#ifdef __V3VEE__
-#include <palacios/vm_dev.h>
+
#include <palacios/vmm_types.h>
#include <palacios/vmm_rbtree.h>
#include <devices/pci_types.h>
-typedef enum {PCI_BAR_IO, PCI_BAR_MEM16, PCI_BAR_MEM32, PCI_BAR_MEM64_LOW, PCI_BAR_MEM64_HIGH, PCI_BAR_NONE} pci_bar_type_t;
+typedef enum { PCI_BAR_IO,
+ 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_PASSTHROUGH} pci_device_type_t;
+
+
-typedef enum {PCI_STD_DEVICE, PCI_TO_PCI_BRIDGE, PCI_CARDBUS, PCI_MULTIFUNCTION} pci_device_type_t;
+// For the rest of the subclass codes see:
+// http://www.acm.uiuc.edu/sigops/roll_your_own/7.c.1.html
+
+#define PCI_AUTO_DEV_NUM (-1)
struct pci_device;
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];
} __attribute__((packed));
} __attribute__((packed));
-
-
struct v3_pci_bar bar[6];
- uint_t bus_num;
struct rb_node dev_tree_node;
- int dev_num;
+ uint_t bus_num;
+
+ union {
+ uint8_t devfn;
+ struct {
+ uint8_t fn_num : 3;
+ uint8_t dev_num : 5;
+ } __attribute__((packed));
+ } __attribute__((packed));
+
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 (*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 ext_rom_update_flag;
};
+int v3_pci_set_irq_bridge(struct vm_device * pci_bus, int bus_num,
+ int (*raise_pci_irq)(struct vm_device * dev, struct pci_device * pci_dev),
+ int (*lower_pci_irq)(struct vm_device * dev, struct pci_device * pci_dev),
+ struct vm_device * bridge_dev);
-struct vm_device * v3_create_pci();
+
+int v3_pci_raise_irq(struct vm_device * pci_bus, int bus_num, struct pci_device * dev);
+int v3_pci_lower_irq(struct vm_device * pci_bus, int bus_num, struct pci_device * dev);
struct pci_device *
v3_pci_register_device(struct vm_device * pci,
pci_device_type_t dev_type,
- uint_t bus_num,
- const char * name,
+ int bus_num,
int dev_num,
+ 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