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author | Joe Epstein <jepstein98@gmail.com> | 2011-01-07 11:54:50 +0000 |
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committer | Joe Epstein <jepstein98@gmail.com> | 2011-01-07 11:54:50 +0000 |
commit | cd0e05deebf9fe278dc3afcdc03d496b70ca34f8 (patch) | |
tree | 86ef4b7d7dc08f57c96022eb7788239d6b92daec /tools/libxc/xc_misc.c | |
parent | df402bb9f0dcf49f03098ac3bca64b01dd4decce (diff) | |
download | xen-cd0e05deebf9fe278dc3afcdc03d496b70ca34f8.tar.gz xen-cd0e05deebf9fe278dc3afcdc03d496b70ca34f8.tar.bz2 xen-cd0e05deebf9fe278dc3afcdc03d496b70ca34f8.zip |
mem_access: added trap injection to libxc
* Carries forward the trap injection hypercall into libxc
Signed-off-by: Joe Epstein <jepstein98@gmail.com>
Acked-by: Keir Fraser <keir@xen.org>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Diffstat (limited to 'tools/libxc/xc_misc.c')
-rw-r--r-- | tools/libxc/xc_misc.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/libxc/xc_misc.c b/tools/libxc/xc_misc.c index f4004b1d82..b87bbc0cf9 100644 --- a/tools/libxc/xc_misc.c +++ b/tools/libxc/xc_misc.c @@ -572,6 +572,38 @@ int xc_hvm_get_mem_access( return rc; } +int xc_hvm_inject_trap( + xc_interface *xch, domid_t dom, int vcpu, uint32_t trap, uint32_t error_code, + uint64_t cr2) +{ + DECLARE_HYPERCALL; + DECLARE_HYPERCALL_BUFFER(struct xen_hvm_inject_trap, arg); + int rc; + + arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg)); + if ( arg == NULL ) + { + PERROR("Could not allocate memory for xc_hvm_inject_trap hypercall"); + return -1; + } + + arg->domid = dom; + arg->vcpuid = vcpu; + arg->trap = trap; + arg->error_code = error_code; + arg->cr2 = cr2; + + hypercall.op = __HYPERVISOR_hvm_op; + hypercall.arg[0] = HVMOP_inject_trap; + hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(arg); + + rc = do_xen_hypercall(xch, &hypercall); + + xc_hypercall_buffer_free(xch, arg); + + return rc; +} + /* * Local variables: * mode: C |