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hw/nvme: SR-IOV VFs must hardwire pci interrupt pin register to zero 

The PCI Interrupt Pin Register does not apply to VFs and MUST be
hardwired to zero.

Fixes: 44c2c09488 ("hw/nvme: Add support for SR-IOV")
Reviewed-by: Jesper Wendel Devantier <foss@defmacro.it>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Klaus Jensen 2024-11-11 12:15:10 +01:00
parent 149f6e90b5
commit e85987786d
1 changed files with 7 additions and 1 deletions
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8
hw/nvme/ctrl.c
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@ -656,6 +656,12 @@ static void nvme_irq_check(NvmeCtrl *n)
if (msix_enabled(pci)) {
return;
}
/* vfs does not implement intx */
if (pci_is_vf(pci)) {
return;
}
if (~intms & n->irq_status) {
pci_irq_assert(pci);
} else {
@ -8544,7 +8550,7 @@ static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
unsigned nr_vectors;
int ret;
pci_conf[PCI_INTERRUPT_PIN] = 1;
pci_conf[PCI_INTERRUPT_PIN] = pci_is_vf(pci_dev) ? 0 : 1;
pci_config_set_prog_interface(pci_conf, 0x2);
if (n->params.use_intel_id) {