From 437fd90c0250dee670290f9b714253671a990160 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Wed, 18 May 2016 13:18:31 +0300 Subject: These changes are the raw update to qemu-2.6. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen --- qemu/hw/virtio/virtio-pci.c | 398 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 339 insertions(+), 59 deletions(-) (limited to 'qemu/hw/virtio/virtio-pci.c') diff --git a/qemu/hw/virtio/virtio-pci.c b/qemu/hw/virtio/virtio-pci.c index c024161f5..bfedbbf17 100644 --- a/qemu/hw/virtio/virtio-pci.c +++ b/qemu/hw/virtio/virtio-pci.c @@ -15,7 +15,7 @@ * GNU GPL, version 2 or (at your option) any later version. */ -#include +#include "qemu/osdep.h" #include "standard-headers/linux/virtio_pci.h" #include "hw/virtio/virtio.h" @@ -26,6 +26,7 @@ #include "hw/virtio/virtio-balloon.h" #include "hw/virtio/virtio-input.h" #include "hw/pci/pci.h" +#include "qapi/error.h" #include "qemu/error-report.h" #include "hw/pci/msi.h" #include "hw/pci/msix.h" @@ -47,6 +48,7 @@ static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size, VirtIOPCIProxy *dev); +static void virtio_pci_reset(DeviceState *qdev); /* virtio device */ /* DeviceState to VirtIOPCIProxy. For use off data-path. TODO: use QOM. */ @@ -86,6 +88,129 @@ static void virtio_pci_save_config(DeviceState *d, QEMUFile *f) qemu_put_be16(f, vdev->config_vector); } +static void virtio_pci_load_modern_queue_state(VirtIOPCIQueue *vq, + QEMUFile *f) +{ + vq->num = qemu_get_be16(f); + vq->enabled = qemu_get_be16(f); + vq->desc[0] = qemu_get_be32(f); + vq->desc[1] = qemu_get_be32(f); + vq->avail[0] = qemu_get_be32(f); + vq->avail[1] = qemu_get_be32(f); + vq->used[0] = qemu_get_be32(f); + vq->used[1] = qemu_get_be32(f); +} + +static bool virtio_pci_has_extra_state(DeviceState *d) +{ + VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d); + + return proxy->flags & VIRTIO_PCI_FLAG_MIGRATE_EXTRA; +} + +static int get_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size) +{ + VirtIOPCIProxy *proxy = pv; + int i; + + proxy->dfselect = qemu_get_be32(f); + proxy->gfselect = qemu_get_be32(f); + proxy->guest_features[0] = qemu_get_be32(f); + proxy->guest_features[1] = qemu_get_be32(f); + for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { + virtio_pci_load_modern_queue_state(&proxy->vqs[i], f); + } + + return 0; +} + +static void virtio_pci_save_modern_queue_state(VirtIOPCIQueue *vq, + QEMUFile *f) +{ + qemu_put_be16(f, vq->num); + qemu_put_be16(f, vq->enabled); + qemu_put_be32(f, vq->desc[0]); + qemu_put_be32(f, vq->desc[1]); + qemu_put_be32(f, vq->avail[0]); + qemu_put_be32(f, vq->avail[1]); + qemu_put_be32(f, vq->used[0]); + qemu_put_be32(f, vq->used[1]); +} + +static void put_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size) +{ + VirtIOPCIProxy *proxy = pv; + int i; + + qemu_put_be32(f, proxy->dfselect); + qemu_put_be32(f, proxy->gfselect); + qemu_put_be32(f, proxy->guest_features[0]); + qemu_put_be32(f, proxy->guest_features[1]); + for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { + virtio_pci_save_modern_queue_state(&proxy->vqs[i], f); + } +} + +static const VMStateInfo vmstate_info_virtio_pci_modern_state = { + .name = "virtqueue_state", + .get = get_virtio_pci_modern_state, + .put = put_virtio_pci_modern_state, +}; + +static bool virtio_pci_modern_state_needed(void *opaque) +{ + VirtIOPCIProxy *proxy = opaque; + + return !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_MODERN); +} + +static const VMStateDescription vmstate_virtio_pci_modern_state = { + .name = "virtio_pci/modern_state", + .version_id = 1, + .minimum_version_id = 1, + .needed = &virtio_pci_modern_state_needed, + .fields = (VMStateField[]) { + { + .name = "modern_state", + .version_id = 0, + .field_exists = NULL, + .size = 0, + .info = &vmstate_info_virtio_pci_modern_state, + .flags = VMS_SINGLE, + .offset = 0, + }, + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_virtio_pci = { + .name = "virtio_pci", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription*[]) { + &vmstate_virtio_pci_modern_state, + NULL + } +}; + +static void virtio_pci_save_extra_state(DeviceState *d, QEMUFile *f) +{ + VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d); + + vmstate_save_state(f, &vmstate_virtio_pci, proxy, NULL); +} + +static int virtio_pci_load_extra_state(DeviceState *d, QEMUFile *f) +{ + VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d); + + return vmstate_load_state(f, &vmstate_virtio_pci, proxy, 1); +} + static void virtio_pci_save_queue(DeviceState *d, int n, QEMUFile *f) { VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d); @@ -133,6 +258,7 @@ static int virtio_pci_load_queue(DeviceState *d, int n, QEMUFile *f) if (vector != VIRTIO_NO_VECTOR) { return msix_vector_use(&proxy->pci_dev, vector); } + return 0; } @@ -146,7 +272,10 @@ static int virtio_pci_set_host_notifier_internal(VirtIOPCIProxy *proxy, EventNotifier *notifier = virtio_queue_get_host_notifier(vq); bool legacy = !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_LEGACY); bool modern = !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_MODERN); + bool fast_mmio = kvm_ioeventfd_any_length_enabled(); + bool modern_pio = proxy->flags & VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY; MemoryRegion *modern_mr = &proxy->notify.mr; + MemoryRegion *modern_notify_mr = &proxy->notify_pio.mr; MemoryRegion *legacy_mr = &proxy->bar; hwaddr modern_addr = QEMU_VIRTIO_PCI_QUEUE_MEM_MULT * virtio_get_queue_index(vq); @@ -162,8 +291,17 @@ static int virtio_pci_set_host_notifier_internal(VirtIOPCIProxy *proxy, } virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler); if (modern) { - memory_region_add_eventfd(modern_mr, modern_addr, 2, - true, n, notifier); + if (fast_mmio) { + memory_region_add_eventfd(modern_mr, modern_addr, 0, + false, n, notifier); + } else { + memory_region_add_eventfd(modern_mr, modern_addr, 2, + false, n, notifier); + } + if (modern_pio) { + memory_region_add_eventfd(modern_notify_mr, 0, 2, + true, n, notifier); + } } if (legacy) { memory_region_add_eventfd(legacy_mr, legacy_addr, 2, @@ -171,8 +309,17 @@ static int virtio_pci_set_host_notifier_internal(VirtIOPCIProxy *proxy, } } else { if (modern) { - memory_region_del_eventfd(modern_mr, modern_addr, 2, - true, n, notifier); + if (fast_mmio) { + memory_region_del_eventfd(modern_mr, modern_addr, 0, + false, n, notifier); + } else { + memory_region_del_eventfd(modern_mr, modern_addr, 2, + false, n, notifier); + } + if (modern_pio) { + memory_region_del_eventfd(modern_notify_mr, 0, 2, + true, n, notifier); + } } if (legacy) { memory_region_del_eventfd(legacy_mr, legacy_addr, 2, @@ -259,9 +406,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) case VIRTIO_PCI_QUEUE_PFN: pa = (hwaddr)val << VIRTIO_PCI_QUEUE_ADDR_SHIFT; if (pa == 0) { - virtio_pci_stop_ioeventfd(proxy); - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } else virtio_queue_set_addr(vdev, vdev->queue_sel, pa); @@ -287,8 +432,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) } if (vdev->status == 0) { - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } /* Linux before 2.6.34 drives the device without enabling @@ -590,7 +734,7 @@ static int kvm_virtio_pci_vq_vector_use(VirtIOPCIProxy *proxy, int ret; if (irqfd->users == 0) { - ret = kvm_irqchip_add_msi_route(kvm_state, msg); + ret = kvm_irqchip_add_msi_route(kvm_state, msg, &proxy->pci_dev); if (ret < 0) { return ret; } @@ -661,7 +805,7 @@ static int kvm_virtio_pci_vector_use(VirtIOPCIProxy *proxy, int nvqs) /* If guest supports masking, set up irqfd now. * Otherwise, delay until unmasked in the frontend. */ - if (k->guest_notifier_mask) { + if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) { ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector); if (ret < 0) { kvm_virtio_pci_vq_vector_release(proxy, vector); @@ -677,7 +821,7 @@ undo: if (vector >= msix_nr_vectors_allocated(dev)) { continue; } - if (k->guest_notifier_mask) { + if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) { kvm_virtio_pci_irqfd_release(proxy, queue_no, vector); } kvm_virtio_pci_vq_vector_release(proxy, vector); @@ -704,7 +848,7 @@ static void kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs) /* If guest supports masking, clean up irqfd now. * Otherwise, it was cleaned when masked in the frontend. */ - if (k->guest_notifier_mask) { + if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) { kvm_virtio_pci_irqfd_release(proxy, queue_no, vector); } kvm_virtio_pci_vq_vector_release(proxy, vector); @@ -726,7 +870,8 @@ static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy, if (proxy->vector_irqfd) { irqfd = &proxy->vector_irqfd[vector]; if (irqfd->msg.data != msg.data || irqfd->msg.address != msg.address) { - ret = kvm_irqchip_update_msi_route(kvm_state, irqfd->virq, msg); + ret = kvm_irqchip_update_msi_route(kvm_state, irqfd->virq, msg, + &proxy->pci_dev); if (ret < 0) { return ret; } @@ -736,7 +881,7 @@ static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy, /* If guest supports masking, irqfd is already setup, unmask it. * Otherwise, set it up now. */ - if (k->guest_notifier_mask) { + if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) { k->guest_notifier_mask(vdev, queue_no, false); /* Test after unmasking to avoid losing events. */ if (k->guest_notifier_pending && @@ -759,7 +904,7 @@ static void virtio_pci_vq_vector_mask(VirtIOPCIProxy *proxy, /* If guest supports masking, keep irqfd but mask it. * Otherwise, clean it up now. */ - if (k->guest_notifier_mask) { + if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) { k->guest_notifier_mask(vdev, queue_no, true); } else { kvm_virtio_pci_irqfd_release(proxy, queue_no, vector); @@ -876,7 +1021,9 @@ static int virtio_pci_set_guest_notifier(DeviceState *d, int n, bool assign, event_notifier_cleanup(notifier); } - if (!msix_enabled(&proxy->pci_dev) && vdc->guest_notifier_mask) { + if (!msix_enabled(&proxy->pci_dev) && + vdev->use_guest_notifier_mask && + vdc->guest_notifier_mask) { vdc->guest_notifier_mask(vdev, n, !assign); } @@ -1205,8 +1352,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr, } if (vdev->status == 0) { - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } break; @@ -1238,6 +1384,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr, proxy->vqs[vdev->queue_sel].avail[0], ((uint64_t)proxy->vqs[vdev->queue_sel].used[1]) << 32 | proxy->vqs[vdev->queue_sel].used[0]); + proxy->vqs[vdev->queue_sel].enabled = 1; break; case VIRTIO_PCI_COMMON_Q_DESCLO: proxy->vqs[vdev->queue_sel].desc[0] = val; @@ -1280,6 +1427,17 @@ static void virtio_pci_notify_write(void *opaque, hwaddr addr, } } +static void virtio_pci_notify_write_pio(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + VirtIODevice *vdev = opaque; + unsigned queue = val; + + if (queue < VIRTIO_QUEUE_MAX) { + virtio_queue_notify(vdev, queue); + } +} + static uint64_t virtio_pci_isr_read(void *opaque, hwaddr addr, unsigned size) { @@ -1373,6 +1531,16 @@ static void virtio_pci_modern_regions_init(VirtIOPCIProxy *proxy) }, .endianness = DEVICE_LITTLE_ENDIAN, }; + static const MemoryRegionOps notify_pio_ops = { + .read = virtio_pci_notify_read, + .write = virtio_pci_notify_write_pio, + .impl = { + .min_access_size = 1, + .max_access_size = 4, + }, + .endianness = DEVICE_LITTLE_ENDIAN, + }; + memory_region_init_io(&proxy->common.mr, OBJECT(proxy), &common_ops, @@ -1397,30 +1565,60 @@ static void virtio_pci_modern_regions_init(VirtIOPCIProxy *proxy) virtio_bus_get_device(&proxy->bus), "virtio-pci-notify", proxy->notify.size); + + memory_region_init_io(&proxy->notify_pio.mr, OBJECT(proxy), + ¬ify_pio_ops, + virtio_bus_get_device(&proxy->bus), + "virtio-pci-notify-pio", + proxy->notify.size); } static void virtio_pci_modern_region_map(VirtIOPCIProxy *proxy, VirtIOPCIRegion *region, - struct virtio_pci_cap *cap) + struct virtio_pci_cap *cap, + MemoryRegion *mr, + uint8_t bar) { - memory_region_add_subregion(&proxy->modern_bar, - region->offset, - ®ion->mr); + memory_region_add_subregion(mr, region->offset, ®ion->mr); cap->cfg_type = region->type; - cap->bar = proxy->modern_mem_bar; + cap->bar = bar; cap->offset = cpu_to_le32(region->offset); cap->length = cpu_to_le32(region->size); virtio_pci_add_mem_cap(proxy, cap); + +} + +static void virtio_pci_modern_mem_region_map(VirtIOPCIProxy *proxy, + VirtIOPCIRegion *region, + struct virtio_pci_cap *cap) +{ + virtio_pci_modern_region_map(proxy, region, cap, + &proxy->modern_bar, proxy->modern_mem_bar); } -static void virtio_pci_modern_region_unmap(VirtIOPCIProxy *proxy, - VirtIOPCIRegion *region) +static void virtio_pci_modern_io_region_map(VirtIOPCIProxy *proxy, + VirtIOPCIRegion *region, + struct virtio_pci_cap *cap) +{ + virtio_pci_modern_region_map(proxy, region, cap, + &proxy->io_bar, proxy->modern_io_bar); +} + +static void virtio_pci_modern_mem_region_unmap(VirtIOPCIProxy *proxy, + VirtIOPCIRegion *region) { memory_region_del_subregion(&proxy->modern_bar, ®ion->mr); } +static void virtio_pci_modern_io_region_unmap(VirtIOPCIProxy *proxy, + VirtIOPCIRegion *region) +{ + memory_region_del_subregion(&proxy->io_bar, + ®ion->mr); +} + /* This is called by virtio-bus just after the device is plugged. */ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) { @@ -1428,6 +1626,7 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) VirtioBusState *bus = &proxy->bus; bool legacy = !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_LEGACY); bool modern = !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_MODERN); + bool modern_pio = proxy->flags & VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY; uint8_t *config; uint32_t size; VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); @@ -1466,16 +1665,31 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) .cap.cap_len = sizeof cfg, .cap.cfg_type = VIRTIO_PCI_CAP_PCI_CFG, }; - struct virtio_pci_cfg_cap *cfg_mask; + struct virtio_pci_notify_cap notify_pio = { + .cap.cap_len = sizeof notify, + .notify_off_multiplier = cpu_to_le32(0x0), + }; - /* TODO: add io access for speed */ + struct virtio_pci_cfg_cap *cfg_mask; virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); virtio_pci_modern_regions_init(proxy); - virtio_pci_modern_region_map(proxy, &proxy->common, &cap); - virtio_pci_modern_region_map(proxy, &proxy->isr, &cap); - virtio_pci_modern_region_map(proxy, &proxy->device, &cap); - virtio_pci_modern_region_map(proxy, &proxy->notify, ¬ify.cap); + + virtio_pci_modern_mem_region_map(proxy, &proxy->common, &cap); + virtio_pci_modern_mem_region_map(proxy, &proxy->isr, &cap); + virtio_pci_modern_mem_region_map(proxy, &proxy->device, &cap); + virtio_pci_modern_mem_region_map(proxy, &proxy->notify, ¬ify.cap); + + if (modern_pio) { + memory_region_init(&proxy->io_bar, OBJECT(proxy), + "virtio-pci-io", 0x4); + + pci_register_bar(&proxy->pci_dev, proxy->modern_io_bar, + PCI_BASE_ADDRESS_SPACE_IO, &proxy->io_bar); + + virtio_pci_modern_io_region_map(proxy, &proxy->notify_pio, + ¬ify_pio.cap); + } pci_register_bar(&proxy->pci_dev, proxy->modern_mem_bar, PCI_BASE_ADDRESS_SPACE_MEMORY | @@ -1491,12 +1705,17 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) pci_set_long(cfg_mask->pci_cfg_data, ~0x0); } - if (proxy->nvectors && - msix_init_exclusive_bar(&proxy->pci_dev, proxy->nvectors, - proxy->msix_bar)) { - error_report("unable to init msix vectors to %" PRIu32, - proxy->nvectors); - proxy->nvectors = 0; + if (proxy->nvectors) { + int err = msix_init_exclusive_bar(&proxy->pci_dev, proxy->nvectors, + proxy->msix_bar); + if (err) { + /* Notice when a system that supports MSIx can't initialize it. */ + if (err != -ENOTSUP) { + error_report("unable to init msix vectors to %" PRIu32, + proxy->nvectors); + } + proxy->nvectors = 0; + } } proxy->pci_dev.config_write = virtio_write_config; @@ -1505,9 +1724,7 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) if (legacy) { size = VIRTIO_PCI_REGION_SIZE(&proxy->pci_dev) + virtio_bus_get_vdev_config_len(bus); - if (size & (size - 1)) { - size = 1 << qemu_fls(size); - } + size = pow2ceil(size); memory_region_init_io(&proxy->bar, OBJECT(proxy), &virtio_pci_config_ops, @@ -1528,14 +1745,18 @@ static void virtio_pci_device_unplugged(DeviceState *d) { VirtIOPCIProxy *proxy = VIRTIO_PCI(d); bool modern = !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_MODERN); + bool modern_pio = proxy->flags & VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY; virtio_pci_stop_ioeventfd(proxy); if (modern) { - virtio_pci_modern_region_unmap(proxy, &proxy->common); - virtio_pci_modern_region_unmap(proxy, &proxy->isr); - virtio_pci_modern_region_unmap(proxy, &proxy->device); - virtio_pci_modern_region_unmap(proxy, &proxy->notify); + virtio_pci_modern_mem_region_unmap(proxy, &proxy->common); + virtio_pci_modern_mem_region_unmap(proxy, &proxy->isr); + virtio_pci_modern_mem_region_unmap(proxy, &proxy->device); + virtio_pci_modern_mem_region_unmap(proxy, &proxy->notify); + if (modern_pio) { + virtio_pci_modern_io_region_unmap(proxy, &proxy->notify_pio); + } } } @@ -1555,6 +1776,7 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp) */ proxy->legacy_io_bar = 0; proxy->msix_bar = 1; + proxy->modern_io_bar = 2; proxy->modern_mem_bar = 4; proxy->common.offset = 0x0; @@ -1574,6 +1796,10 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp) QEMU_VIRTIO_PCI_QUEUE_MEM_MULT * VIRTIO_QUEUE_MAX; proxy->notify.type = VIRTIO_PCI_CAP_NOTIFY_CFG; + proxy->notify_pio.offset = 0x0; + proxy->notify_pio.size = 0x4; + proxy->notify_pio.type = VIRTIO_PCI_CAP_NOTIFY_CFG; + /* subclasses can enforce modern, so do this unconditionally */ memory_region_init(&proxy->modern_bar, OBJECT(proxy), "virtio-pci", 2 * QEMU_VIRTIO_PCI_QUEUE_MEM_MULT * @@ -1588,6 +1814,29 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp) address_space_init(&proxy->modern_as, &proxy->modern_cfg, "virtio-pci-cfg-as"); + if (pci_is_express(pci_dev) && pci_bus_is_express(pci_dev->bus) && + !pci_bus_is_root(pci_dev->bus)) { + int pos; + + pos = pcie_endpoint_cap_init(pci_dev, 0); + assert(pos > 0); + + pos = pci_add_capability(pci_dev, PCI_CAP_ID_PM, 0, PCI_PM_SIZEOF); + assert(pos > 0); + + /* + * Indicates that this function complies with revision 1.2 of the + * PCI Power Management Interface Specification. + */ + pci_set_word(pci_dev->config + pos + PCI_PM_PMC, 0x3); + } else { + /* + * make future invocations of pci_is_express() return false + * and pci_config_size() return PCI_CONFIG_SPACE_SIZE. + */ + pci_dev->cap_present &= ~QEMU_PCI_CAP_EXPRESS; + } + virtio_pci_bus_new(&proxy->bus, sizeof(proxy->bus), proxy); if (k->realize) { k->realize(proxy, errp); @@ -1606,9 +1855,15 @@ static void virtio_pci_reset(DeviceState *qdev) { VirtIOPCIProxy *proxy = VIRTIO_PCI(qdev); VirtioBusState *bus = VIRTIO_BUS(&proxy->bus); + int i; + virtio_pci_stop_ioeventfd(proxy); virtio_bus_reset(bus); msix_unuse_all_vectors(&proxy->pci_dev); + + for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { + proxy->vqs[i].enabled = 0; + } } static Property virtio_pci_properties[] = { @@ -1618,13 +1873,34 @@ static Property virtio_pci_properties[] = { VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT, false), DEFINE_PROP_BIT("disable-modern", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT, true), + DEFINE_PROP_BIT("migrate-extra", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT, true), + DEFINE_PROP_BIT("modern-pio-notify", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT, false), + DEFINE_PROP_BIT("x-disable-pcie", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT, false), DEFINE_PROP_END_OF_LIST(), }; +static void virtio_pci_dc_realize(DeviceState *qdev, Error **errp) +{ + VirtioPCIClass *vpciklass = VIRTIO_PCI_GET_CLASS(qdev); + VirtIOPCIProxy *proxy = VIRTIO_PCI(qdev); + PCIDevice *pci_dev = &proxy->pci_dev; + + if (!(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_PCIE) && + !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_MODERN)) { + pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; + } + + vpciklass->parent_dc_realize(qdev, errp); +} + static void virtio_pci_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + VirtioPCIClass *vpciklass = VIRTIO_PCI_CLASS(klass); dc->props = virtio_pci_properties; k->realize = virtio_pci_realize; @@ -1632,6 +1908,8 @@ static void virtio_pci_class_init(ObjectClass *klass, void *data) k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; k->revision = VIRTIO_PCI_ABI_VERSION; k->class_id = PCI_CLASS_OTHERS; + vpciklass->parent_dc_realize = dc->realize; + dc->realize = virtio_pci_dc_realize; dc->reset = virtio_pci_reset; } @@ -2009,10 +2287,6 @@ static const TypeInfo virtio_net_pci_info = { /* virtio-rng-pci */ -static Property virtio_rng_pci_properties[] = { - DEFINE_PROP_END_OF_LIST(), -}; - static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) { VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev); @@ -2039,7 +2313,6 @@ static void virtio_rng_pci_class_init(ObjectClass *klass, void *data) k->realize = virtio_rng_pci_realize; set_bit(DEVICE_CATEGORY_MISC, dc->categories); - dc->props = virtio_rng_pci_properties; pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG; @@ -2136,14 +2409,6 @@ static void virtio_tablet_initfn(Object *obj) TYPE_VIRTIO_TABLET); } -static void virtio_host_initfn(Object *obj) -{ - VirtIOInputHostPCI *dev = VIRTIO_INPUT_HOST_PCI(obj); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VIRTIO_INPUT_HOST); -} - static const TypeInfo virtio_input_pci_info = { .name = TYPE_VIRTIO_INPUT_PCI, .parent = TYPE_VIRTIO_PCI, @@ -2182,12 +2447,22 @@ static const TypeInfo virtio_tablet_pci_info = { .instance_init = virtio_tablet_initfn, }; +#ifdef CONFIG_LINUX +static void virtio_host_initfn(Object *obj) +{ + VirtIOInputHostPCI *dev = VIRTIO_INPUT_HOST_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_INPUT_HOST); +} + static const TypeInfo virtio_host_pci_info = { .name = TYPE_VIRTIO_INPUT_HOST_PCI, .parent = TYPE_VIRTIO_INPUT_PCI, .instance_size = sizeof(VirtIOInputHostPCI), .instance_init = virtio_host_initfn, }; +#endif /* virtio-pci-bus */ @@ -2211,6 +2486,9 @@ static void virtio_pci_bus_class_init(ObjectClass *klass, void *data) k->load_config = virtio_pci_load_config; k->save_queue = virtio_pci_save_queue; k->load_queue = virtio_pci_load_queue; + k->save_extra_state = virtio_pci_save_extra_state; + k->load_extra_state = virtio_pci_load_extra_state; + k->has_extra_state = virtio_pci_has_extra_state; k->query_guest_notifiers = virtio_pci_query_guest_notifiers; k->set_host_notifier = virtio_pci_set_host_notifier; k->set_guest_notifiers = virtio_pci_set_guest_notifiers; @@ -2235,7 +2513,9 @@ static void virtio_pci_register_types(void) type_register_static(&virtio_keyboard_pci_info); type_register_static(&virtio_mouse_pci_info); type_register_static(&virtio_tablet_pci_info); +#ifdef CONFIG_LINUX type_register_static(&virtio_host_pci_info); +#endif type_register_static(&virtio_pci_bus_info); type_register_static(&virtio_pci_info); #ifdef CONFIG_VIRTFS -- cgit 1.2.3-korg