grant_table.h File Reference

#include "xen.h"

Go to the source code of this file.

Data Structures
struct	grant_entry
struct	gnttab_map_grant_ref
struct	gnttab_unmap_grant_ref
struct	gnttab_setup_table

Macros
#define	grant_entry_v1   grant_entry
#define	grant_entry_v1_t   grant_entry_t
#define	GNTTAB_NR_RESERVED_ENTRIES   8
#define	GNTTAB_RESERVED_CONSOLE   0
#define	GNTTAB_RESERVED_XENSTORE   1
#define	GTF_invalid   (0U << 0)
#define	GTF_permit_access   (1U << 0)
#define	GTF_accept_transfer   (2U << 0)
#define	GTF_transitive   (3U << 0)
#define	GTF_type_mask   (3U << 0)
#define	GTF_readonly   (1U << _GTF_readonly)
#define	GTF_reading   (1U << _GTF_reading)
#define	GTF_writing   (1U << _GTF_writing)
#define	GTF_PWT   (1U << _GTF_PWT)
#define	GTF_PCD   (1U << _GTF_PCD)
#define	GTF_PAT   (1U << _GTF_PAT)
#define	GTF_sub_page   (1U << _GTF_sub_page)
#define	GTF_transfer_committed   (1U << _GTF_transfer_committed)
#define	GTF_transfer_completed   (1U << _GTF_transfer_completed)
#define	GNTTABOP_map_grant_ref   0
#define	GNTTABOP_unmap_grant_ref   1
#define	GNTTABOP_setup_table   2
#define	GNTTABOP_dump_table   3
#define	GNTTABOP_transfer   4
#define	GNTTABOP_copy   5
#define	GNTTABOP_query_size   6
#define	GNTTABOP_unmap_and_replace   7
#define	GNTMAP_device_map   (1<<_GNTMAP_device_map)
#define	GNTMAP_host_map   (1<<_GNTMAP_host_map)
#define	GNTMAP_readonly   (1<<_GNTMAP_readonly)
#define	GNTMAP_application_map   (1<<_GNTMAP_application_map)
#define	GNTMAP_contains_pte   (1<<_GNTMAP_contains_pte)
#define	GNTMAP_guest_avail_mask   ((uint32_t)~0 << _GNTMAP_guest_avail0)
#define	GNTST_okay   (0) /* Normal return */
#define	GNTST_general_error   (-1) /* General undefined error */
#define	GNTST_bad_domain   (-2) /* Unrecognsed domain id */
#define	GNTST_bad_gntref   (-3) /* Unrecognised or inappropriate gntref */
#define	GNTST_bad_handle   (-4) /* Unrecognised or inappropriate handle */
#define	GNTST_bad_virt_addr   (-5) /* Inappropriate virtual address to map */
#define	GNTST_bad_dev_addr   (-6) /* Inappropriate device address to unmap */
#define	GNTST_no_device_space   (-7) /* Out of space in I/O MMU */
#define	GNTST_permission_denied   (-8) /* Not enough privilege for operation */
#define	GNTST_bad_page   (-9) /* Specified page was invalid for op */
#define	GNTST_bad_copy_arg   (-10) /* copy arguments cross page boundary */
#define	GNTST_address_too_big   (-11) /* transfer page address too large */
#define	GNTST_eagain   (-12) /* Operation not done; try agains */
#define	GNTTABOP_error_msgs

Typedefs
typedef uint32_t	grant_ref_t
typedef struct grant_entry	grant_entry_t
typedef uint32_t	grant_handle_t
typedef struct gnttab_map_grant_ref	gnttab_map_grant_ref_t
typedef struct gnttab_unmap_grant_ref	gnttab_unmap_grant_ref_t
typedef struct gnttab_setup_table	gnttab_setup_table_t

Functions
	DEFINE_XEN_GUEST_HANDLE (gnttab_map_grant_ref_t)
	DEFINE_XEN_GUEST_HANDLE (gnttab_unmap_grant_ref_t)
	DEFINE_XEN_GUEST_HANDLE (gnttab_setup_table_t)

Macro Definition Documentation

GNTMAP_application_map

#define GNTMAP_application_map   (1<<_GNTMAP_application_map)

GNTMAP_contains_pte

#define GNTMAP_contains_pte   (1<<_GNTMAP_contains_pte)

GNTMAP_device_map

#define GNTMAP_device_map   (1<<_GNTMAP_device_map)

GNTMAP_guest_avail_mask

#define GNTMAP_guest_avail_mask   ((uint32_t)~0 << _GNTMAP_guest_avail0)

GNTMAP_host_map

#define GNTMAP_host_map   (1<<_GNTMAP_host_map)

GNTMAP_readonly

#define GNTMAP_readonly   (1<<_GNTMAP_readonly)

GNTST_address_too_big

#define GNTST_address_too_big   (-11) /* transfer page address too large */

GNTST_bad_copy_arg

#define GNTST_bad_copy_arg   (-10) /* copy arguments cross page boundary */

GNTST_bad_dev_addr

#define GNTST_bad_dev_addr   (-6) /* Inappropriate device address to unmap */

GNTST_bad_domain

#define GNTST_bad_domain   (-2) /* Unrecognsed domain id */

GNTST_bad_gntref

#define GNTST_bad_gntref   (-3) /* Unrecognised or inappropriate gntref */

GNTST_bad_handle

#define GNTST_bad_handle   (-4) /* Unrecognised or inappropriate handle */

GNTST_bad_page

#define GNTST_bad_page   (-9) /* Specified page was invalid for op */

GNTST_bad_virt_addr

#define GNTST_bad_virt_addr   (-5) /* Inappropriate virtual address to map */

GNTST_eagain

#define GNTST_eagain   (-12) /* Operation not done; try agains */

GNTST_general_error

#define GNTST_general_error   (-1) /* General undefined error */

GNTST_no_device_space

#define GNTST_no_device_space   (-7) /* Out of space in I/O MMU */

GNTST_okay

#define GNTST_okay   (0) /* Normal return */

GNTST_permission_denied

#define GNTST_permission_denied   (-8) /* Not enough privilege for operation */

GNTTAB_NR_RESERVED_ENTRIES

#define GNTTAB_NR_RESERVED_ENTRIES   8

GNTTAB_RESERVED_CONSOLE

#define GNTTAB_RESERVED_CONSOLE   0

GNTTAB_RESERVED_XENSTORE

#define GNTTAB_RESERVED_XENSTORE   1

GNTTABOP_copy

#define GNTTABOP_copy   5

GNTTABOP_dump_table

#define GNTTABOP_dump_table   3

GNTTABOP_error_msgs

#define GNTTABOP_error_msgs

Value:

        {                               \
        "okay",                                         \
        "undefined error",                              \
        "unrecognised domain id",                       \
        "invalid grant reference",                      \
        "invalid mapping handle",                       \
        "invalid virtual address",                      \
        "invalid device address",                       \
        "no spare translation slot in the I/O MMU",     \
        "permission denied",                            \
        "bad page",                                     \
        "copy arguments cross page boundary",           \
        "page address size too large",                  \
        "operation not done; try again"                 \
}

GNTTABOP_map_grant_ref

#define GNTTABOP_map_grant_ref   0

GNTTABOP_query_size

#define GNTTABOP_query_size   6

GNTTABOP_setup_table

#define GNTTABOP_setup_table   2

GNTTABOP_transfer

#define GNTTABOP_transfer   4

GNTTABOP_unmap_and_replace

#define GNTTABOP_unmap_and_replace   7

GNTTABOP_unmap_grant_ref

#define GNTTABOP_unmap_grant_ref   1

grant_entry_v1

#define grant_entry_v1   grant_entry

grant_entry_v1_t

#define grant_entry_v1_t   grant_entry_t

GTF_accept_transfer

#define GTF_accept_transfer   (2U << 0)

GTF_invalid

#define GTF_invalid   (0U << 0)

GTF_PAT

#define GTF_PAT   (1U << _GTF_PAT)

GTF_PCD

#define GTF_PCD   (1U << _GTF_PCD)

GTF_permit_access

#define GTF_permit_access   (1U << 0)

GTF_PWT

#define GTF_PWT   (1U << _GTF_PWT)

GTF_reading

#define GTF_reading   (1U << _GTF_reading)

GTF_readonly

#define GTF_readonly   (1U << _GTF_readonly)

GTF_sub_page

#define GTF_sub_page   (1U << _GTF_sub_page)

GTF_transfer_committed

#define GTF_transfer_committed   (1U << _GTF_transfer_committed)

GTF_transfer_completed

#define GTF_transfer_completed   (1U << _GTF_transfer_completed)

GTF_transitive

#define GTF_transitive   (3U << 0)

GTF_type_mask

#define GTF_type_mask   (3U << 0)

GTF_writing

#define GTF_writing   (1U << _GTF_writing)

Typedef Documentation

gnttab_map_grant_ref_t

typedef struct gnttab_map_grant_ref gnttab_map_grant_ref_t

gnttab_setup_table_t

typedef struct gnttab_setup_table gnttab_setup_table_t

gnttab_unmap_grant_ref_t

typedef struct gnttab_unmap_grant_ref gnttab_unmap_grant_ref_t

grant_entry_t

typedef struct grant_entry grant_entry_t

grant_handle_t

typedef uint32_t grant_handle_t

grant_ref_t

typedef uint32_t grant_ref_t

Function Documentation

DEFINE_XEN_GUEST_HANDLE() [1/3]

DEFINE_XEN_GUEST_HANDLE

(

gnttab_map_grant_ref_t

)

DEFINE_XEN_GUEST_HANDLE() [2/3]

DEFINE_XEN_GUEST_HANDLE

(

gnttab_setup_table_t

)

DEFINE_XEN_GUEST_HANDLE() [3/3]

DEFINE_XEN_GUEST_HANDLE

(

gnttab_unmap_grant_ref_t

)