typedef enum { PCI_BAR_IO,
- PCI_BAR_MEM16,
+ PCI_BAR_MEM24,
PCI_BAR_MEM32,
PCI_BAR_MEM64_LOW,
PCI_BAR_MEM64_HIGH,
+ PCI_BAR_PASSTHROUGH,
PCI_BAR_NONE } pci_bar_type_t;
-typedef enum {PCI_STD_DEVICE, PCI_TO_PCI_BRIDGE, PCI_CARDBUS, PCI_MULTIFUNCTION} pci_device_type_t;
+typedef enum {PCI_STD_DEVICE, PCI_TO_PCI_BRIDGE, PCI_CARDBUS, PCI_MULTIFUNCTION, PCI_PASSTHROUGH} pci_device_type_t;
struct {
int num_ports;
uint16_t default_base_port;
- int (*io_read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev);
- int (*io_write)(ushort_t port, void * src, uint_t length, struct vm_device * dev);
+ int (*io_read)(ushort_t port, void * dst, uint_t length, void * private_data);
+ int (*io_write)(ushort_t port, void * src, uint_t length, void * private_data);
+ };
+
+ struct {
+ int (*bar_init)(int bar_num, uint32_t * dst,void * private_data);
+ int (*bar_write)(int bar_num, uint32_t * src, void * private_data);
};
};
+
+ void * private_data;
// Internal PCI data
uint32_t val;
};
-#define PCI_IO_BASE(bar_val) (bar_val & 0xfffffffc)
-#define PCI_MEM32_BASE(bar_val) (bar_val & 0xfffffff0)
+#define PCI_IO_MASK 0xfffffffc
+#define PCI_MEM_MASK 0xfffffff0
+#define PCI_MEM24_MASK 0x000ffff0
+
+#define PCI_IO_BASE(bar_val) (bar_val & PCI_IO_MASK)
+#define PCI_MEM32_BASE(bar_val) (bar_val & PCI_MEM_MASK)
+#define PCI_MEM24_BASE(bar_val) (bar_val & PCI_MEM24_MASK)
struct pci_device {
+ pci_device_type_t type;
+
union {
uint8_t config_space[256];
char name[64];
- struct vm_device * vm_dev; //the corresponding virtual device
+ int (*config_update)(uint_t reg_num, void * src, uint_t length, void * priv_data);
- int (*config_update)(struct pci_device * pci_dev, uint_t reg_num, int length);
+ int (*cmd_update)(struct pci_device * pci_dev, uchar_t io_enabled, uchar_t mem_enabled);
+ int (*ext_rom_update)(struct pci_device * pci_dev);
+
+ int (*config_write)(uint_t reg_num, void * src, uint_t length, void * private_data);
+ int (*config_read)(uint_t reg_num, void * dst, uint_t length, void * private_data);
- int (*cmd_update)(struct pci_device *pci_dev, uchar_t io_enabled, uchar_t mem_enabled);
- int (*ext_rom_update)(struct pci_device *pci_dev);
int ext_rom_update_flag;
int bar_update_flag;
int fn_num,
const char * name,
struct v3_pci_bar * bars,
- int (*config_update)(struct pci_device * pci_dev, uint_t reg_num, int length),
+ int (*config_update)(uint_t reg_num, void * src, uint_t length, void * private_data),
int (*cmd_update)(struct pci_device *pci_dev, uchar_t io_enabled, uchar_t mem_enabled),
int (*ext_rom_update)(struct pci_device *pci_dev),
- struct vm_device * dev);
+ void * priv_data);
+
+
+struct pci_device *
+v3_pci_register_passthrough_device(struct vm_device * pci,
+ int bus_num,
+ int dev_num,
+ int fn_num,
+ const char * name,
+ int (*config_write)(uint_t reg_num, void * src, uint_t length, void * private_data),
+ int (*config_read)(uint_t reg_num, void * dst, uint_t length, void * private_data),
+ void * private_data);
#endif