2017-01-14 02:26:46 +00:00
|
|
|
/* $NetBSD: t_extent.c,v 1.5 2017/01/13 21:30:41 christos Exp $ */
|
2014-10-01 04:07:17 +00:00
|
|
|
|
|
|
|
/*-
|
|
|
|
* Copyright (c) 2008 The NetBSD Foundation, Inc.
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <sys/cdefs.h>
|
|
|
|
__COPYRIGHT("@(#) Copyright (c) 2008\
|
|
|
|
The NetBSD Foundation, inc. All rights reserved.");
|
2017-01-14 02:26:46 +00:00
|
|
|
__RCSID("$NetBSD: t_extent.c,v 1.5 2017/01/13 21:30:41 christos Exp $");
|
2014-10-01 04:07:17 +00:00
|
|
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/queue.h>
|
|
|
|
#include <sys/extent.h>
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
#include <atf-c.h>
|
|
|
|
|
2017-01-14 02:26:46 +00:00
|
|
|
#include "h_macros.h"
|
2014-10-01 04:07:17 +00:00
|
|
|
|
|
|
|
static int ret;
|
|
|
|
static struct extent *ex;
|
|
|
|
|
|
|
|
#define h_create(name, start, end, flags) \
|
|
|
|
ATF_REQUIRE((ex = extent_create(name, \
|
|
|
|
start, end, 0, 0, flags)) != NULL);
|
|
|
|
|
|
|
|
#define h_alloc_region(start, size) \
|
|
|
|
ATF_REQUIRE_EQ_MSG(ret = extent_alloc_region(ex, \
|
|
|
|
start, size, 0), 0, "%s", strerror(ret));
|
|
|
|
|
|
|
|
#define h_free(start, size) \
|
|
|
|
ATF_REQUIRE_EQ_MSG(ret = extent_free(ex, \
|
|
|
|
start, size, 0), 0, "%s", strerror(ret));
|
|
|
|
|
|
|
|
static void
|
|
|
|
h_alloc_subregion(u_long substart, u_long subend, u_long size,
|
|
|
|
u_long alignment, u_long boundary, int expret, u_long expres)
|
|
|
|
{
|
|
|
|
u_long result;
|
|
|
|
|
|
|
|
#define FAIL(fmt, ...) \
|
|
|
|
atf_tc_fail("extent_alloc_subregion1(ex, %#lx, %#lx, %#lx, %#lx, 0, " \
|
|
|
|
"%#lx, 0, &result): " fmt, substart, subend, size, alignment, \
|
|
|
|
boundary, ##__VA_ARGS__)
|
|
|
|
|
|
|
|
ret = extent_alloc_subregion1(ex, substart, subend, size,
|
|
|
|
alignment, 0, boundary, 0, &result);
|
|
|
|
|
|
|
|
if (ret != expret)
|
|
|
|
FAIL("%s", strerror(errno));
|
|
|
|
|
|
|
|
if (expret == 0 && result != expres)
|
|
|
|
FAIL("result should be: %#lx, got: %#lx", expres, result);
|
|
|
|
#undef FAIL
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
h_require(const char *name, u_long start,
|
|
|
|
u_long end, int flags, const char *exp)
|
|
|
|
{
|
|
|
|
char buf[4096];
|
|
|
|
struct extent_region *rp;
|
|
|
|
int n = 0;
|
|
|
|
|
|
|
|
ATF_REQUIRE_STREQ_MSG(ex->ex_name, name,
|
|
|
|
"expected: \"%s\", got: \"%s\"", name, ex->ex_name);
|
|
|
|
ATF_REQUIRE_EQ_MSG(ex->ex_start, start,
|
|
|
|
"expected: %#lx, got: %#lx", start, ex->ex_start);
|
|
|
|
ATF_REQUIRE_EQ_MSG(ex->ex_end, end,
|
|
|
|
"expected: %#lx, got: %#lx", end, ex->ex_end);
|
|
|
|
ATF_REQUIRE_EQ_MSG(ex->ex_flags, flags,
|
|
|
|
"expected: %#x, got: %#x", flags, ex->ex_flags);
|
|
|
|
|
|
|
|
(void)memset(buf, 0, sizeof(buf));
|
|
|
|
LIST_FOREACH(rp, &ex->ex_regions, er_link)
|
|
|
|
n += snprintf(buf + n, sizeof(buf) - n,
|
|
|
|
"0x%lx - 0x%lx\n", rp->er_start, rp->er_end);
|
|
|
|
|
|
|
|
if (strcmp(buf, exp) == 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
printf("Incorrect extent map\n");
|
|
|
|
printf("Expected:\n%s\n", exp);
|
|
|
|
printf("Got:\n%s\n", buf);
|
|
|
|
atf_tc_fail("incorrect extent map");
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(coalesce);
|
|
|
|
ATF_TC_HEAD(coalesce, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Checks coalescing of regions");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(coalesce, tc)
|
|
|
|
{
|
|
|
|
h_create("test1", 0, 0x4f, 0);
|
|
|
|
|
|
|
|
h_alloc_region(0x00, 0x10);
|
|
|
|
h_alloc_region(0x20, 0x10);
|
|
|
|
h_alloc_region(0x40, 0x10);
|
|
|
|
h_alloc_region(0x10, 0x10);
|
|
|
|
h_alloc_subregion(0, 0x4f, 0x10, EX_NOALIGN, EX_NOBOUNDARY, 0, 0x30);
|
|
|
|
|
|
|
|
h_require("test1", 0x00, 0x4f, 0x00,
|
|
|
|
"0x0 - 0x4f\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(subregion1);
|
|
|
|
ATF_TC_HEAD(subregion1, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks that subregions work (PR kern/7539)");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(subregion1, tc)
|
|
|
|
{
|
|
|
|
h_create("test2", 0, 0x2f, EX_NOCOALESCE);
|
|
|
|
|
|
|
|
h_alloc_region(0x00, 0x10);
|
|
|
|
h_alloc_subregion(0x20, 0x30, 0x10, EX_NOALIGN, EX_NOBOUNDARY, 0, 0x20);
|
|
|
|
|
|
|
|
h_require("test2", 0x00, 0x2f, 0x2,
|
|
|
|
"0x0 - 0xf\n"
|
|
|
|
"0x20 - 0x2f\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(subregion2);
|
|
|
|
ATF_TC_HEAD(subregion2, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks that subregion allocations don't overlap with existing "
|
|
|
|
"ones (fixed in 1.25)");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(subregion2, tc)
|
|
|
|
{
|
|
|
|
h_create("test3", 0, 0x3f, EX_NOCOALESCE);
|
|
|
|
|
|
|
|
h_alloc_region(0x00, 0x20);
|
|
|
|
h_alloc_region(0x30, 0x10);
|
|
|
|
h_alloc_subregion(0x10, 0x3f, 0x10,
|
|
|
|
EX_NOALIGN, EX_NOBOUNDARY, 0, 0x20);
|
|
|
|
|
|
|
|
h_require("test3", 0x00, 0x3f, 0x2,
|
|
|
|
"0x0 - 0x1f\n"
|
|
|
|
"0x20 - 0x2f\n"
|
|
|
|
"0x30 - 0x3f\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(bound1);
|
|
|
|
ATF_TC_HEAD(bound1, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks for overflow in boundary check, before an allocated region "
|
|
|
|
"(fixed in 1.32)");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(bound1, tc)
|
|
|
|
{
|
|
|
|
h_create("test4", 0xf0000000, 0xffffffff, 0);
|
|
|
|
|
|
|
|
h_alloc_region(0xf1000000, 0x1);
|
|
|
|
h_alloc_subregion(0xf0000000, 0xffffffff, 0x1,
|
|
|
|
EX_NOALIGN, 0x20000000, 0, 0xf0000000);
|
|
|
|
|
|
|
|
h_require("test4", 0xf0000000, 0xffffffff, 0x0,
|
|
|
|
"0xf0000000 - 0xf0000000\n"
|
|
|
|
"0xf1000000 - 0xf1000000\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(bound2);
|
|
|
|
ATF_TC_HEAD(bound2, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks for overflow in boundary checks, before the subregion end "
|
|
|
|
"(fixed in 1.32)");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(bound2, tc)
|
|
|
|
{
|
|
|
|
h_create("test5", 0xf0000000, 0xffffffff, 0);
|
|
|
|
|
|
|
|
h_alloc_subregion(0xf0000000, 0xffffffff, 0x1,
|
|
|
|
EX_NOALIGN, 0x20000000, 0, 0xf0000000);
|
|
|
|
|
|
|
|
h_require("test5", 0xf0000000, 0xffffffff, 0x0,
|
|
|
|
"0xf0000000 - 0xf0000000\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(bound3);
|
|
|
|
ATF_TC_HEAD(bound3, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks allocation beyond last boundary line: last two "
|
|
|
|
"allocations should succeed without boundary \"fixups\"");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(bound3, tc)
|
|
|
|
{
|
|
|
|
h_create("test6", 0, 11, 0);
|
|
|
|
|
|
|
|
h_alloc_subregion(0, 11, 8, EX_NOALIGN, 8, 0, 0);
|
|
|
|
h_alloc_subregion(0, 11, 2, EX_NOALIGN, 8, 0, 0x8);
|
|
|
|
h_alloc_subregion(0, 11, 2, EX_NOALIGN, 8, 0, 0xa);
|
|
|
|
|
|
|
|
h_require("test6", 0x0, 0xb, 0x0, "0x0 - 0xb\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(bound4);
|
|
|
|
ATF_TC_HEAD(bound4, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks allocation beyond last boundary line: last allocation "
|
|
|
|
"should be bumped to the next boundary and exactly fit the "
|
|
|
|
"remaining space");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(bound4, tc)
|
|
|
|
{
|
|
|
|
h_create("test7", 0, 11, 0);
|
|
|
|
|
|
|
|
h_alloc_subregion(0, 11, 7, EX_NOALIGN, 8, 0, 0);
|
|
|
|
h_alloc_subregion(0, 11, 4, EX_NOALIGN, 8, 0, 8);
|
|
|
|
|
|
|
|
h_require("test7", 0x0, 0xb, 0x0,
|
|
|
|
"0x0 - 0x6\n"
|
|
|
|
"0x8 - 0xb\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(subregion3);
|
|
|
|
ATF_TC_HEAD(subregion3, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks that we don't allocate a region pasts the end of "
|
|
|
|
"subregion (i.e., the second alloc_subregion should fail). "
|
|
|
|
"subr_extent.c prior to rev. 1.43 allocated region starting "
|
|
|
|
"from 0x10");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(subregion3, tc)
|
|
|
|
{
|
|
|
|
h_create("test8", 0, 0x4f, EX_NOCOALESCE);
|
|
|
|
|
|
|
|
h_alloc_region(0x30, 0x10);
|
|
|
|
h_alloc_subregion(0, 0xf, 0x10, EX_NOALIGN, EX_NOBOUNDARY, 0, 0);
|
|
|
|
h_alloc_subregion(0, 0xf, 0x10, EX_NOALIGN, EX_NOBOUNDARY, EAGAIN, 0);
|
|
|
|
|
|
|
|
h_require("test8", 0x0, 0x4f, 0x2,
|
|
|
|
"0x0 - 0xf\n"
|
|
|
|
"0x30 - 0x3f\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(bound5);
|
|
|
|
ATF_TC_HEAD(bound5, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"When allocating a region with a boundary constraint, checks "
|
|
|
|
"proper detection of overflaps once the candidate region has "
|
|
|
|
"been aligned. subr_extent.c prior 1.45 could corrupt the extent "
|
|
|
|
"map in this situation");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(bound5, tc)
|
|
|
|
{
|
|
|
|
h_create("test9", 0, 0x4f, 0);
|
|
|
|
|
|
|
|
h_alloc_subregion(0, 0x10, 4, EX_NOALIGN, 0, 0, 0);
|
|
|
|
h_alloc_subregion(0xd, 0x20, 2, EX_NOALIGN, 0, 0, 0xd);
|
|
|
|
h_alloc_subregion(0, 0x4f, 8, EX_NOALIGN, 8, 0, 0x10);
|
|
|
|
|
|
|
|
h_require("test9", 0x0, 0x4f, 0x0,
|
|
|
|
"0x0 - 0x3\n"
|
|
|
|
"0xd - 0xe\n"
|
|
|
|
"0x10 - 0x17\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(free);
|
|
|
|
ATF_TC_HEAD(free, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Checks extent_free()");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(free, tc)
|
|
|
|
{
|
|
|
|
h_create("test10", 0xc0002000, 0xffffe000, EX_BOUNDZERO);
|
|
|
|
|
|
|
|
h_alloc_subregion(0xc0002000, 0xffffe000, 0x2000,
|
|
|
|
0x10000, 0x10000, 0, 0xc0010000);
|
|
|
|
h_alloc_subregion(0xc0002000, 0xffffe000, 0x2000,
|
|
|
|
0x10000, 0x10000, 0, 0xc0020000);
|
|
|
|
|
|
|
|
h_require("test10", 0xc0002000, 0xffffe000, 0x0,
|
|
|
|
"0xc0010000 - 0xc0011fff\n"
|
|
|
|
"0xc0020000 - 0xc0021fff\n");
|
|
|
|
|
|
|
|
h_free(0xc0020000, 0x2000);
|
|
|
|
h_require("test10", 0xc0002000, 0xffffe000, 0x0,
|
|
|
|
"0xc0010000 - 0xc0011fff\n");
|
|
|
|
|
|
|
|
h_alloc_subregion(0xc0002000, 0xffffe000, 0x10000,
|
|
|
|
0x10000, 0x10000, 0, 0xc0022000);
|
|
|
|
|
|
|
|
h_require("test10", 0xc0002000, 0xffffe000, 0x0,
|
|
|
|
"0xc0010000 - 0xc0011fff\n"
|
|
|
|
"0xc0022000 - 0xc0031fff\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TC(subregion4);
|
|
|
|
ATF_TC_HEAD(subregion4, tc)
|
|
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr",
|
|
|
|
"Checks for off-by-one bug which would cause a region at the end "
|
|
|
|
"of the extent to be allocated multiple times (fixed in 1.51)");
|
|
|
|
}
|
|
|
|
ATF_TC_BODY(subregion4, tc)
|
|
|
|
{
|
|
|
|
h_create("test11", 0x10, 0x20, EX_NOCOALESCE);
|
|
|
|
|
|
|
|
h_alloc_subregion(0x10, 0x13, 0x4, EX_NOALIGN, EX_NOBOUNDARY, 0, 0x10);
|
|
|
|
h_alloc_subregion(0x1e, 0x1f, 0x2, EX_NOALIGN, EX_NOBOUNDARY, 0, 0x1e);
|
|
|
|
h_alloc_subregion(0x20, 0x20, 0x1, EX_NOALIGN, EX_NOBOUNDARY, 0, 0x20);
|
|
|
|
h_alloc_subregion(0x20, 0x20, 0x1, EX_NOALIGN, EX_NOBOUNDARY, EAGAIN, 0);
|
|
|
|
h_alloc_subregion(0x10, 0x20, 0x1, EX_NOALIGN, EX_NOBOUNDARY, 0, 0x14);
|
|
|
|
|
|
|
|
h_require("test11", 0x10, 0x20, 0x2,
|
|
|
|
"0x10 - 0x13\n"
|
|
|
|
"0x14 - 0x14\n"
|
|
|
|
"0x1e - 0x1f\n"
|
|
|
|
"0x20 - 0x20\n");
|
|
|
|
|
|
|
|
extent_destroy(ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ATF_TP_ADD_TCS(tp)
|
|
|
|
{
|
|
|
|
ATF_TP_ADD_TC(tp, coalesce);
|
|
|
|
ATF_TP_ADD_TC(tp, subregion1);
|
|
|
|
ATF_TP_ADD_TC(tp, subregion2);
|
|
|
|
ATF_TP_ADD_TC(tp, bound1);
|
|
|
|
ATF_TP_ADD_TC(tp, bound2);
|
|
|
|
ATF_TP_ADD_TC(tp, bound3);
|
|
|
|
ATF_TP_ADD_TC(tp, bound4);
|
|
|
|
ATF_TP_ADD_TC(tp, subregion3);
|
|
|
|
ATF_TP_ADD_TC(tp, bound5);
|
|
|
|
ATF_TP_ADD_TC(tp, free);
|
|
|
|
ATF_TP_ADD_TC(tp, subregion4);
|
|
|
|
|
|
|
|
return atf_no_error();
|
|
|
|
}
|