| /* |
| * Copyright (c) 2015-2018, Intel Corporation |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Intel Corporation nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. |
| */ |
| |
| #include "intel-pt.h" |
| |
| |
| /* Read the configuration provided by a library user and zero-initialize |
| * missing fields. |
| * |
| * We keep the user's size value if it is smaller than sizeof(*@config) to |
| * allow decoders to detect missing configuration bits. |
| * |
| * Returns zero on success, a negative error code otherwise. |
| * Returns -pte_internal if @config is NULL. |
| * Returns -pte_invalid if @uconfig is NULL. |
| * Returns -pte_bad_config if @config is too small to be useful. |
| */ |
| extern int pt_config_from_user(struct pt_config *config, |
| const struct pt_config *uconfig); |
| |
| /* Get the configuration for the n'th address filter. |
| * |
| * Returns zero if @filter is NULL or @n is out of bounds. |
| * |
| * This corresponds to IA32_RTIT_CTL.ADDRn_CFG. |
| */ |
| extern uint32_t pt_filter_addr_cfg(const struct pt_conf_addr_filter *filter, |
| uint8_t n); |
| |
| /* Get the lower bound (inclusive) of the n'th address filter. |
| * |
| * Returns zero if @filter is NULL or @n is out of bounds. |
| * |
| * This corresponds to IA32_RTIT_ADDRn_A. |
| */ |
| extern uint64_t pt_filter_addr_a(const struct pt_conf_addr_filter *filter, |
| uint8_t n); |
| |
| /* Get the upper bound (inclusive) of the n'th address filter. |
| * |
| * Returns zero if @filter is NULL or @n is out of bounds. |
| * |
| * This corresponds to IA32_RTIT_ADDRn_B. |
| */ |
| extern uint64_t pt_filter_addr_b(const struct pt_conf_addr_filter *filter, |
| uint8_t n); |
| |
| /* Check address filters. |
| * |
| * Checks @addr against @filter. |
| * |
| * Returns a positive number if @addr lies in a tracing-enabled region. |
| * Returns zero if @addr lies in a tracing-disabled region. |
| * Returns a negative pt_error_code otherwise. |
| */ |
| extern int pt_filter_addr_check(const struct pt_conf_addr_filter *filter, |
| uint64_t addr); |