Subversion Repositories c0or1k

/*

 * Types of capabilities and their operations

 *

 * Copyright (C) 2009 Bahadir Balban

 */

#ifndef __CAP_TYPES_H__

#define __CAP_TYPES_H__

/*

 * Capability types

 */

#define CAP_TYPE_MASK           0x0000FFFF

#define CAP_TYPE_TCTRL          (1 << 0)

#define CAP_TYPE_EXREGS         (1 << 1)

#define CAP_TYPE_MAP_PHYSMEM    (1 << 2)

#define CAP_TYPE_MAP_VIRTMEM    (1 << 3)

#define CAP_TYPE_IPC            (1 << 4)

#define CAP_TYPE_IRQCTRL        (1 << 5)

#define CAP_TYPE_UMUTEX         (1 << 6)

#define CAP_TYPE_QUANTITY       (1 << 7)

#define CAP_TYPE_CAP            (1 << 8)

#define cap_type(c)     ((c)->type & CAP_TYPE_MASK)

/*

 * Resource types

 */

#define CAP_RTYPE_MASK          0xFFFF0000

#define CAP_RTYPE_THREAD        (1 << 16)

#define CAP_RTYPE_SPACE         (1 << 17)

#define CAP_RTYPE_CONTAINER     (1 << 18)

#define CAP_RTYPE_CPUPOOL       (1 << 19)

#define CAP_RTYPE_THREADPOOL    (1 << 20)

#define CAP_RTYPE_SPACEPOOL     (1 << 21)

#define CAP_RTYPE_MUTEXPOOL     (1 << 22)

#define CAP_RTYPE_MAPPOOL       (1 << 23) /* For pmd spending */

#define CAP_RTYPE_CAPPOOL       (1 << 24) /* For new cap generation */

#define cap_rtype(c)    ((c)->type & CAP_RTYPE_MASK)

#define cap_set_rtype(c, rtype)                 \

        {(c)->type &= ~CAP_RTYPE_MASK;          \

         (c)->type |= CAP_RTYPE_MASK & rtype;}

/*

 * User-defined device-types

 * (Kept in the user field)

 */

#define CAP_DEVTYPE_TIMER               1

#define CAP_DEVTYPE_UART                2

#define CAP_DEVTYPE_KEYBOARD            3

#define CAP_DEVTYPE_MOUSE               4

#define CAP_DEVTYPE_CLCD                5

#define CAP_DEVTYPE_OTHER               0xF

#define CAP_DEVTYPE_MASK                0xFFFF

#define CAP_DEVNUM_MASK                 0xFFFF0000

#define CAP_DEVNUM_SHIFT                16

#define cap_is_devmem(c)                ((c)->attr)

#define cap_set_devtype(c, devtype)                     \

        {(c)->attr &= ~CAP_DEVTYPE_MASK;                \

         (c)->attr |= CAP_DEVTYPE_MASK & devtype;}

#define cap_set_devnum(c, devnum)                       \

        {(c)->attr &= ~CAP_DEVNUM_MASK;         \

         (c)->attr |= CAP_DEVNUM_MASK & (devnum << CAP_DEVNUM_SHIFT);}

#define cap_devnum(c)                                   \

        (((c)->attr & CAP_DEVNUM_MASK) >> CAP_DEVNUM_SHIFT)

#define cap_devtype(c)          ((c)->attr & CAP_DEVTYPE_MASK)

/*

 * Access permissions

 */

/* Generic permissions */

#define CAP_CHANGEABLE          (1 << 28)       /* Can modify contents */

#define CAP_TRANSFERABLE        (1 << 29)       /* Can grant or share it */

#define CAP_REPLICABLE          (1 << 30)       /* Can create copies */

#define CAP_GENERIC_MASK        0xF0000000

#define CAP_IMMUTABLE                   0

#define cap_generic_perms(c)    \

        ((c)->access & CAP_GENERIC_MASK)

/* Thread control capability */

#define CAP_TCTRL_CREATE        (1 << 0)

#define CAP_TCTRL_DESTROY       (1 << 1)

#define CAP_TCTRL_RUN           (1 << 2)

#define CAP_TCTRL_SUSPEND       (1 << 3)

#define CAP_TCTRL_RECYCLE       (1 << 4)

#define CAP_TCTRL_WAIT          (1 << 5)

/* Exchange registers capability */

#define CAP_EXREGS_RW_PAGER     (1 << 0)

#define CAP_EXREGS_RW_UTCB      (1 << 1)

#define CAP_EXREGS_RW_SP        (1 << 2)

#define CAP_EXREGS_RW_PC        (1 << 3)

#define CAP_EXREGS_RW_REGS      (1 << 4) /* Other regular regs */

#define CAP_EXREGS_RW_CPU       (1 << 5)

#define CAP_EXREGS_RW_CPUTIME   (1 << 6)

/* Map capability */

#define CAP_MAP_READ            (1 << 0)

#define CAP_MAP_WRITE           (1 << 1)

#define CAP_MAP_EXEC            (1 << 2)

#define CAP_MAP_CACHED          (1 << 3)

#define CAP_MAP_UNCACHED        (1 << 4)

#define CAP_MAP_UNMAP           (1 << 5)

#define CAP_MAP_UTCB            (1 << 6)

/* Cache operations, applicable to (virtual) memory regions */

#define CAP_CACHE_INVALIDATE            (1 << 7)

#define CAP_CACHE_CLEAN                 (1 << 8)

/*

 * IRQ Control capability

 */

#define CAP_IRQCTRL_WAIT        (1 << 8)

/*

 * This is a common one and it applies to both

 * CAP_TYPE_IRQCTRL and CAP_TYPE_MAP_PHYSMEM

 */

#define CAP_IRQCTRL_REGISTER    (1 << 7)

/* Ipc capability */

#define CAP_IPC_SEND            (1 << 0)

#define CAP_IPC_RECV            (1 << 1)

#define CAP_IPC_SHORT           (1 << 2)

#define CAP_IPC_FULL            (1 << 3)

#define CAP_IPC_EXTENDED        (1 << 4)

#define CAP_IPC_ASYNC           (1 << 5)

/* Userspace mutex capability */

#define CAP_UMUTEX_LOCK         (1 << 0)

#define CAP_UMUTEX_UNLOCK       (1 << 1)

/* Capability control capability */

#define CAP_CAP_GRANT           (1 << 0)

#define CAP_CAP_READ            (1 << 1)

#define CAP_CAP_SHARE           (1 << 2)

#define CAP_CAP_REPLICATE       (1 << 3)

#define CAP_CAP_SPLIT           (1 << 4)

#define CAP_CAP_DEDUCE          (1 << 5)

#define CAP_CAP_DESTROY         (1 << 6)

#define CAP_CAP_MODIFY          (CAP_CAP_DEDUCE | CAP_CAP_SPLIT \

                                 | CAP_CAP_DESTROY)

#endif /* __CAP_TYPES_H__ */