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LinuxKPI: pci.h add more MSI related constanst and pci_is_enabled()

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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
This commit is contained in:
Bjoern A. Zeeb 2022-10-31 22:14:10 +00:00
parent 4495b4eb51
commit 5f2f582ccc
1 changed files with 13 additions and 0 deletions
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13
sys/compat/linuxkpi/common/include/linux/pci.h
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@ -161,6 +161,11 @@ MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \
#define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */
#define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */
#define PCI_MSI_ADDRESS_LO PCIR_MSI_ADDR
#define PCI_MSI_ADDRESS_HI PCIR_MSI_ADDR_HIGH
#define PCI_MSI_FLAGS PCIR_MSI_CTRL
#define PCI_MSI_FLAGS_ENABLE PCIM_MSICTRL_MSI_ENABLE
#define PCI_EXP_LNKCAP_CLKPM 0x00040000
#define PCI_EXP_DEVSTA_TRPND 0x0020
@ -1608,4 +1613,12 @@ pcie_get_readrq(struct pci_dev *dev)
return (128 << ((ctl & PCI_EXP_DEVCTL_READRQ) >> 12));
}
static inline bool
pci_is_enabled(struct pci_dev *pdev)
{
return ((pci_read_config(pdev->dev.bsddev, PCIR_COMMAND, 2) &
PCIM_CMD_BUSMASTEREN) != 0);
}
#endif /* _LINUXKPI_LINUX_PCI_H_ */