#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 EXPORT_PCI_DEVICE(id, pci_devdef, stage) \
+ EXPORT_DEVICE(id, &(pci_devdef)->devdef, stage)
+
+#define PCI_MATCH_EXACT -1
+#define PCI_MATCH_ANY 0
+#define PCI_MATCH_VENDOR 0xffff
+
#define PCI_TDEV 0x0
#define PCI_TPCIBRIDGE 0x1
#define PCI_TCARDBRIDGE 0x2
#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)
#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) | \
- 0x80000000
+#define PCI_CFGADDR(pciloc) ((u32_t)(pciloc) << 8) | 0x80000000UL
+
+#define PCILOC(bus, dev, funct) \
+ (((bus) & 0xff) << 8) | (((dev) & 0x1f) << 3) | ((funct) & 0x7)
+#define PCILOC_BUS(loc) (((loc) >> 8) & 0xff)
+#define PCILOC_DEV(loc) (((loc) >> 3) & 0x1f)
+#define PCILOC_FN(loc) ((loc) & 0x7)
+
+#define PCI_ID_ANY (-1)
typedef unsigned int pci_reg_t;
+typedef u16_t pciaddr_t;
// PCI device header format
// Ref: "PCI Local Bus Specification, Rev.3, Section 6.1"
#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;
+ struct hlist_node dev_cache;
+
+ struct
+ {
+ struct device* dev;
+ struct device_def* def;
+ } binding;
+
+ pciaddr_t loc;
+ u16_t intr_info;
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))
+
+struct pci_device_list
+{
+ struct llist_header peers;
+ struct pci_device* pcidev;
+};
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;
};
+#define pcidev_def(dev_def_ptr) \
+ container_of((dev_def_ptr), struct pci_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();
+#define binded_pcidev(pcidev) ((pcidev)->binding.def)
/**
* @brief 根据类型代码（Class Code）去在拓扑中寻找一个设备
size_t
pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num);
+/**
+ * @brief Bind an abstract device instance to the pci device
+ *
+ * @param pcidev pci device
+ * @param devobj abstract device instance
+ */
void
-pci_add_driver(const char* name,
- u32_t class,
- u32_t vendor,
- u32_t devid,
- pci_drv_init init);
-
-int
-pci_bind_driver(struct pci_device* pci_dev);
+pci_bind_instance(struct pci_device* pcidev, void* devobj);
void
pci_probe_bar_info(struct pci_device* device);
void
pci_probe_msi_info(struct pci_device* device);
+int
+pci_bind_definition(struct pci_device_def* pcidev_def, int* more);
+
+int
+pci_bind_definition_all(struct pci_device_def* pcidef);
+
#endif /* __LUNAIX_PCI_H */
git://scm.lunaixsky.com / lunaix-os.git / blobdiff