199 lines
6.5 KiB
C
199 lines
6.5 KiB
C
/*
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* Copyright (c) 2016 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#include <sys/sysctl.h>
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extern kern_return_t test_pmap_enter_disconnect(unsigned int);
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extern kern_return_t test_pmap_compress_remove(unsigned int);
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extern kern_return_t test_pmap_exec_remove(unsigned int);
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extern kern_return_t test_pmap_nesting(unsigned int);
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extern kern_return_t test_pmap_iommu_disconnect(void);
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extern kern_return_t test_pmap_extended(void);
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extern void test_pmap_call_overhead(unsigned int);
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extern uint64_t test_pmap_page_protect_overhead(unsigned int, unsigned int);
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#if CONFIG_SPTM
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extern kern_return_t test_pmap_huge_pv_list(unsigned int, unsigned int);
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#endif
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static int
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sysctl_test_pmap_enter_disconnect(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int num_loops;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(num_loops), &num_loops, &changed);
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if (error || !changed) {
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return error;
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}
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return test_pmap_enter_disconnect(num_loops);
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_enter_disconnect_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_enter_disconnect, "I", "");
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static int
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sysctl_test_pmap_compress_remove(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int num_loops;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(num_loops), &num_loops, &changed);
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if (error || !changed) {
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return error;
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}
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return test_pmap_compress_remove(num_loops);
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_compress_remove_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_compress_remove, "I", "");
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static int
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sysctl_test_pmap_exec_remove(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int num_loops;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(num_loops), &num_loops, &changed);
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if (error || !changed) {
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return error;
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}
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return test_pmap_exec_remove(num_loops);
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_exec_remove_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_exec_remove, "I", "");
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static int
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sysctl_test_pmap_nesting(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int num_loops;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(num_loops), &num_loops, &changed);
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if (error || !changed) {
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return error;
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}
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return test_pmap_nesting(num_loops);
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_nesting_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_nesting, "I", "");
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static int
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sysctl_test_pmap_iommu_disconnect(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int run = 0;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(run), &run, &changed);
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if (error || !changed) {
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return error;
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}
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return test_pmap_iommu_disconnect();
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_iommu_disconnect_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_iommu_disconnect, "I", "");
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static int
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sysctl_test_pmap_extended(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int run = 0;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(run), &run, &changed);
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if (error || !changed) {
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return error;
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}
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return test_pmap_extended();
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_extended_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_extended, "I", "");
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static int
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sysctl_test_pmap_call_overhead(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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unsigned int num_loops;
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int error, changed;
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error = sysctl_io_number(req, 0, sizeof(num_loops), &num_loops, &changed);
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if (error || !changed) {
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return error;
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}
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test_pmap_call_overhead(num_loops);
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return 0;
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_call_overhead_test,
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CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
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0, 0, sysctl_test_pmap_call_overhead, "I", "");
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static int
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sysctl_test_pmap_page_protect_overhead(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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struct {
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unsigned int num_loops;
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unsigned int num_aliases;
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} ppo_in;
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int error;
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uint64_t duration;
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error = SYSCTL_IN(req, &ppo_in, sizeof(ppo_in));
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if (error) {
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return error;
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}
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duration = test_pmap_page_protect_overhead(ppo_in.num_loops, ppo_in.num_aliases);
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error = SYSCTL_OUT(req, &duration, sizeof(duration));
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return error;
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_page_protect_overhead_test,
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CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_LOCKED, 0, 0, sysctl_test_pmap_page_protect_overhead, "-", "");
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#if CONFIG_SPTM
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static int
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sysctl_test_pmap_huge_pv_list(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
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{
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struct {
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unsigned int num_loops;
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unsigned int num_mappings;
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} hugepv_in;
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int error = SYSCTL_IN(req, &hugepv_in, sizeof(hugepv_in));
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if (error) {
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return error;
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}
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return test_pmap_huge_pv_list(hugepv_in.num_loops, hugepv_in.num_mappings);
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}
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SYSCTL_PROC(_kern, OID_AUTO, pmap_huge_pv_list_test,
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CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_LOCKED, 0, 0, sysctl_test_pmap_huge_pv_list, "-", "");
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#endif
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