LinuxKPI: pci.h add more MSI related constanst and pci_is_enabled()
Add more MSI related constansts defined to our native defines and pci_is_enabled(). All are needed for another wireless driver. MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D37225
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@ -161,6 +161,11 @@ MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \
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#define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */
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#define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */
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#define PCI_MSI_ADDRESS_LO PCIR_MSI_ADDR
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#define PCI_MSI_ADDRESS_HI PCIR_MSI_ADDR_HIGH
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#define PCI_MSI_FLAGS PCIR_MSI_CTRL
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#define PCI_MSI_FLAGS_ENABLE PCIM_MSICTRL_MSI_ENABLE
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#define PCI_EXP_LNKCAP_CLKPM 0x00040000
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#define PCI_EXP_DEVSTA_TRPND 0x0020
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@ -1608,4 +1613,12 @@ pcie_get_readrq(struct pci_dev *dev)
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return (128 << ((ctl & PCI_EXP_DEVCTL_READRQ) >> 12));
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}
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static inline bool
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pci_is_enabled(struct pci_dev *pdev)
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{
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return ((pci_read_config(pdev->dev.bsddev, PCIR_COMMAND, 2) &
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PCIM_CMD_BUSMASTEREN) != 0);
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}
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#endif /* _LINUXKPI_LINUX_PCI_H_ */
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