From c293efbc1671e08aa16ace7be7944405a8d6efd9 Mon Sep 17 00:00:00 2001 From: "awilliam@xenbuild.aw" Date: Sat, 2 Dec 2006 15:19:50 -0700 Subject: [PATCH] [IA64] update xc_set_hvm_param(), add xc_get_hvm_param() Signed-off-by: Alex Williamson --- tools/libxc/ia64/xc_ia64_hvm_build.c | 36 ++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 7 deletions(-) diff --git a/tools/libxc/ia64/xc_ia64_hvm_build.c b/tools/libxc/ia64/xc_ia64_hvm_build.c index c39542eb12..c12dfc3d84 100644 --- a/tools/libxc/ia64/xc_ia64_hvm_build.c +++ b/tools/libxc/ia64/xc_ia64_hvm_build.c @@ -41,7 +41,7 @@ error_out: return -1; } -static void +int xc_set_hvm_param(int handle, domid_t dom, int param, unsigned long value) { DECLARE_HYPERCALL; @@ -56,15 +56,37 @@ xc_set_hvm_param(int handle, domid_t dom, int param, unsigned long value) arg.index = param; arg.value = value; - if (mlock(&arg, sizeof(arg)) != 0) { - PERROR("Could not lock memory for set parameter"); - return; - } + if (mlock(&arg, sizeof(arg)) != 0) + return -1; rc = do_xen_hypercall(handle, &hypercall); safe_munlock(&arg, sizeof(arg)); - if (rc < 0) - PERROR("set HVM parameter failed (%d)", rc); + + return rc; +} + +int +xc_get_hvm_param(int handle, domid_t dom, int param, unsigned long *value) +{ + DECLARE_HYPERCALL; + xen_hvm_param_t arg; + int rc; + + hypercall.op = __HYPERVISOR_hvm_op; + hypercall.arg[0] = HVMOP_get_param; + hypercall.arg[1] = (unsigned long)&arg; + + arg.domid = dom; + arg.index = param; + + if (mlock(&arg, sizeof(arg)) != 0) + return -1; + + rc = do_xen_hypercall(handle, &hypercall); + safe_munlock(&arg, sizeof(arg)); + + *value = arg.value; + return rc; } #define HOB_SIGNATURE 0x3436474953424f48 // "HOBSIG64" -- 2.30.2