X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b26d3165c52589d1f8de37bf0df27ad96f460f47..1fe5f5eb5378a47bf0f3451762743c162e40faad:/lunaix-os/includes/hal/pci.h diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h index b95f89a..2cc45b2 100644 --- a/lunaix-os/includes/hal/pci.h +++ b/lunaix-os/includes/hal/pci.h @@ -1,13 +1,10 @@ #ifndef __LUNAIX_PCI_H #define __LUNAIX_PCI_H -#include +#include #include #include -#define PCI_CONFIG_ADDR 0xcf8 -#define PCI_CONFIG_DATA 0xcfc - #define PCI_TDEV 0x0 #define PCI_TPCIBRIDGE 0x1 #define PCI_TCARDBRIDGE 0x2 @@ -61,6 +58,14 @@ typedef unsigned int pci_reg_t; #define BAR_TYPE_CACHABLE 0x2 #define PCI_DRV_NAME_LEN 32 +#define EXPORT_PCI_DEVICE(name_, class, vendor_id, dev_id, init_fn) \ + static struct pci_driver pcidev_##name_ = \ + (struct pci_driver){ .name = #name_, \ + .create_driver = (init_fn), \ + .dev_info = ((vendor_id) << 16) | (dev_id), \ + .dev_class = (class) }; \ + export_ldga_el(pci_dev_drivers, name_, ptr_t, &pcidev_##name_) + struct pci_driver; struct pci_base_addr @@ -97,30 +102,13 @@ struct pci_driver char name[PCI_DRV_NAME_LEN]; }; -// PCI Configuration Space (C-Space) r/w: -// Refer to "PCI Local Bus Specification, Rev.3, Section 3.2.2.3.2" - -static inline pci_reg_t -pci_read_cspace(u32_t base, int offset) -{ - io_outl(PCI_CONFIG_ADDR, base | (offset & ~0x3)); - return io_inl(PCI_CONFIG_DATA); -} - -static inline void -pci_write_cspace(u32_t base, int offset, pci_reg_t data) -{ - io_outl(PCI_CONFIG_ADDR, base | (offset & ~0x3)); - io_outl(PCI_CONFIG_DATA, data); -} - /** * @brief 初始化PCI。这主要是通过扫描PCI总线进行拓扑重建。注意,该 * 初始化不包括针对每个设备的初始化,因为那是设备驱动的事情。 * */ void -pci_init(); +pci_load_devices(); /** * @brief 根据类型代码(Class Code)去在拓扑中寻找一个设备 @@ -153,17 +141,6 @@ pci_get_device_by_id(u16_t vendorId, u16_t deviceId); size_t pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num); -/** - * @brief 配置并启用设备MSI支持。 - * 参阅:PCI LB Spec. (Rev 3) Section 6.8 & 6.8.1 - * 以及:Intel Manual, Vol 3, Section 10.11 - * - * @param device PCI device - * @param vector interrupt vector. - */ -void -pci_setup_msi(struct pci_device* device, int vector); - void pci_add_driver(const char* name, u32_t class,