From 0503ff5d7c1630d19ca494621b4fd34a53ddc41e Mon Sep 17 00:00:00 2001 From: Anton Kling Date: Wed, 25 Oct 2023 22:40:26 +0200 Subject: Kernel: Add basic support for PCI and rtl8139 This implementation is very messy and is currently not used. --- drivers/pci.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'drivers/pci.h') diff --git a/drivers/pci.h b/drivers/pci.h index 855a7de..7511cee 100644 --- a/drivers/pci.h +++ b/drivers/pci.h @@ -1,16 +1,26 @@ #include +struct GENERAL_DEVICE { + uint32_t base_mem_io; + uint8_t interrupt_line; +}; + struct PCI_DEVICE { uint16_t vendor; uint16_t device; uint8_t bus; uint8_t slot; + union { + struct GENERAL_DEVICE gen; + }; }; uint32_t pci_config_read32(const struct PCI_DEVICE *device, uint8_t func, uint8_t offset); void pci_config_write32(const struct PCI_DEVICE *device, uint8_t func, - uint8_t offset, uint32_t data); + uint8_t offset, uint32_t data); int pci_populate_device_struct(uint16_t vendor, uint16_t device, struct PCI_DEVICE *pci_device); + +uint8_t pci_get_interrupt_line(const struct PCI_DEVICE *device); -- cgit v1.2.3