X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/1fe5f5eb5378a47bf0f3451762743c162e40faad..8b8f49b713d64065775fe538232f8639083601bd:/lunaix-os/includes/hal/pci.h?ds=sidebyside diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h index 2cc45b2..3131aba 100644 --- a/lunaix-os/includes/hal/pci.h +++ b/lunaix-os/includes/hal/pci.h @@ -1,6 +1,7 @@ #ifndef __LUNAIX_PCI_H #define __LUNAIX_PCI_H +#include #include #include #include @@ -15,19 +16,19 @@ #define PCI_REG_STATUS_CMD 0x4 #define PCI_REG_BAR(num) (0x10 + (num - 1) * 4) -#define PCI_DEV_VENDOR(x) ((x)&0xffff) -#define PCI_DEV_DEVID(x) ((x) >> 16) -#define PCI_INTR_IRQ(x) ((x)&0xff) -#define PCI_INTR_PIN(x) (((x)&0xff00) >> 8) +#define PCI_DEV_VENDOR(x) ((x) & 0xffff) +#define PCI_DEV_DEVID(x) (((x) & 0xffff0000) >> 16) +#define PCI_INTR_IRQ(x) ((x) & 0xff) +#define PCI_INTR_PIN(x) (((x) & 0xff00) >> 8) #define PCI_DEV_CLASS(x) ((x) >> 8) -#define PCI_DEV_REV(x) (((x)&0xff)) +#define PCI_DEV_REV(x) (((x) & 0xff)) #define PCI_BUS_NUM(x) (((x) >> 16) & 0xff) #define PCI_SLOT_NUM(x) (((x) >> 11) & 0x1f) #define PCI_FUNCT_NUM(x) (((x) >> 8) & 0x7) -#define PCI_BAR_MMIO(x) (!((x)&0x1)) -#define PCI_BAR_CACHEABLE(x) ((x)&0x8) -#define PCI_BAR_TYPE(x) ((x)&0x6) +#define PCI_BAR_MMIO(x) (!((x) & 0x1)) +#define PCI_BAR_CACHEABLE(x) ((x) & 0x8) +#define PCI_BAR_TYPE(x) ((x) & 0x6) #define PCI_BAR_ADDR_MM(x) ((x) & ~0xf) #define PCI_BAR_ADDR_IO(x) ((x) & ~0x3) @@ -46,8 +47,10 @@ #define PCI_RCMD_IO_ACCESS 1 #define PCI_ADDRESS(bus, dev, funct) \ - (((bus)&0xff) << 16) | (((dev)&0xff) << 11) | (((funct)&0xff) << 8) | \ - 0x80000000 + (((bus) & 0xff) << 16) | (((dev) & 0xff) << 11) | \ + (((funct) & 0xff) << 8) | 0x80000000 + +#define PCI_ID_ANY (-1) typedef unsigned int pci_reg_t; @@ -58,16 +61,6 @@ 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 { u32_t start; @@ -77,39 +70,30 @@ struct pci_base_addr struct pci_device { + struct device dev; struct llist_header dev_chain; u32_t device_info; u32_t class_info; u32_t cspace_base; u32_t msi_loc; u16_t intr_info; - struct - { - struct pci_driver* type; - void* instance; - } driver; struct pci_base_addr bar[6]; }; +#define PCI_DEVICE(devbase) (container_of((devbase), struct pci_device, dev)) typedef void* (*pci_drv_init)(struct pci_device*); -struct pci_driver +#define PCI_DEVIDENT(vendor, id) \ + ((((id) & 0xffff) << 16) | (((vendor) & 0xffff))) + +struct pci_device_def { - struct llist_header drivers; - u32_t dev_info; u32_t dev_class; - pci_drv_init create_driver; - char name[PCI_DRV_NAME_LEN]; + u32_t dev_ident; + u32_t ident_mask; + struct device_def devdef; }; -/** - * @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_load_devices(); - /** * @brief 根据类型代码(Class Code)去在拓扑中寻找一个设备 * 类型代码请参阅: PCI LB Spec. Appendix D.