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pcie_sriov: Ensure VF addr does not overflow

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pci_new() aborts when creating a VF with addr >= PCI_DEVFN_MAX.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250116-reuse-v20-7-7cb370606368@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Akihiko Odaki 2025-01-16 18:00:58 +09:00 • committed by Michael S. Tsirkin
parent e8b827ce7c
commit 3391d68e90
5 changed files with 41 additions and 18 deletions
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8
docs/pcie_sriov.txt
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@ -52,9 +52,11 @@ setting up a BAR for a VF.
...
/* Add and initialize the SR/IOV capability */
pcie_sriov_pf_init(d, 0x200, "your_virtual_dev",
vf_devid, initial_vfs, total_vfs,
fun_offset, stride);
if (!pcie_sriov_pf_init(d, 0x200, "your_virtual_dev",
vf_devid, initial_vfs, total_vfs,
fun_offset, stride, errp)) {
return;
}
/* Set up individual VF BARs (parameters as for normal BARs) */
pcie_sriov_pf_init_vf_bar( ... )