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authorIan Campbell <ian.campbell@citrix.com>2010-10-22 15:14:51 +0100
committerIan Campbell <ian.campbell@citrix.com>2010-10-22 15:14:51 +0100
commita1549a5312c76bef403254bf5d3578e24297ef32 (patch)
tree309fbcdd814c84a73a0c4a7d33939ef1d91c88e9 /tools/libxc/xc_private.h
parent97feb4c2200f21b5ff9d3dd36cefbab691c809a9 (diff)
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libxc: convert physdevop interface over to hypercall buffers
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
Diffstat (limited to 'tools/libxc/xc_private.h')
-rw-r--r--tools/libxc/xc_private.h11
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/libxc/xc_private.h b/tools/libxc/xc_private.h
index f360b14022..c56348e4e6 100644
--- a/tools/libxc/xc_private.h
+++ b/tools/libxc/xc_private.h
@@ -181,18 +181,18 @@ static inline int do_xen_version(xc_interface *xch, int cmd, xc_hypercall_buffer
static inline int do_physdev_op(xc_interface *xch, int cmd, void *op, size_t len)
{
int ret = -1;
-
DECLARE_HYPERCALL;
+ DECLARE_HYPERCALL_BOUNCE(op, len, XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
- if ( hcall_buf_prep(xch, &op, len) != 0 )
+ if ( xc_hypercall_bounce_pre(xch, op) )
{
- PERROR("Could not lock memory for Xen hypercall");
+ PERROR("Could not bounce memory for physdev hypercall");
goto out1;
}
hypercall.op = __HYPERVISOR_physdev_op;
hypercall.arg[0] = (unsigned long) cmd;
- hypercall.arg[1] = (unsigned long) op;
+ hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(op);
if ( (ret = do_xen_hypercall(xch, &hypercall)) < 0 )
{
@@ -201,8 +201,7 @@ static inline int do_physdev_op(xc_interface *xch, int cmd, void *op, size_t len
" rebuild the user-space tool set?\n");
}
- hcall_buf_release(xch, &op, len);
-
+ xc_hypercall_bounce_post(xch, op);
out1:
return ret;
}