45e9809aff7304721fddb95654901b32195c9c7avboxsync * Memory range attribute operations, peformed on /dev/mem
45e9809aff7304721fddb95654901b32195c9c7avboxsync/* Memory range attributes */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_UNCACHEABLE (1<<0) /* region not cached */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_WRITECOMBINE (1<<1) /* region supports "write combine"
45e9809aff7304721fddb95654901b32195c9c7avboxsync * action */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_WRITETHROUGH (1<<2) /* write-through cached */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_WRITEBACK (1<<3) /* write-back cached */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_WRITEPROTECT (1<<4) /* read-only region */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_FIRMWARE (1<<26) /* set by firmware (XXX not useful?) */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MDF_FIXACTIVE (1<<29) /* can't be turned off */
45e9809aff7304721fddb95654901b32195c9c7avboxsync /* XXX want a flag that says "set and undo when I exit" */
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MEMRANGE_GET _IOWR('m', 50, struct mem_range_op)
45e9809aff7304721fddb95654901b32195c9c7avboxsync#define MEMRANGE_SET _IOW('m', 51, struct mem_range_op)
45e9809aff7304721fddb95654901b32195c9c7avboxsync int (*set) __P((struct mem_range_softc * sc, struct mem_range_desc * mrd, int *arg));
45e9809aff7304721fddb95654901b32195c9c7avboxsyncextern int mem_range_attr_get __P((struct mem_range_desc * mrd, int *arg));
45e9809aff7304721fddb95654901b32195c9c7avboxsyncextern int mem_range_attr_set __P((struct mem_range_desc * mrd, int *arg));