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pcie_sriov: Ensure VF function number does not overflow

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pci_new() aborts when creating a VF with a function number equals to or
is greater than PCI_DEVFN_MAX.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240627-reuse-v10-5-7ca0b8ed3d9f@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 2024-06-27 15:07:54 +09:00 • committed by Michael S. Tsirkin
parent c613ad2512
commit 7771870115
5 changed files with 51 additions and 18 deletions
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5
include/hw/pci/pcie_sriov.h
View file

@ -27,10 +27,11 @@ typedef struct PCIESriovVF {
uint16_t vf_number; /* Logical VF number of this function */
} PCIESriovVF;
void pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset,
bool 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);
uint16_t vf_offset, uint16_t vf_stride,
Error **errp);
void pcie_sriov_pf_exit(PCIDevice *dev);
/* Set up a VF bar in the SR/IOV bar area */