X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/ca92c307e7d125e56311cce13d5d0b1b00694238..96e23fa3c6eabf8a6efebac24b740c5d4a2a1050:/lunaix-os/includes/hal/pci.h diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h index 639a12c..57c04ca 100644 --- a/lunaix-os/includes/hal/pci.h +++ b/lunaix-os/includes/hal/pci.h @@ -34,7 +34,18 @@ #define PCI_BAR_ADDR_IO(x) ((x) & ~0x3) #define PCI_MSI_ADDR(msi_base) ((msi_base) + 4) -#define PCI_MSI_DATA(msi_base) ((msi_base) + 8) +#define PCI_MSI_DATA(msi_base, offset) ((msi_base) + 8 + offset) +#define PCI_MSI_MASK(msi_base, offset) ((msi_base) + 0xc + offset) + +#define MSI_CAP_64BIT 0x80 +#define MSI_CAP_MASK 0x100 +#define MSI_CAP_ENABLE 0x1 + +#define PCI_RCMD_DISABLE_INTR (1 << 10) +#define PCI_RCMD_FAST_B2B (1 << 9) +#define PCI_RCMD_BUS_MASTER (1 << 2) +#define PCI_RCMD_MM_ACCESS (1 << 1) +#define PCI_RCMD_IO_ACCESS 1 #define PCI_ADDRESS(bus, dev, funct) \ (((bus)&0xff) << 16) | (((dev)&0xff) << 11) | (((funct)&0xff) << 8) | \ @@ -58,14 +69,14 @@ struct pci_device // PCI Configuration Space (C-Space) r/w: // Refer to "PCI Local Bus Specification, Rev.3, Section 3.2.2.3.2" -inline pci_reg_t +static inline pci_reg_t pci_read_cspace(uint32_t base, int offset) { io_outl(PCI_CONFIG_ADDR, base | (offset & ~0x3)); return io_inl(PCI_CONFIG_DATA); } -inline void +static inline void pci_write_cspace(uint32_t base, int offset, pci_reg_t data) { io_outl(PCI_CONFIG_ADDR, base | (offset & ~0x3));