[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 10 of 25] libxc: convert physdevop interface over to hypercall buffers
# HG changeset patch # User Ian Campbell <ian.campbell@xxxxxxxxxx> # Date 1287756891 -3600 # Node ID d6d85046e71462902f8ac32a9a5bf90cd2d1e14a # Parent 13eb390743e77d302151bb2c53a333626997194c libxc: convert physdevop interface over to hypercall buffers Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> diff -r 13eb390743e7 -r d6d85046e714 tools/libxc/xc_private.h --- a/tools/libxc/xc_private.h Fri Oct 22 15:14:51 2010 +0100 +++ b/tools/libxc/xc_private.h Fri Oct 22 15:14:51 2010 +0100 @@ -181,18 +181,18 @@ static inline int do_physdev_op(xc_inter 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); - DECLARE_HYPERCALL; - - 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_inter " rebuild the user-space tool set?\n"); } - hcall_buf_release(xch, &op, len); - + xc_hypercall_bounce_post(xch, op); out1: return ret; } _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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