160742802SPekka Enberg #include "kvm/pci.h" 260742802SPekka Enberg 360742802SPekka Enberg #include "kvm/ioport.h" 460742802SPekka Enberg 560742802SPekka Enberg #include <stdint.h> 660742802SPekka Enberg 74402a581SPekka Enberg static struct pci_config_address pci_config_address; 860742802SPekka Enberg 9305b72ceSCyrill Gorcunov static bool pci_config_address_out(struct kvm *self, uint16_t port, void *data, int size, uint32_t count) 1060742802SPekka Enberg { 114402a581SPekka Enberg struct pci_config_address *addr = data; 1260742802SPekka Enberg 13dad5bc09SCyrill Gorcunov pci_config_address = *addr; 1460742802SPekka Enberg 1560742802SPekka Enberg return true; 1660742802SPekka Enberg } 1760742802SPekka Enberg 18305b72ceSCyrill Gorcunov static bool pci_config_address_in(struct kvm *self, uint16_t port, void *data, int size, uint32_t count) 1960742802SPekka Enberg { 204402a581SPekka Enberg struct pci_config_address *addr = data; 2160742802SPekka Enberg 22305b72ceSCyrill Gorcunov *addr = pci_config_address; 2360742802SPekka Enberg 2460742802SPekka Enberg return true; 2560742802SPekka Enberg } 2660742802SPekka Enberg 27305b72ceSCyrill Gorcunov static struct ioport_operations pci_config_address_ops = { 28305b72ceSCyrill Gorcunov .io_in = pci_config_address_in, 29305b72ceSCyrill Gorcunov .io_out = pci_config_address_out, 3060742802SPekka Enberg }; 3160742802SPekka Enberg 32305b72ceSCyrill Gorcunov static bool pci_config_data_out(struct kvm *self, uint16_t port, void *data, int size, uint32_t count) 3360742802SPekka Enberg { 3460742802SPekka Enberg return true; 3560742802SPekka Enberg } 3660742802SPekka Enberg 37305b72ceSCyrill Gorcunov static bool pci_config_data_in(struct kvm *self, uint16_t port, void *data, int size, uint32_t count) 3860742802SPekka Enberg { 39*4c797ebcSCyrill Gorcunov uint32_t *value = data; 40*4c797ebcSCyrill Gorcunov 41*4c797ebcSCyrill Gorcunov *value = PCI_NO_DEVICE; 42*4c797ebcSCyrill Gorcunov 4360742802SPekka Enberg return true; 4460742802SPekka Enberg } 4560742802SPekka Enberg 46305b72ceSCyrill Gorcunov static struct ioport_operations pci_config_data_ops = { 47305b72ceSCyrill Gorcunov .io_in = pci_config_data_in, 48305b72ceSCyrill Gorcunov .io_out = pci_config_data_out, 4960742802SPekka Enberg }; 5060742802SPekka Enberg 5160742802SPekka Enberg void pci__init(void) 5260742802SPekka Enberg { 53305b72ceSCyrill Gorcunov ioport__register(PCI_CONFIG_DATA, &pci_config_data_ops); 54305b72ceSCyrill Gorcunov ioport__register(PCI_CONFIG_ADDRESS, &pci_config_address_ops); 5560742802SPekka Enberg } 56