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47 lines
994 B
C
47 lines
994 B
C
/******************************************************************************
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* xc_flask.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2 of the
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* License.
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*/
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#include "xc_private.h"
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int xc_flask_op(int xc_handle, flask_op_t *op)
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{
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int ret = -1;
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DECLARE_HYPERCALL;
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hypercall.op = __HYPERVISOR_xsm_op;
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hypercall.arg[0] = (unsigned long)op;
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if ( mlock(op, sizeof(*op)) != 0 )
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{
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PERROR("Could not lock memory for Xen hypercall");
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goto out;
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}
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if ( (ret = do_xen_hypercall(xc_handle, &hypercall)) < 0 )
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{
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if ( errno == EACCES )
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fprintf(stderr, "XSM operation failed!\n");
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}
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safe_munlock(op, sizeof(*op));
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out:
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return ret;
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}
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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