diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2024-08-01 03:44:43 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-08-01 04:32:00 -0400 |
| commit | 19c45c00dc6a52f80f27dabbd28de1b770c16a89 (patch) | |
| tree | dd4a9ab9e46a5e9dab70b4f08d27469068371f50 /hw/pci/pcie_sriov.c | |
| parent | b1282f1e352db9947267a6524c6ded9678e82629 (diff) | |
Revert "pcie_sriov: Ensure VF function number does not overflow"
This reverts commit 77718701157f6ca77ea7a57b536fa0a22f676082.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci/pcie_sriov.c')
| -rw-r--r-- | hw/pci/pcie_sriov.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c index f0bde0d3fc..499becd527 100644 --- a/hw/pci/pcie_sriov.c +++ b/hw/pci/pcie_sriov.c @@ -24,27 +24,14 @@ static PCIDevice *register_vf(PCIDevice *pf, int devfn, const char *name, uint16_t vf_num); static void unregister_vfs(PCIDevice *dev); -bool pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset, +void pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset, const char *vfname, uint16_t vf_dev_id, uint16_t init_vfs, uint16_t total_vfs, - uint16_t vf_offset, uint16_t vf_stride, - Error **errp) + uint16_t vf_offset, uint16_t vf_stride) { uint8_t *cfg = dev->config + offset; uint8_t *wmask; - if (total_vfs) { - uint16_t ari_cap = pcie_find_capability(dev, PCI_EXT_CAP_ID_ARI); - uint16_t first_vf_devfn = dev->devfn + vf_offset; - uint16_t last_vf_devfn = first_vf_devfn + vf_stride * (total_vfs - 1); - - if ((!ari_cap && PCI_SLOT(dev->devfn) != PCI_SLOT(last_vf_devfn)) || - last_vf_devfn >= PCI_DEVFN_MAX) { - error_setg(errp, "VF function number overflows"); - return false; - } - } - pcie_add_capability(dev, PCI_EXT_CAP_ID_SRIOV, 1, offset, PCI_EXT_CAP_SRIOV_SIZEOF); dev->exp.sriov_cap = offset; @@ -82,8 +69,6 @@ bool pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset, pci_set_word(wmask + PCI_SRIOV_SYS_PGSIZE, 0x553); qdev_prop_set_bit(&dev->qdev, "multifunction", true); - - return true; } void pcie_sriov_pf_exit(PCIDevice *dev) |