#ifndef __LUNAIX_PCI_H
#define __LUNAIX_PCI_H
+#include <lunaix/device.h>
#include <lunaix/ds/ldga.h>
#include <lunaix/ds/llist.h>
#include <lunaix/types.h>
#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_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)
(((bus)&0xff) << 16) | (((dev)&0xff) << 11) | (((funct)&0xff) << 8) | \
0x80000000
+#define PCI_ID_ANY (-1)
+
typedef unsigned int pci_reg_t;
// PCI device header format
#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;
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];
};
typedef void* (*pci_drv_init)(struct pci_device*);
-struct pci_driver
+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_vendor;
+ u32_t dev_id;
+ 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.