Remove unneeded /proc/xen/grant and its libxc wrapper.

Signed-off-by: Keir Fraser <keir@xensource.com>

1 files changed, 0 insertions, 142 deletions

diff --git a/tools/libxc/xc_gnttab.c b/tools/libxc/xc_gnttab.c
deleted file mode 100644
index 76b7b141c9..0000000000
--- a/tools/libxc/xc_gnttab.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/******************************************************************************
- * xc_gnttab.c
- * 
- * API for manipulating and accessing grant tables
- * 
- * Copyright (c) 2005 Christopher Clark
- * based on xc_evtchn.c Copyright (c) 2004, K A Fraser.
- */
-
-#include "xc_private.h"
-#include "xen/grant_table.h"
-
-static int
-do_gnttab_op(int xc_handle,
-             unsigned long cmd,
-             void *op,
-             unsigned long count)
-{
-    int ret = -1;
-    DECLARE_HYPERCALL;
-
-    hypercall.op     = __HYPERVISOR_grant_table_op;
-    hypercall.arg[0] = cmd;
-    hypercall.arg[1] = (unsigned long)op;
-    hypercall.arg[2] = count;
-
-    if ( mlock(op, 64) )
-    {
-        PERROR("do_gnttab_op: op mlock failed");
-        goto out;
-    }
-
-    if ( (ret = do_xen_hypercall(xc_handle, &hypercall)) < 0 )
-        ERROR("do_gnttab_op: HYPERVISOR_grant_table_op failed: %d", ret);
-
-    safe_munlock(op, 64);
- out:
-    return ret;
-}
-
-
-int xc_gnttab_map_grant_ref(int         xc_handle,
-                            uint64_t    host_virt_addr,
-                            uint32_t    dom,
-                            grant_ref_t ref,
-                            uint16_t    flags,
-                            int16_t    *status,
-                            grant_handle_t *handle,
-                            uint64_t   *dev_bus_addr)
-{
-    struct gnttab_map_grant_ref op;
-    int rc;
-
-    op.host_addr      = host_virt_addr;
-    op.dom            = (domid_t)dom;
-    op.ref            = ref;
-    op.flags          = flags;
- 
-    if ( (rc = do_gnttab_op(xc_handle, GNTTABOP_map_grant_ref,
-                            &op, 1)) == 0 )
-    {
-        *status         = op.status;
-        *handle         = op.handle;
-        *dev_bus_addr   = op.dev_bus_addr;
-    }
-
-    return rc;
-}
-
-
-int xc_gnttab_unmap_grant_ref(int       xc_handle,
-                              uint64_t  host_virt_addr,
-                              uint64_t  dev_bus_addr,
-                              grant_handle_t handle,
-                              int16_t  *status)
-{
-    struct gnttab_unmap_grant_ref op;
-    int rc;
-
-    op.host_addr      = host_virt_addr;
-    op.dev_bus_addr   = dev_bus_addr;
-    op.handle         = handle;
- 
-    if ( (rc = do_gnttab_op(xc_handle, GNTTABOP_unmap_grant_ref,
-                            &op, 1)) == 0 )
-    {
-        *status = op.status;
-    }
-
-    return rc;
-}
-
-int xc_gnttab_setup_table(int        xc_handle,
-                          uint32_t   dom,
-                          uint16_t   nr_frames,
-                          int16_t   *status,
-                          unsigned long **frame_list)
-{
-    struct gnttab_setup_table op;
-    int rc, i;
-
-    op.dom       = (domid_t)dom;
-    op.nr_frames = nr_frames;
- 
-    if ( (rc = do_gnttab_op(xc_handle, GNTTABOP_setup_table, &op, 1)) == 0 )
-    {
-        *status = op.status;
-        for ( i = 0; i < nr_frames; i++ )
-            (*frame_list)[i] = op.frame_list[i];
-    }
-
-    return rc;
-}
-
-int xc_gnttab_dump_table(int        xc_handle,
-                         uint32_t   dom,
-                         int16_t   *status)
-{
-    struct gnttab_dump_table op;
-    int rc;
-
-    op.dom = (domid_t)dom;
-
-    if ( (rc = do_gnttab_op(xc_handle, GNTTABOP_dump_table, &op, 1)) == 0 )
-        *status = op.status;
-
-    return rc;
-}
-
-int xc_grant_interface_open(void)
-{
-    int fd = open("/proc/xen/grant", O_RDWR);
-    if ( fd == -1 )
-        PERROR("Could not obtain handle on grant command interface");
-    return fd;
-
-}
-
-int xc_grant_interface_close(int xc_grant_handle)
-{
-    return close(xc_grant_handle);
-}