diff options
Diffstat (limited to 'freebsd/sys/sys/bus.h')
| -rw-r--r-- | freebsd/sys/sys/bus.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/freebsd/sys/sys/bus.h b/freebsd/sys/sys/bus.h index 8e1ba763..26acd639 100644 --- a/freebsd/sys/sys/bus.h +++ b/freebsd/sys/sys/bus.h @@ -130,6 +130,7 @@ struct devreq { #define DEV_DELETE _IOW('D', 10, struct devreq) #define DEV_FREEZE _IOW('D', 11, struct devreq) #define DEV_THAW _IOW('D', 12, struct devreq) +#define DEV_RESET _IOW('D', 13, struct devreq) /* Flags for DEV_DETACH and DEV_DISABLE. */ #define DEVF_FORCE_DETACH 0x0000001 @@ -143,10 +144,15 @@ struct devreq { /* Flags for DEV_DELETE. */ #define DEVF_FORCE_DELETE 0x0000001 +/* Flags for DEV_RESET */ +#define DEVF_RESET_DETACH 0x0000001 /* Detach drivers vs suspend + device */ + #ifdef _KERNEL -#include <sys/eventhandler.h> +#include <sys/_eventhandler.h> #include <sys/kobj.h> +#include <sys/systm.h> /** * devctl hooks. Typically one should use the devctl_notify @@ -414,6 +420,8 @@ void root_bus_configure(void); * Useful functions for implementing buses. */ +struct _cpuset; + int bus_generic_activate_resource(device_t dev, device_t child, int type, int rid, struct resource *r); device_t @@ -426,6 +434,8 @@ struct resource * bus_generic_alloc_resource(device_t bus, device_t child, int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags); +int bus_generic_translate_resource(device_t dev, int type, rman_res_t start, + rman_res_t *newstart); int bus_generic_attach(device_t dev); int bus_generic_bind_intr(device_t dev, device_t child, struct resource *irq, int cpu); @@ -494,6 +504,8 @@ int bus_generic_unmap_resource(device_t dev, device_t child, int type, struct resource_map *map); int bus_generic_write_ivar(device_t dev, device_t child, int which, uintptr_t value); +int bus_helper_reset_post(device_t dev, int flags); +int bus_helper_reset_prepare(device_t dev, int flags); int bus_null_rescan(device_t dev); /* @@ -802,16 +814,24 @@ DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \ static __inline type varp ## _get_ ## var(device_t dev) \ { \ uintptr_t v; \ - BUS_READ_IVAR(device_get_parent(dev), dev, \ + int e; \ + e = BUS_READ_IVAR(device_get_parent(dev), dev, \ ivarp ## _IVAR_ ## ivar, &v); \ + KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ + __func__, device_get_nameunit(dev), \ + device_get_nameunit(device_get_parent(dev)), e)); \ return ((type) v); \ } \ \ static __inline void varp ## _set_ ## var(device_t dev, type t) \ { \ uintptr_t v = (uintptr_t) t; \ - BUS_WRITE_IVAR(device_get_parent(dev), dev, \ + int e; \ + e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \ ivarp ## _IVAR_ ## ivar, v); \ + KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ + __func__, device_get_nameunit(dev), \ + device_get_nameunit(device_get_parent(dev)), e)); \ } #else /* __rtems__ */ #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ |