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[PULL v2 31/61] pcie_sriov: Check PCI Express for SR-IOV PF
From: |
Michael S. Tsirkin |
Subject: |
[PULL v2 31/61] pcie_sriov: Check PCI Express for SR-IOV PF |
Date: |
Tue, 23 Jul 2024 06:57:59 -0400 |
From: Akihiko Odaki <akihiko.odaki@daynix.com>
SR-IOV requires PCI Express.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240715-sriov-v5-4-3f5539093ffc@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
hw/pci/pcie_sriov.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c
index 6c79658b4c..15a4aac1f4 100644
--- a/hw/pci/pcie_sriov.c
+++ b/hw/pci/pcie_sriov.c
@@ -42,6 +42,11 @@ bool pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset,
uint8_t *cfg = dev->config + offset;
uint8_t *wmask;
+ if (!pci_is_express(dev)) {
+ error_setg(errp, "PCI Express is required for SR-IOV PF");
+ return false;
+ }
+
if (pci_is_vf(dev)) {
error_setg(errp, "a device cannot be both an SR-IOV PF and a VF");
return false;
--
MST
- [PULL v2 23/61] virtio: virtqueue_pop - VIRTIO_F_IN_ORDER support, (continued)
- [PULL v2 23/61] virtio: virtqueue_pop - VIRTIO_F_IN_ORDER support, Michael S. Tsirkin, 2024/07/23
- [PULL v2 21/61] intel_iommu: make type match, Michael S. Tsirkin, 2024/07/23
- [PULL v2 22/61] virtio: Add bool to VirtQueueElement, Michael S. Tsirkin, 2024/07/23
- [PULL v2 24/61] virtio: virtqueue_ordered_fill - VIRTIO_F_IN_ORDER support, Michael S. Tsirkin, 2024/07/23
- [PULL v2 25/61] virtio: virtqueue_ordered_flush - VIRTIO_F_IN_ORDER support, Michael S. Tsirkin, 2024/07/23
- [PULL v2 26/61] vhost,vhost-user: Add VIRTIO_F_IN_ORDER to vhost feature bits, Michael S. Tsirkin, 2024/07/23
- [PULL v2 27/61] virtio: Add VIRTIO_F_IN_ORDER property definition, Michael S. Tsirkin, 2024/07/23
- [PULL v2 28/61] contrib/vhost-user-blk: fix overflowing expression, Michael S. Tsirkin, 2024/07/23
- [PULL v2 29/61] hw/pci: Fix SR-IOV VF number calculation, Michael S. Tsirkin, 2024/07/23
- [PULL v2 30/61] pcie_sriov: Ensure PF and VF are mutually exclusive, Michael S. Tsirkin, 2024/07/23
- [PULL v2 31/61] pcie_sriov: Check PCI Express for SR-IOV PF,
Michael S. Tsirkin <=
- [PULL v2 33/61] virtio-pci: Implement SR-IOV PF, Michael S. Tsirkin, 2024/07/23
- [PULL v2 32/61] pcie_sriov: Allow user to create SR-IOV device, Michael S. Tsirkin, 2024/07/23
- [PULL v2 34/61] virtio-net: Implement SR-IOV VF, Michael S. Tsirkin, 2024/07/23
- [PULL v2 35/61] docs: Document composable SR-IOV device, Michael S. Tsirkin, 2024/07/23
- [PULL v2 36/61] smbios: make memory device size configurable per Machine, Michael S. Tsirkin, 2024/07/23
- [PULL v2 37/61] accel/kvm: Extract common KVM vCPU {creation,parking} code, Michael S. Tsirkin, 2024/07/23