X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fdevices%2Fpci.h;h=66841a808f9fac89e3bd4f2efde68d948b4c8ebb;hb=a0e1d8274aef54adcf50dce0b3843489f2a3cd21;hp=42bdabb03c2c04e0c26f5f197599bb7faa25d25a;hpb=11bbd0b954aa7ee9fe8007e6207e876074c79f44;p=palacios.git diff --git a/palacios/include/devices/pci.h b/palacios/include/devices/pci.h index 42bdabb..66841a8 100644 --- a/palacios/include/devices/pci.h +++ b/palacios/include/devices/pci.h @@ -22,6 +22,8 @@ #ifndef __DEVICES_PCI_H__ #define __DEVICES_PCI_H__ +#ifdef __V3VEE__ + #include #include #include @@ -29,33 +31,78 @@ #include -#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 { + uint8_t config_space[256]; + struct { struct pci_config_header config_header; uint8_t config_data[192]; } __attribute__((packed)); - - uint8_t config_space[256]; } __attribute__((packed)); + struct v3_pci_bar bar[6]; + struct rb_node dev_tree_node; uint_t bus_num; - struct rb_node dev_tree_node; - int dev_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)(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; }; @@ -65,12 +112,19 @@ struct vm_device * v3_create_pci(); struct pci_device * v3_pci_register_device(struct vm_device * pci, - uint_t bus_num, - const char * name, + pci_device_type_t dev_type, + 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), - 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); + +#endif #endif