memrange.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*
    2  * Memory range attribute operations, performed on /dev/mem
    3  *
    4  * $FreeBSD$
    5  */
    6 
    7 #ifndef _SYS_MEMRANGE_H_
    8 #define _SYS_MEMRANGE_H_
    9 
   10 /* Memory range attributes */
   11 #define MDF_UNCACHEABLE         (1<<0)  /* region not cached */
   12 #define MDF_WRITECOMBINE        (1<<1)  /* region supports "write combine" action */
   13 #define MDF_WRITETHROUGH        (1<<2)  /* write-through cached */
   14 #define MDF_WRITEBACK           (1<<3)  /* write-back cached */
   15 #define MDF_WRITEPROTECT        (1<<4)  /* read-only region */
   16 #define MDF_UNKNOWN             (1<<5)  /* any state we don't understand */
   17 #define MDF_ATTRMASK            (0x00ffffff)
   18 
   19 #define MDF_FIXBASE             (1<<24) /* fixed base */
   20 #define MDF_FIXLEN              (1<<25) /* fixed length */
   21 #define MDF_FIRMWARE            (1<<26) /* set by firmware (XXX not useful?) */
   22 #define MDF_ACTIVE              (1<<27) /* currently active */
   23 #define MDF_BOGUS               (1<<28) /* we don't like it */
   24 #define MDF_FIXACTIVE           (1<<29) /* can't be turned off */
   25 #define MDF_BUSY                (1<<30) /* range is in use */
   26 #define MDF_FORCE               (1<<31) /* force risky changes */
   27 
   28 struct mem_range_desc
   29 {
   30         u_int64_t       mr_base;
   31         u_int64_t       mr_len;
   32         int             mr_flags;
   33         char            mr_owner[8];
   34 };
   35 
   36 struct mem_range_op
   37 {
   38         struct mem_range_desc   *mo_desc;
   39         int                     mo_arg[2];
   40 #define MEMRANGE_SET_UPDATE     0
   41 #define MEMRANGE_SET_REMOVE     1
   42         /* XXX want a flag that says "set and undo when I exit" */
   43 };
   44 
   45 #define MEMRANGE_GET    _IOWR('m', 50, struct mem_range_op)
   46 #define MEMRANGE_SET    _IOW('m', 51, struct mem_range_op)
   47 
   48 #define ME_STATE_INVALID        0
   49 #define ME_STATE_VALID          1
   50 #define ME_STATE_MAPPED         2
   51 
   52 struct mem_extract {
   53         uint64_t        me_vaddr;
   54         uint64_t        me_paddr;
   55         int             me_domain;
   56         int             me_state;
   57         uint64_t        pad1[5];
   58 };
   59 
   60 #define MEM_EXTRACT_PADDR       _IOWR('m', 52, struct mem_extract)
   61 
   62 struct mem_livedump_arg {
   63         int             fd;
   64         int             flags;
   65         uint8_t         compression;
   66         uint8_t         pad1[7];
   67         uint64_t        pad2[2];
   68 };
   69 
   70 #define MEM_KERNELDUMP  _IOW('m', 53, struct mem_livedump_arg)
   71 
   72 #ifdef _KERNEL
   73 
   74 MALLOC_DECLARE(M_MEMDESC);
   75 
   76 struct mem_range_softc;
   77 struct mem_range_ops
   78 {
   79         void    (*init)(struct mem_range_softc *sc);
   80         int     (*set)(struct mem_range_softc *sc, struct mem_range_desc *mrd, int *arg);
   81         void    (*initAP)(struct mem_range_softc *sc);
   82         void    (*reinit)(struct mem_range_softc *sc);
   83 };
   84 
   85 struct mem_range_softc 
   86 {
   87         struct mem_range_ops    *mr_op;
   88         int                     mr_cap;
   89         int                     mr_ndesc;
   90         struct mem_range_desc   *mr_desc;
   91 };
   92 
   93 extern struct mem_range_softc mem_range_softc;
   94 
   95 extern void     mem_range_init(void);
   96 extern void     mem_range_destroy(void);
   97 
   98 extern int      mem_range_attr_get(struct mem_range_desc *mrd, int *arg);
   99 extern int      mem_range_attr_set(struct mem_range_desc *mrd, int *arg);
  100 
  101 #endif /* _KERNEL */
  102 
  103 #endif /* _SYS_MEMRANGE_H_ */

Cache object: a39a1caf36847fb96d1da38d3e62cf67

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/sys/memrange.h

FreeBSD/Linux Kernel Cross Reference
sys/sys/memrange.h