diff options
| -rw-r--r-- | hw/pci/pcie.c | 9 | ||||
| -rw-r--r-- | include/hw/pci/pcie.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index 542172b3fa..eaeb68894e 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -1266,6 +1266,15 @@ void pcie_pri_init(PCIDevice *dev, uint16_t offset, uint32_t outstanding_pr_cap, dev->exp.pri_cap = offset; } +bool pcie_pri_enabled(const PCIDevice *dev) +{ + if (!pci_is_express(dev) || !dev->exp.pri_cap) { + return false; + } + return (pci_get_word(dev->config + dev->exp.pri_cap + PCI_PRI_CTRL) & + PCI_PRI_CTRL_ENABLE) != 0; +} + bool pcie_pasid_enabled(const PCIDevice *dev) { if (!pci_is_express(dev) || !dev->exp.pasid_cap) { diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h index 17f06cd5d6..ff6ce08e13 100644 --- a/include/hw/pci/pcie.h +++ b/include/hw/pci/pcie.h @@ -158,6 +158,7 @@ void pcie_pasid_init(PCIDevice *dev, uint16_t offset, uint8_t pasid_width, void pcie_pri_init(PCIDevice *dev, uint16_t offset, uint32_t outstanding_pr_cap, bool prg_response_pasid_req); +bool pcie_pri_enabled(const PCIDevice *dev); bool pcie_pasid_enabled(const PCIDevice *dev); bool pcie_ats_enabled(const PCIDevice *dev); #endif /* QEMU_PCIE_H */ |