diff options
Diffstat (limited to 'freebsd/sys/sys/bus.h')
| -rw-r--r-- | freebsd/sys/sys/bus.h | 214 |
1 files changed, 177 insertions, 37 deletions
diff --git a/freebsd/sys/sys/bus.h b/freebsd/sys/sys/bus.h index f0406732..6e356e9c 100644 --- a/freebsd/sys/sys/bus.h +++ b/freebsd/sys/sys/bus.h @@ -30,7 +30,9 @@ #define _SYS_BUS_H_ #include <machine/_limits.h> +#include <machine/_bus.h> #include <sys/_bus_dma.h> +#include <sys/ioccom.h> /** * @defgroup NEWBUS newbus - a generic framework for managing devices @@ -70,14 +72,66 @@ struct u_device { 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 date */ + uint16_t dv_flags; /**< @brief flags for dev state */ device_state_t dv_state; /**< @brief State of attachment */ /* XXX more driver info? */ }; +/* Flags exported via dv_flags. */ +#define DF_ENABLED 0x01 /* device should be probed/attached */ +#define DF_FIXEDCLASS 0x02 /* devclass specified at create time */ +#define DF_WILDCARD 0x04 /* unit was originally wildcard */ +#define DF_DESCMALLOCED 0x08 /* description was malloced */ +#define DF_QUIET 0x10 /* don't print verbose attach message */ +#define DF_DONENOMATCH 0x20 /* don't execute DEVICE_NOMATCH again */ +#define DF_EXTERNALSOFTC 0x40 /* softc not allocated by us */ +#define DF_REBID 0x80 /* Can rebid after attach */ +#define DF_SUSPENDED 0x100 /* Device is suspended. */ + +/** + * @brief Device request structure used for ioctl's. + * + * Used for ioctl's on /dev/devctl2. All device ioctl's + * must have parameter definitions which begin with dr_name. + */ +struct devreq_buffer { + void *buffer; + size_t length; +}; + +struct devreq { + char dr_name[128]; + int dr_flags; /* request-specific flags */ + union { + struct devreq_buffer dru_buffer; + void *dru_data; + } dr_dru; +#define dr_buffer dr_dru.dru_buffer /* variable-sized buffer */ +#define dr_data dr_dru.dru_data /* fixed-size buffer */ +}; + +#define DEV_ATTACH _IOW('D', 1, struct devreq) +#define DEV_DETACH _IOW('D', 2, struct devreq) +#define DEV_ENABLE _IOW('D', 3, struct devreq) +#define DEV_DISABLE _IOW('D', 4, struct devreq) +#define DEV_SUSPEND _IOW('D', 5, struct devreq) +#define DEV_RESUME _IOW('D', 6, struct devreq) +#define DEV_SET_DRIVER _IOW('D', 7, struct devreq) +#define DEV_RESCAN _IOW('D', 9, struct devreq) +#define DEV_DELETE _IOW('D', 10, struct devreq) + +/* Flags for DEV_DETACH and DEV_DISABLE. */ +#define DEVF_FORCE_DETACH 0x0000001 + +/* Flags for DEV_SET_DRIVER. */ +#define DEVF_SET_DRIVER_DETACH 0x0000001 /* Detach existing driver. */ + +/* Flags for DEV_DELETE. */ +#define DEVF_FORCE_DELETE 0x0000001 + #ifdef _KERNEL -#include <sys/queue.h> +#include <sys/eventhandler.h> #include <sys/kobj.h> /** @@ -92,6 +146,15 @@ void devctl_notify(const char *__system, const char *__subsystem, const char *__type, const char *__data); void devctl_queue_data_f(char *__data, int __flags); void devctl_queue_data(char *__data); +void devctl_safe_quote(char *__dst, const char *__src, size_t len); + +/** + * Device name parsers. Hook to allow device enumerators to map + * scheme-specific names to a device. + */ +typedef void (*dev_lookup_fn)(void *arg, const char *name, + device_t *result); +EVENTHANDLER_DECLARE(dev_lookup, dev_lookup_fn); /** * @brief A device driver (included mainly for compatibility with @@ -122,8 +185,7 @@ typedef struct kobj_class driver_t; typedef struct devclass *devclass_t; /** - * @brief A device method (included mainly for compatibility with - * FreeBSD 4.x). + * @brief A device method */ #define device_method_t kobj_method_t @@ -178,11 +240,8 @@ typedef void driver_intr_t(void*); * spls implicit in names like INTR_TYPE_TTY. In the meantime, don't * confuse things by renaming them (Grog, 18 July 2000). * - * We define this in terms of bits because some devices may belong - * to multiple classes (and therefore need to be included in - * multiple interrupt masks, which is what this really serves to - * indicate. Buses which do interrupt remapping will want to - * change their type to reflect what sort of devices are underneath. + * Buses which do interrupt remapping will want to change their type + * to reflect what sort of devices are underneath. */ enum intr_type { INTR_TYPE_TTY = 1, @@ -213,6 +272,16 @@ enum intr_polarity { INTR_POLARITY_LOW = 2 }; +/** + * CPU sets supported by bus_get_cpus(). Note that not all sets may be + * supported for a given device. If a request is not supported by a + * device (or its parents), then bus_get_cpus() will fail with EINVAL. + */ +enum cpu_sets { + LOCAL_CPUS = 0, + INTR_CPUS +}; + typedef int (*devop_t)(void); /** @@ -225,6 +294,31 @@ struct driver { KOBJ_CLASS_FIELDS; }; +/** + * @brief A resource mapping. + */ +struct resource_map { + bus_space_tag_t r_bustag; + bus_space_handle_t r_bushandle; + bus_size_t r_size; + void *r_vaddr; +}; + +/** + * @brief Optional properties of a resource mapping request. + */ +struct resource_map_request { + size_t size; + rman_res_t offset; + rman_res_t length; + vm_memattr_t memattr; +}; + +void resource_init_map_request_impl(struct resource_map_request *_args, + size_t _sz); +#define resource_init_map_request(rmr) \ + resource_init_map_request_impl((rmr), sizeof(*(rmr))) + /* * Definitions for drivers which need to keep simple lists of resources * for their child devices. @@ -240,9 +334,9 @@ struct resource_list_entry { int rid; /**< @brief resource identifier */ int flags; /**< @brief resource flags */ struct resource *res; /**< @brief the real resource when allocated */ - u_long start; /**< @brief start of resource range */ - u_long end; /**< @brief end of resource range */ - u_long count; /**< @brief count within range */ + rman_res_t start; /**< @brief start of resource range */ + rman_res_t end; /**< @brief end of resource range */ + rman_res_t count; /**< @brief count within range */ }; STAILQ_HEAD(resource_list, resource_list_entry); @@ -255,10 +349,10 @@ void resource_list_free(struct resource_list *rl); struct resource_list_entry * resource_list_add(struct resource_list *rl, int type, int rid, - u_long start, u_long end, u_long count); + rman_res_t start, rman_res_t end, rman_res_t count); int resource_list_add_next(struct resource_list *rl, int type, - u_long start, u_long end, u_long count); + rman_res_t start, rman_res_t end, rman_res_t count); int resource_list_busy(struct resource_list *rl, int type, int rid); int resource_list_reserved(struct resource_list *rl, int type, int rid); @@ -271,17 +365,20 @@ struct resource * resource_list_alloc(struct resource_list *rl, device_t bus, device_t child, int type, int *rid, - u_long start, u_long end, - u_long count, u_int flags); + rman_res_t start, rman_res_t end, + rman_res_t count, u_int flags); int resource_list_release(struct resource_list *rl, device_t bus, device_t child, int type, int rid, struct resource *res); +int resource_list_release_active(struct resource_list *rl, + device_t bus, device_t child, + int type); struct resource * resource_list_reserve(struct resource_list *rl, device_t bus, device_t child, int type, int *rid, - u_long start, u_long end, - u_long count, u_int flags); + rman_res_t start, rman_res_t end, + rman_res_t count, u_int flags); int resource_list_unreserve(struct resource_list *rl, device_t bus, device_t child, int type, int rid); @@ -307,12 +404,12 @@ device_t bus_generic_add_child(device_t dev, u_int order, const char *name, int unit); int bus_generic_adjust_resource(device_t bus, device_t child, int type, - struct resource *r, u_long start, - u_long end); + struct resource *r, rman_res_t start, + rman_res_t end); struct resource * bus_generic_alloc_resource(device_t bus, device_t child, int type, - int *rid, u_long start, u_long end, - u_long count, u_int flags); + int *rid, rman_res_t start, rman_res_t end, + rman_res_t count, u_int flags); int bus_generic_attach(device_t dev); int bus_generic_bind_intr(device_t dev, device_t child, struct resource *irq, int cpu); @@ -326,12 +423,22 @@ int bus_generic_deactivate_resource(device_t dev, device_t child, int type, int rid, struct resource *r); int bus_generic_detach(device_t dev); void bus_generic_driver_added(device_t dev, driver_t *driver); +int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op, + size_t setsize, struct _cpuset *cpuset); bus_dma_tag_t bus_generic_get_dma_tag(device_t dev, device_t child); +bus_space_tag_t + bus_generic_get_bus_tag(device_t dev, device_t child); +int bus_generic_get_domain(device_t dev, device_t child, int *domain); struct resource_list * bus_generic_get_resource_list (device_t, device_t); +int bus_generic_map_resource(device_t dev, device_t child, int type, + struct resource *r, + struct resource_map_request *args, + struct resource_map *map); void bus_generic_new_pass(device_t dev); int bus_print_child_header(device_t dev, device_t child); +int bus_print_child_domain(device_t dev, device_t child); int bus_print_child_footer(device_t dev, device_t child); int bus_generic_print_child(device_t dev, device_t child); int bus_generic_probe(device_t dev); @@ -340,6 +447,7 @@ int bus_generic_read_ivar(device_t dev, device_t child, int which, int bus_generic_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r); int bus_generic_resume(device_t dev); +int bus_generic_resume_child(device_t dev, device_t child); int bus_generic_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, driver_filter_t *filter, driver_intr_t *intr, @@ -347,21 +455,26 @@ int bus_generic_setup_intr(device_t dev, device_t child, struct resource * bus_generic_rl_alloc_resource (device_t, device_t, int, int *, - u_long, u_long, u_long, u_int); + rman_res_t, rman_res_t, rman_res_t, u_int); void bus_generic_rl_delete_resource (device_t, device_t, int, int); -int bus_generic_rl_get_resource (device_t, device_t, int, int, u_long *, - u_long *); -int bus_generic_rl_set_resource (device_t, device_t, int, int, u_long, - u_long); +int bus_generic_rl_get_resource (device_t, device_t, int, int, rman_res_t *, + rman_res_t *); +int bus_generic_rl_set_resource (device_t, device_t, int, int, rman_res_t, + rman_res_t); int bus_generic_rl_release_resource (device_t, device_t, int, int, struct resource *); int bus_generic_shutdown(device_t dev); int bus_generic_suspend(device_t dev); +int bus_generic_suspend_child(device_t dev, device_t child); int bus_generic_teardown_intr(device_t dev, device_t child, struct resource *irq, void *cookie); +int bus_generic_unmap_resource(device_t dev, device_t child, int type, + struct resource *r, + struct resource_map *map); int bus_generic_write_ivar(device_t dev, device_t child, int which, uintptr_t value); +int bus_null_rescan(device_t dev); /* * Wrapper functions for the BUS_*_RESOURCE methods to make client code @@ -380,15 +493,24 @@ void bus_release_resources(device_t dev, const struct resource_spec *rs, struct resource **res); int bus_adjust_resource(device_t child, int type, struct resource *r, - u_long start, u_long end); + rman_res_t start, rman_res_t end); struct resource *bus_alloc_resource(device_t dev, int type, int *rid, - u_long start, u_long end, u_long count, - u_int flags); + rman_res_t start, rman_res_t end, + rman_res_t count, u_int flags); int bus_activate_resource(device_t dev, int type, int rid, struct resource *r); int bus_deactivate_resource(device_t dev, int type, int rid, struct resource *r); +int bus_map_resource(device_t dev, int type, struct resource *r, + struct resource_map_request *args, + struct resource_map *map); +int bus_unmap_resource(device_t dev, int type, struct resource *r, + struct resource_map *map); +int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize, + struct _cpuset *cpuset); bus_dma_tag_t bus_get_dma_tag(device_t dev); +bus_space_tag_t bus_get_bus_tag(device_t dev); +int bus_get_domain(device_t dev, int *domain); int bus_release_resource(device_t dev, int type, int rid, struct resource *r); int bus_free_resource(device_t dev, int type, struct resource *r); @@ -398,13 +520,13 @@ int bus_setup_intr(device_t dev, struct resource *r, int flags, int bus_teardown_intr(device_t dev, struct resource *r, void *cookie); int bus_bind_intr(device_t dev, struct resource *r, int cpu); int bus_describe_intr(device_t dev, struct resource *irq, void *cookie, - const char *fmt, ...); + const char *fmt, ...) __printflike(4, 5); int bus_set_resource(device_t dev, int type, int rid, - u_long start, u_long count); + rman_res_t start, rman_res_t count); int bus_get_resource(device_t dev, int type, int rid, - u_long *startp, u_long *countp); -u_long bus_get_resource_start(device_t dev, int type, int rid); -u_long bus_get_resource_count(device_t dev, int type, int rid); + rman_res_t *startp, rman_res_t *countp); +rman_res_t bus_get_resource_start(device_t dev, int type, int rid); +rman_res_t bus_get_resource_count(device_t dev, int type, int rid); void bus_delete_resource(device_t dev, int type, int rid); int bus_child_present(device_t child); int bus_child_pnpinfo_str(device_t child, char *buf, size_t buflen); @@ -414,7 +536,14 @@ void bus_enumerate_hinted_children(device_t bus); static __inline struct resource * bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags) { - return (bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags)); + return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags)); +} + +static __inline struct resource * +bus_alloc_resource_anywhere(device_t dev, int type, int *rid, + rman_res_t count, u_int flags) +{ + return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags)); } /* @@ -450,7 +579,9 @@ struct sysctl_oid *device_get_sysctl_tree(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); +int device_is_suspended(device_t dev); int device_is_quiet(device_t dev); +device_t device_lookup_by_name(const char *name); int device_print_prettyname(device_t dev); int device_printf(device_t dev, const char *, ...) __printflike(2, 3); int device_probe(device_t dev); @@ -461,6 +592,7 @@ void device_quiet(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); +int device_set_devclass_fixed(device_t dev, const char *classname); int device_set_driver(device_t dev, driver_t *driver); void device_set_flags(device_t dev, u_int32_t flags); void device_set_softc(device_t dev, void *softc); @@ -513,6 +645,8 @@ int resource_set_long(const char *name, int unit, const char *resname, long value); int resource_set_string(const char *name, int unit, const char *resname, const char *value); +int resource_unset_value(const char *name, int unit, const char *resname); + /* * Functions for maintaining and checking consistency of * bus information exported to userspace. @@ -548,7 +682,7 @@ void bus_data_generation_update(void); #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */ #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */ #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */ -#define BUS_PROBE_HOOVER (-500) /* Generic dev for all devs on bus */ +#define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */ #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */ /** @@ -569,6 +703,12 @@ void bus_data_generation_update(void); #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */ #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */ +#define BUS_PASS_ORDER_FIRST 0 +#define BUS_PASS_ORDER_EARLY 2 +#define BUS_PASS_ORDER_MIDDLE 5 +#define BUS_PASS_ORDER_LATE 7 +#define BUS_PASS_ORDER_LAST 9 + extern int bus_current_pass; void bus_set_pass(int pass); |