diff options
Diffstat (limited to 'hw/net')
| -rw-r--r-- | hw/net/e1000e.c | 37 | ||||
| -rw-r--r-- | hw/net/virtio-net.c | 40 | ||||
| -rw-r--r-- | hw/net/vmxnet3.c | 52 |
3 files changed, 41 insertions, 88 deletions
diff --git a/hw/net/e1000e.c b/hw/net/e1000e.c index 47787447cd..b4758bc441 100644 --- a/hw/net/e1000e.c +++ b/hw/net/e1000e.c @@ -89,8 +89,7 @@ typedef struct E1000EState { #define E1000E_MSIX_TABLE (0x0000) #define E1000E_MSIX_PBA (0x2000) -#define E1000E_USE_MSI BIT(0) -#define E1000E_USE_MSIX BIT(1) +#define E1000E_USE_MSIX BIT(0) static uint64_t e1000e_mmio_read(void *opaque, hwaddr addr, unsigned size) @@ -264,32 +263,6 @@ static void e1000e_core_realize(E1000EState *s) } static void -e1000e_init_msi(E1000EState *s) -{ - int res; - - res = msi_init(PCI_DEVICE(s), - 0xD0, /* MSI capability offset */ - 1, /* MAC MSI interrupts */ - true, /* 64-bit message addresses supported */ - false); /* Per vector mask supported */ - - if (res > 0) { - s->intr_state |= E1000E_USE_MSI; - } else { - trace_e1000e_msi_init_fail(res); - } -} - -static void -e1000e_cleanup_msi(E1000EState *s) -{ - if (s->intr_state & E1000E_USE_MSI) { - msi_uninit(PCI_DEVICE(s)); - } -} - -static void e1000e_unuse_msix_vectors(E1000EState *s, int num_vectors) { int i; @@ -444,6 +417,7 @@ static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp) static const uint16_t e1000e_dsn_offset = 0x140; E1000EState *s = E1000E(pci_dev); uint8_t *macaddr; + int ret; trace_e1000e_cb_pci_realize(); @@ -493,7 +467,10 @@ static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp) hw_error("Failed to initialize PCIe capability"); } - e1000e_init_msi(s); + ret = msi_init(PCI_DEVICE(s), 0xD0, 1, true, false, NULL); + if (ret) { + trace_e1000e_msi_init_fail(ret); + } if (e1000e_add_pm_capability(pci_dev, e1000e_pmrb_offset, PCI_PM_CAP_DSI) < 0) { @@ -532,7 +509,7 @@ static void e1000e_pci_uninit(PCIDevice *pci_dev) qemu_del_nic(s->nic); e1000e_cleanup_msix(s); - e1000e_cleanup_msi(s); + msi_uninit(pci_dev); } static void e1000e_qdev_reset(DeviceState *dev) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 7e6a60aa12..999989934e 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1542,33 +1542,11 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) { VirtIONet *n = opaque; VirtIODevice *vdev = VIRTIO_DEVICE(n); - int ret; if (version_id < 2 || version_id > VIRTIO_NET_VM_VERSION) return -EINVAL; - ret = virtio_load(vdev, f, version_id); - if (ret) { - return ret; - } - - if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)) { - n->curr_guest_offloads = qemu_get_be64(f); - } else { - n->curr_guest_offloads = virtio_net_supported_guest_offloads(n); - } - - if (peer_has_vnet_hdr(n)) { - virtio_net_apply_guest_offloads(n); - } - - if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE) && - virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) { - n->announce_counter = SELF_ANNOUNCE_ROUNDS; - timer_mod(n->announce_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)); - } - - return 0; + return virtio_load(vdev, f, version_id); } static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f, @@ -1665,6 +1643,16 @@ static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f, } } + if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)) { + n->curr_guest_offloads = qemu_get_be64(f); + } else { + n->curr_guest_offloads = virtio_net_supported_guest_offloads(n); + } + + if (peer_has_vnet_hdr(n)) { + virtio_net_apply_guest_offloads(n); + } + virtio_net_set_queues(n); /* Find the first multicast entry in the saved MAC filter */ @@ -1682,6 +1670,12 @@ static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f, qemu_get_subqueue(n->nic, i)->link_down = link_down; } + if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE) && + virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) { + n->announce_counter = SELF_ANNOUNCE_ROUNDS; + timer_mod(n->announce_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)); + } + return 0; } diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index b8e3b25053..e767fc64b8 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -283,8 +283,6 @@ typedef struct { /* Whether MSI-X support was installed successfully */ bool msix_used; - /* Whether MSI support was installed successfully */ - bool msi_used; hwaddr drv_shmem; hwaddr temp_shared_guest_driver_memory; @@ -366,7 +364,7 @@ static bool _vmxnet3_assert_interrupt_line(VMXNET3State *s, uint32_t int_idx) msix_notify(d, int_idx); return false; } - if (s->msi_used && msi_enabled(d)) { + if (msi_enabled(d)) { VMW_IRPRN("Sending MSI notification for vector %u", int_idx); msi_notify(d, int_idx); return false; @@ -390,7 +388,7 @@ static void _vmxnet3_deassert_interrupt_line(VMXNET3State *s, int lidx) * This function should never be called for MSI(X) interrupts * because deassertion never required for message interrupts */ - assert(!s->msi_used || !msi_enabled(d)); + assert(!msi_enabled(d)); VMW_IRPRN("Deasserting line for interrupt %u", lidx); pci_irq_deassert(d); @@ -427,7 +425,7 @@ static void vmxnet3_trigger_interrupt(VMXNET3State *s, int lidx) goto do_automask; } - if (s->msi_used && msi_enabled(d) && s->auto_int_masking) { + if (msi_enabled(d) && s->auto_int_masking) { goto do_automask; } @@ -1425,8 +1423,8 @@ static void vmxnet3_update_features(VMXNET3State *s) static bool vmxnet3_verify_intx(VMXNET3State *s, int intx) { - return s->msix_used || s->msi_used || (intx == - (pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1)); + return s->msix_used || msi_enabled(PCI_DEVICE(s)) + || intx == pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1; } static void vmxnet3_validate_interrupt_idx(bool is_msix, int idx) @@ -2216,35 +2214,12 @@ vmxnet3_cleanup_msix(VMXNET3State *s) } } -#define VMXNET3_USE_64BIT (true) -#define VMXNET3_PER_VECTOR_MASK (false) - -static bool -vmxnet3_init_msi(VMXNET3State *s) -{ - PCIDevice *d = PCI_DEVICE(s); - int res; - - res = msi_init(d, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS, - VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK); - if (0 > res) { - VMW_WRPRN("Failed to initialize MSI, error %d", res); - s->msi_used = false; - } else { - s->msi_used = true; - } - - return s->msi_used; -} - static void vmxnet3_cleanup_msi(VMXNET3State *s) { PCIDevice *d = PCI_DEVICE(s); - if (s->msi_used) { - msi_uninit(d); - } + msi_uninit(d); } static void @@ -2298,10 +2273,15 @@ static uint64_t vmxnet3_device_serial_num(VMXNET3State *s) return dsn_payload; } + +#define VMXNET3_USE_64BIT (true) +#define VMXNET3_PER_VECTOR_MASK (false) + static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp) { DeviceState *dev = DEVICE(pci_dev); VMXNET3State *s = VMXNET3(pci_dev); + int ret; VMW_CBPRN("Starting init..."); @@ -2325,14 +2305,16 @@ static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp) /* Interrupt pin A */ pci_dev->config[PCI_INTERRUPT_PIN] = 0x01; + ret = msi_init(pci_dev, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS, + VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK, NULL); + /* Any error other than -ENOTSUP(board's MSI support is broken) + * is a programming error. Fall back to INTx silently on -ENOTSUP */ + assert(!ret || ret == -ENOTSUP); + if (!vmxnet3_init_msix(s)) { VMW_WRPRN("Failed to initialize MSI-X, configuration is inconsistent."); } - if (!vmxnet3_init_msi(s)) { - VMW_WRPRN("Failed to initialize MSI, configuration is inconsistent."); - } - vmxnet3_net_init(s); if (pci_is_express(pci_dev)) { |