diff options
Diffstat (limited to 'src/hw/pci.h')
-rw-r--r-- | src/hw/pci.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/hw/pci.h b/src/hw/pci.h index 01c51f70..ee6acafc 100644 --- a/src/hw/pci.h +++ b/src/hw/pci.h @@ -32,6 +32,15 @@ static inline u16 pci_bus_devfn_to_bdf(int bus, u16 devfn) { ; BDF >= 0 \ ; BDF=pci_next(BDF, (BUS))) +// standard PCI configration access mechanism +void pci_ioconfig_writel(u16 bdf, u32 addr, u32 val); +void pci_ioconfig_writew(u16 bdf, u32 addr, u16 val); +void pci_ioconfig_writeb(u16 bdf, u32 addr, u8 val); +u32 pci_ioconfig_readl(u16 bdf, u32 addr); +u16 pci_ioconfig_readw(u16 bdf, u32 addr); +u8 pci_ioconfig_readb(u16 bdf, u32 addr); + +// PCI configuration access using either PCI CAM or PCIe ECAM void pci_config_writel(u16 bdf, u32 addr, u32 val); void pci_config_writew(u16 bdf, u32 addr, u16 val); void pci_config_writeb(u16 bdf, u32 addr, u8 val); @@ -39,9 +48,10 @@ u32 pci_config_readl(u16 bdf, u32 addr); u16 pci_config_readw(u16 bdf, u32 addr); u8 pci_config_readb(u16 bdf, u32 addr); void pci_config_maskw(u16 bdf, u32 addr, u16 off, u16 on); -void pci_enable_mmconfig(u64 addr, const char *name); u8 pci_find_capability(u16 bdf, u8 cap_id, u8 cap); int pci_next(int bdf, int bus); + +void pci_enable_mmconfig(u64 addr, const char *name); int pci_probe_host(void); void pci_reboot(void); |