#ifndef __DEVICES_PCI_H__
#define __DEVICES_PCI_H__
+#ifdef __V3VEE__
+
#include <palacios/vm_dev.h>
#include <palacios/vmm_types.h>
#include <palacios/vmm_rbtree.h>
#include <devices/pci_types.h>
-#define V3_PCI_BAR_MEM 0x00
-#define V3_PCI_BAR_IO 0x01
-#define V3_PCI_BAR_MEM_PREFETCH 0x08
+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_STD_DEVICE, PCI_TO_PCI_BRIDGE, PCI_CARDBUS, PCI_MULTIFUNCTION} pci_device_type_t;
+
+struct pci_device;
+
+struct v3_pci_bar {
+ pci_bar_type_t type;
+
+ union {
+ struct {
+ int num_pages;
+ addr_t default_base_addr;
+ int (*mem_read)(addr_t guest_addr, void * dst, uint_t length, void * private_data);
+ int (*mem_write)(addr_t guest_addr, void * src, uint_t length, void * private_data);
+ };
+
+ 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);
+ };
+ };
+
+ // Internal PCI data
+ uint32_t val;
+ int updated;
+ uint32_t mask;
+};
+#define PCI_IO_BASE(bar_val) (bar_val & 0xfffffffc)
+#define PCI_MEM32_BASE(bar_val) (bar_val & 0xfffffff0)
+
struct pci_device {
union {
- struct pci_config_header header;
- uint8_t header_space[64];
+ uint8_t config_space[256];
+
+ struct {
+ struct pci_config_header config_header;
+ uint8_t config_data[192];
+ } __attribute__((packed));
} __attribute__((packed));
- uint8_t config_space[192];
+
+
+ struct v3_pci_bar bar[6];
uint_t bus_num;
struct rb_node dev_tree_node;
struct vm_device * vm_dev; //the corresponding virtual device
- int (*config_read)(struct pci_device * pci_dev, uint_t reg_num, void * dst, int len);
- int (*config_write)(struct pci_device * pci_dev, uint_t reg_num, void * src, int len);
- int (*bar_update)(struct pci_device * pci_dev, uint_t bar_reg, uint32_t val);
+ 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 ext_rom_update_flag;
+ int bar_update_flag;
void * priv_data;
};
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 dev_num,
- int (*config_read)(struct pci_device * pci_dev, uint_t reg_num, void * dst, int len),
- int (*config_write)(struct pci_device * pci_dev, uint_t reg_num, void * src, int len),
- int (*bar_update)(struct pci_device * pci_dev, uint_t bar_reg, uint32_t val),
- void * private_data);
+ struct v3_pci_bar * bars,
+ 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),
+ struct vm_device * dev);
+
+#endif
#endif