| 37,8 → 37,10 |
|---|
| #include <ipc/ipc.h> |
| #include <libadt/list.h> |
| |
| #define DEVMAP_NAME_MAXLEN 512 |
| #define DEVMAP_NAME_MAXLEN 255 |
| |
| typedef ipcarg_t dev_handle_t; |
| |
| typedef enum { |
| DEVMAP_DRIVER_REGISTER = IPC_FIRST_USER_METHOD, |
| DEVMAP_DRIVER_UNREGISTER, |
| 45,56 → 47,30 |
|---|
| DEVMAP_DEVICE_REGISTER, |
| DEVMAP_DEVICE_UNREGISTER, |
| DEVMAP_DEVICE_GET_NAME, |
| DEVMAP_DEVICE_GET_HANDLE |
| DEVMAP_DEVICE_GET_HANDLE, |
| DEVMAP_DEVICE_GET_COUNT, |
| DEVMAP_DEVICE_GET_DEVICES |
| } devmap_request_t; |
| |
| /** Representation of device driver. |
| * Each driver is responsible for a set of devices. |
| */ |
| typedef struct { |
| /** Pointers to previous and next drivers in linked list */ |
| link_t drivers; |
| /** Pointer to the linked list of devices controlled by |
| * this driver */ |
| link_t devices; |
| /** Phone asociated with this driver */ |
| ipcarg_t phone; |
| /** Device driver name */ |
| char *name; |
| /** Futex for list of devices owned by this driver */ |
| atomic_t devices_futex; |
| } devmap_driver_t; |
| |
| /** Info about registered device |
| /** Interface provided by devmap. |
| * |
| */ |
| typedef struct { |
| /** Pointer to the previous and next device in the list of all devices */ |
| link_t devices; |
| /** Pointer to the previous and next device in the list of devices |
| owned by one driver */ |
| link_t driver_devices; |
| /** Unique device identifier */ |
| int handle; |
| /** Device name */ |
| char *name; |
| /** Device driver handling this device */ |
| devmap_driver_t *driver; |
| } devmap_device_t; |
| |
| /** Interface provided by devmap. |
| * Every process that connects to devmap must ask one of following |
| * interfaces otherwise connection will be refused. |
| * |
| */ |
| typedef enum { |
| /** Connect as device driver */ |
| DEVMAP_DRIVER = 1, |
| /** Connect as client */ |
| /** Connect as device driver */ |
| DEVMAP_DRIVER = 1, |
| /** Connect as client */ |
| DEVMAP_CLIENT, |
| /** Create new connection to instance of device that |
| * is specified by second argument of call. */ |
| /** Create new connection to instance of device that |
| is specified by second argument of call. */ |
| DEVMAP_CONNECT_TO_DEVICE |
| } devmap_interface_t; |
| |
| typedef struct { |
| dev_handle_t handle; |
| char name[DEVMAP_NAME_MAXLEN + 1]; |
| } dev_desc_t; |
| |
| #endif |
| |