diff options
Diffstat (limited to 'freebsd/sys/sys/bus.h')
| -rw-r--r-- | freebsd/sys/sys/bus.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/freebsd/sys/sys/bus.h b/freebsd/sys/sys/bus.h index d1d6bbb9..f3c54f36 100644 --- a/freebsd/sys/sys/bus.h +++ b/freebsd/sys/sys/bus.h @@ -46,7 +46,7 @@ */ struct u_businfo { int ub_version; /**< @brief interface version */ -#define BUS_USER_VERSION 1 +#define BUS_USER_VERSION 2 int ub_generation; /**< @brief generation count */ }; @@ -63,20 +63,23 @@ typedef enum device_state { /** * @brief Device information exported to userspace. + * The strings are placed one after the other, separated by NUL characters. + * Fields should be added after the last one and order maintained for compatibility */ +#define BUS_USER_BUFFER (3*1024) struct u_device { uintptr_t dv_handle; uintptr_t dv_parent; - - char dv_name[32]; /**< @brief Name of device in tree. */ - char dv_desc[32]; /**< @brief Driver description */ - char dv_drivername[32]; /**< @brief Driver name */ - char dv_pnpinfo[128]; /**< @brief Plug and play info */ - char dv_location[128]; /**< @brief Where is the device? */ uint32_t dv_devflags; /**< @brief API Flags for device */ uint16_t dv_flags; /**< @brief flags for dev state */ device_state_t dv_state; /**< @brief State of attachment */ - /* XXX more driver info? */ + char dv_fields[BUS_USER_BUFFER]; /**< @brief NUL terminated fields */ + /* name (name of the device in tree) */ + /* desc (driver description) */ + /* drivername (Name of driver without unit number) */ + /* pnpinfo (Plug and play information from bus) */ + /* location (Location of device on parent */ + /* NUL */ }; /* Flags exported via dv_flags. */ @@ -89,6 +92,7 @@ struct u_device { #define DF_EXTERNALSOFTC 0x40 /* softc not allocated by us */ #define DF_REBID 0x80 /* Can rebid after attach */ #define DF_SUSPENDED 0x100 /* Device is suspended. */ +#define DF_QUIET_CHILDREN 0x200 /* Default to quiet for all my children */ /** * @brief Device request structure used for ioctl's. @@ -584,6 +588,7 @@ device_state_t device_get_state(device_t dev); int device_get_unit(device_t dev); struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev); struct sysctl_oid *device_get_sysctl_tree(device_t dev); +int device_has_quiet_children(device_t dev); int device_is_alive(device_t dev); /* did probe succeed? */ int device_is_attached(device_t dev); /* did attach succeed? */ int device_is_enabled(device_t dev); @@ -597,6 +602,7 @@ int device_probe_and_attach(device_t dev); int device_probe_child(device_t bus, device_t dev); int device_quiesce(device_t dev); void device_quiet(device_t dev); +void device_quiet_children(device_t dev); void device_set_desc(device_t dev, const char* desc); void device_set_desc_copy(device_t dev, const char* desc); int device_set_devclass(device_t dev, const char *classname); |