw/virtio/vhost-user-blk.h" -#endif #ifdef CONFIG_VHOST_SCSI #include "hw/virtio/vhost-scsi.h" @@ -39,7 +36,6 @@ typedef struct VirtIOSerialPCI VirtIOSerialPCI; typedef struct VirtIONetPCI VirtIONetPCI; typedef struct VHostSCSIPCI VHostSCSIPCI; typedef struct VHostUserSCSIPCI VHostUserSCSIPCI; -typedef struct VHostUserBlkPCI VHostUserBlkPCI; typedef struct VirtIOGPUPCI VirtIOGPUPCI; typedef struct VirtIOCryptoPCI VirtIOCryptoPCI; @@ -233,20 +229,6 @@ struct VHostUserSCSIPCI { VHostUserSCSI vdev; }; -#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) -/* - * vhost-user-blk-pci: This extends VirtioPCIProxy. - */ -#define TYPE_VHOST_USER_BLK_PCI "vhost-user-blk-pci-base" -#define VHOST_USER_BLK_PCI(obj) \ - OBJECT_CHECK(VHostUserBlkPCI, (obj), TYPE_VHOST_USER_BLK_PCI) - -struct VHostUserBlkPCI { - VirtIOPCIProxy parent_obj; - VHostUserBlk vdev; -}; -#endif - /* * virtio-blk-pci: This extends VirtioPCIProxy. */ -- cgit v1.1