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Diffstat (limited to 'sys/amd64/pt/pt.h')
| -rw-r--r-- | sys/amd64/pt/pt.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sys/amd64/pt/pt.h b/sys/amd64/pt/pt.h new file mode 100644 index 000000000000..2423afdf22e9 --- /dev/null +++ b/sys/amd64/pt/pt.h @@ -0,0 +1,49 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2023 Bojan Novković <bnovkov@freebsd.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _AMD64_PT_PT_H_ +#define _AMD64_PT_PT_H_ + +#include <sys/types.h> + +#include <x86/include/specialreg.h> + +#define PT_IP_FILTER_MAX_RANGES (2) /* Intel SDM Vol. 3C, 33-29 */ + +struct pt_cpu_config { + uint64_t rtit_ctl; + register_t cr3_filter; + int nranges; + struct ipf_range { + vm_offset_t start; + vm_offset_t end; + } ip_ranges[PT_IP_FILTER_MAX_RANGES]; + uint32_t mtc_freq; + uint32_t cyc_thresh; + uint32_t psb_freq; +}; +#endif /* !_AMD64_PT_PT_H_ */ |