diff options
Diffstat (limited to 'src/hw/pci.h')
| -rw-r--r-- | src/hw/pci.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/hw/pci.h b/src/hw/pci.h index ee6acafc..b2f5baf4 100644 --- a/src/hw/pci.h +++ b/src/hw/pci.h @@ -27,6 +27,11 @@ static inline u16 pci_bus_devfn_to_bdf(int bus, u16 devfn) { return (bus << 8) | devfn; } +#define pci_ioconfig_foreachbdf(BDF, BUS) \ + for (BDF=pci_ioconfig_next(pci_bus_devfn_to_bdf((BUS), 0)-1, (BUS)) \ + ; BDF >= 0 \ + ; BDF=pci_ioconfig_next(BDF, (BUS))) + #define foreachbdf(BDF, BUS) \ for (BDF=pci_next(pci_bus_devfn_to_bdf((BUS), 0)-1, (BUS)) \ ; BDF >= 0 \ @@ -39,6 +44,7 @@ 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); +int pci_ioconfig_next(int bdf, int bus); // PCI configuration access using either PCI CAM or PCIe ECAM void pci_config_writel(u16 bdf, u32 addr, u32 val); |