X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fdevices%2Fpci.h;h=ff2e27d5813e015e5ffc6a603e4327dac8d46a19;hb=c30d1b88a60c3a8df426ce81553675bbe4afef52;hp=79718a719afaf8a9af931d211d5e560200819d2d;hpb=bc98195a63d8cb1d109eeaa72f57f468c6c9581e;p=palacios.git diff --git a/palacios/include/devices/pci.h b/palacios/include/devices/pci.h index 79718a7..ff2e27d 100644 --- a/palacios/include/devices/pci.h +++ b/palacios/include/devices/pci.h @@ -24,16 +24,34 @@ #ifdef __V3VEE__ -#include + #include #include #include -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; +struct vm_device; + + +typedef enum { PCI_BAR_IO, + PCI_BAR_MEM24, + PCI_BAR_MEM32, + PCI_BAR_MEM64_LO, + PCI_BAR_MEM64_HI, + 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 guest_info; struct pci_device; @@ -44,24 +62,53 @@ struct v3_pci_bar { 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); + int (*mem_read)(struct guest_info * core, addr_t guest_addr, void * dst, uint_t length, void * private_data); + int (*mem_write)(struct guest_info * core, 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); + int (*io_read)(struct guest_info * core, uint16_t port, void * src, uint_t length, void * private_data); + int (*io_write)(struct guest_info * core, uint16_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 - int updated; + uint32_t val; + uint8_t updated; uint32_t mask; }; + +#define PCI_IO_MASK 0xfffffffc +#define PCI_MEM24_MASK 0x000ffff0 +#define PCI_MEM_MASK 0xfffffff0 +#define PCI_MEM64_MASK_HI 0xffffffff +#define PCI_MEM64_MASK_LO 0xfffffff0 +#define PCI_EXP_ROM_MASK 0xfffff800 + + + +#define PCI_IO_BASE(bar_val) (bar_val & PCI_IO_MASK) +#define PCI_MEM24_BASE(bar_val) (bar_val & PCI_MEM24_MASK) +#define PCI_MEM32_BASE(bar_val) (bar_val & PCI_MEM_MASK) +#define PCI_MEM64_BASE_HI(bar_val) (bar_val & PCI_MEM64_MASK_HI) +#define PCI_MEM64_BASE_LO(bar_val) (bar_val & PCI_MEM64_MASK_LO) +#define PCI_EXP_ROM_BASE(rom_val) (rom_val & PCI_EXP_ROM_MASK) + + struct pci_device { + + pci_device_type_t type; + union { uint8_t config_space[256]; @@ -71,45 +118,70 @@ struct pci_device { } __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 (*exp_rom_update)(struct pci_device * pci_dev, uint32_t * src, 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 (*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 exp_rom_update_flag; int bar_update_flag; void * priv_data; }; +int v3_pci_set_irq_bridge(struct vm_device * pci_bus, int bus_num, + int (*raise_pci_irq)(struct pci_device * pci_dev, void * dev_data), + int (*lower_pci_irq)(struct pci_device * pci_dev, void * dev_data), + void * dev_data); -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), - void * private_data); + int (*exp_rom_update)(struct pci_device * pci_dev, uint32_t * src, void * private_data), + 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