t_uvm_physseg_load.c revision 1.2.2.2
1 1.2.2.2 pgoyette /* $NetBSD: t_uvm_physseg_load.c,v 1.2.2.2 2017/01/07 08:56:56 pgoyette Exp $ */ 2 1.2.2.2 pgoyette 3 1.2.2.2 pgoyette /*- 4 1.2.2.2 pgoyette * Copyright (c) 2015, 2016 The NetBSD Foundation, Inc. 5 1.2.2.2 pgoyette * All rights reserved. 6 1.2.2.2 pgoyette * 7 1.2.2.2 pgoyette * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 pgoyette * by Santhosh N. Raju <santhosh.raju (at) gmail.com> and 9 1.2.2.2 pgoyette * by Cherry G. Mathew 10 1.2.2.2 pgoyette * 11 1.2.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 pgoyette * modification, are permitted provided that the following conditions 13 1.2.2.2 pgoyette * are met: 14 1.2.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 pgoyette * documentation and/or other materials provided with the distribution. 19 1.2.2.2 pgoyette * 20 1.2.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 1.2.2.2 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 1.2.2.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 1.2.2.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 1.2.2.2 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 1.2.2.2 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 1.2.2.2 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 1.2.2.2 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 1.2.2.2 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 1.2.2.2 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 1.2.2.2 pgoyette * POSSIBILITY OF SUCH DAMAGE. 31 1.2.2.2 pgoyette */ 32 1.2.2.2 pgoyette 33 1.2.2.2 pgoyette #include <sys/cdefs.h> 34 1.2.2.2 pgoyette __RCSID("$NetBSD: t_uvm_physseg_load.c,v 1.2.2.2 2017/01/07 08:56:56 pgoyette Exp $"); 35 1.2.2.2 pgoyette 36 1.2.2.2 pgoyette /* 37 1.2.2.2 pgoyette * If this line is commented out tests related touvm_physseg_get_pmseg() 38 1.2.2.2 pgoyette * wont run. 39 1.2.2.2 pgoyette * 40 1.2.2.2 pgoyette * Have a look at machine/uvm_physseg.h for more details. 41 1.2.2.2 pgoyette */ 42 1.2.2.2 pgoyette #define __HAVE_PMAP_PHYSSEG 43 1.2.2.2 pgoyette 44 1.2.2.2 pgoyette /* 45 1.2.2.2 pgoyette * This is a dummy struct used for testing purposes 46 1.2.2.2 pgoyette * 47 1.2.2.2 pgoyette * In reality this struct would exist in the MD part of the code residing in 48 1.2.2.2 pgoyette * machines/vmparam.h 49 1.2.2.2 pgoyette */ 50 1.2.2.2 pgoyette 51 1.2.2.2 pgoyette #ifdef __HAVE_PMAP_PHYSSEG 52 1.2.2.2 pgoyette struct pmap_physseg { 53 1.2.2.2 pgoyette int dummy_variable; /* Dummy variable use for testing */ 54 1.2.2.2 pgoyette }; 55 1.2.2.2 pgoyette #endif 56 1.2.2.2 pgoyette 57 1.2.2.2 pgoyette /* Testing API - assumes userland */ 58 1.2.2.2 pgoyette /* Provide Kernel API equivalents */ 59 1.2.2.2 pgoyette #include <assert.h> 60 1.2.2.2 pgoyette #include <stdbool.h> 61 1.2.2.2 pgoyette #include <string.h> /* memset(3) et. al */ 62 1.2.2.2 pgoyette #include <stdio.h> /* printf(3) */ 63 1.2.2.2 pgoyette #include <stdlib.h> /* malloc(3) */ 64 1.2.2.2 pgoyette #include <stdarg.h> 65 1.2.2.2 pgoyette #include <stddef.h> 66 1.2.2.2 pgoyette #include <time.h> 67 1.2.2.2 pgoyette 68 1.2.2.2 pgoyette #define PRIxPADDR "lx" 69 1.2.2.2 pgoyette #define PRIxPSIZE "lx" 70 1.2.2.2 pgoyette #define PRIuPSIZE "lu" 71 1.2.2.2 pgoyette #define PRIxVADDR "lx" 72 1.2.2.2 pgoyette #define PRIxVSIZE "lx" 73 1.2.2.2 pgoyette #define PRIuVSIZE "lu" 74 1.2.2.2 pgoyette 75 1.2.2.2 pgoyette #define UVM_HOTPLUG /* Enable hotplug with rbtree. */ 76 1.2.2.2 pgoyette #define PMAP_STEAL_MEMORY 77 1.2.2.2 pgoyette #define DEBUG /* Enable debug functionality. */ 78 1.2.2.2 pgoyette 79 1.2.2.2 pgoyette typedef unsigned long vaddr_t; 80 1.2.2.2 pgoyette typedef unsigned long paddr_t; 81 1.2.2.2 pgoyette typedef unsigned long psize_t; 82 1.2.2.2 pgoyette typedef unsigned long vsize_t; 83 1.2.2.2 pgoyette 84 1.2.2.2 pgoyette #include <uvm/uvm_physseg.h> 85 1.2.2.2 pgoyette #include <uvm/uvm_page.h> 86 1.2.2.2 pgoyette 87 1.2.2.2 pgoyette #ifndef DIAGNOSTIC 88 1.2.2.2 pgoyette #define KASSERTMSG(e, msg, ...) /* NOTHING */ 89 1.2.2.2 pgoyette #define KASSERT(e) /* NOTHING */ 90 1.2.2.2 pgoyette #else 91 1.2.2.2 pgoyette #define KASSERT(a) assert(a) 92 1.2.2.2 pgoyette #define KASSERTMSG(exp, ...) printf(__VA_ARGS__); assert((exp)) 93 1.2.2.2 pgoyette #endif 94 1.2.2.2 pgoyette 95 1.2.2.2 pgoyette #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 96 1.2.2.2 pgoyette 97 1.2.2.2 pgoyette #define VM_NFREELIST 4 98 1.2.2.2 pgoyette #define VM_FREELIST_DEFAULT 0 99 1.2.2.2 pgoyette #define VM_FREELIST_FIRST16 3 100 1.2.2.2 pgoyette #define VM_FREELIST_FIRST1G 2 101 1.2.2.2 pgoyette #define VM_FREELIST_FIRST4G 1 102 1.2.2.2 pgoyette 103 1.2.2.2 pgoyette /* 104 1.2.2.2 pgoyette * Used in tests when Array implementation is tested 105 1.2.2.2 pgoyette */ 106 1.2.2.2 pgoyette #if !defined(VM_PHYSSEG_MAX) 107 1.2.2.2 pgoyette #define VM_PHYSSEG_MAX 32 108 1.2.2.2 pgoyette #endif 109 1.2.2.2 pgoyette 110 1.2.2.2 pgoyette #define PAGE_SIZE 4096 111 1.2.2.2 pgoyette #define PAGE_SHIFT 12 112 1.2.2.2 pgoyette #define atop(x) (((paddr_t)(x)) >> PAGE_SHIFT) 113 1.2.2.2 pgoyette 114 1.2.2.2 pgoyette #define mutex_enter(l) 115 1.2.2.2 pgoyette #define mutex_exit(l) 116 1.2.2.2 pgoyette 117 1.2.2.2 pgoyette #define _SYS_KMEM_H_ /* Disallow the real kmem API (see below) */ 118 1.2.2.2 pgoyette /* free(p) XXX: pgs management need more thought */ 119 1.2.2.2 pgoyette #define kmem_alloc(size, flags) malloc(size) 120 1.2.2.2 pgoyette #define kmem_zalloc(size, flags) malloc(size) 121 1.2.2.2 pgoyette #define kmem_free(p, size) free(p) 122 1.2.2.2 pgoyette 123 1.2.2.2 pgoyette psize_t physmem; 124 1.2.2.2 pgoyette 125 1.2.2.2 pgoyette struct uvmexp uvmexp; /* decl */ 126 1.2.2.2 pgoyette 127 1.2.2.2 pgoyette /* 128 1.2.2.2 pgoyette * uvm structure borrowed from uvm.h 129 1.2.2.2 pgoyette * 130 1.2.2.2 pgoyette * Remember this is a dummy structure used within the ATF Tests and 131 1.2.2.2 pgoyette * uses only necessary fields from the original uvm struct. 132 1.2.2.2 pgoyette * See uvm/uvm.h for the full struct. 133 1.2.2.2 pgoyette */ 134 1.2.2.2 pgoyette 135 1.2.2.2 pgoyette struct uvm { 136 1.2.2.2 pgoyette /* vm_page related parameters */ 137 1.2.2.2 pgoyette 138 1.2.2.2 pgoyette bool page_init_done; /* TRUE if uvm_page_init() finished */ 139 1.2.2.2 pgoyette } uvm; 140 1.2.2.2 pgoyette 141 1.2.2.2 pgoyette static void 142 1.2.2.2 pgoyette panic(const char *fmt, ...) 143 1.2.2.2 pgoyette { 144 1.2.2.2 pgoyette va_list ap; 145 1.2.2.2 pgoyette 146 1.2.2.2 pgoyette va_start(ap, fmt); 147 1.2.2.2 pgoyette vprintf(fmt, ap); 148 1.2.2.2 pgoyette printf("\n"); 149 1.2.2.2 pgoyette va_end(ap); 150 1.2.2.2 pgoyette KASSERT(false); 151 1.2.2.2 pgoyette 152 1.2.2.2 pgoyette /*NOTREACHED*/ 153 1.2.2.2 pgoyette } 154 1.2.2.2 pgoyette 155 1.2.2.2 pgoyette static void 156 1.2.2.2 pgoyette uvm_pagefree(struct vm_page *pg) 157 1.2.2.2 pgoyette { 158 1.2.2.2 pgoyette return; 159 1.2.2.2 pgoyette } 160 1.2.2.2 pgoyette 161 1.2.2.2 pgoyette #if defined(UVM_HOTPLUG) 162 1.2.2.2 pgoyette static void 163 1.2.2.2 pgoyette uvmpdpol_reinit(void) 164 1.2.2.2 pgoyette { 165 1.2.2.2 pgoyette return; 166 1.2.2.2 pgoyette } 167 1.2.2.2 pgoyette #endif /* UVM_HOTPLUG */ 168 1.2.2.2 pgoyette 169 1.2.2.2 pgoyette /* end - Provide Kernel API equivalents */ 170 1.2.2.2 pgoyette 171 1.2.2.2 pgoyette #include "uvm/uvm_physseg.c" 172 1.2.2.2 pgoyette 173 1.2.2.2 pgoyette #include <atf-c.h> 174 1.2.2.2 pgoyette 175 1.2.2.2 pgoyette #define ONE_MEGABYTE 1024 * 1024 176 1.2.2.2 pgoyette 177 1.2.2.2 pgoyette /* Sample Page Frame Numbers */ 178 1.2.2.2 pgoyette #define VALID_START_PFN_1 atop(0) 179 1.2.2.2 pgoyette #define VALID_END_PFN_1 atop(ONE_MEGABYTE) 180 1.2.2.2 pgoyette #define VALID_AVAIL_START_PFN_1 atop(0) 181 1.2.2.2 pgoyette #define VALID_AVAIL_END_PFN_1 atop(ONE_MEGABYTE) 182 1.2.2.2 pgoyette 183 1.2.2.2 pgoyette #define VALID_START_PFN_2 atop(ONE_MEGABYTE + 1) 184 1.2.2.2 pgoyette #define VALID_END_PFN_2 atop(ONE_MEGABYTE * 2) 185 1.2.2.2 pgoyette #define VALID_AVAIL_START_PFN_2 atop(ONE_MEGABYTE + 1) 186 1.2.2.2 pgoyette #define VALID_AVAIL_END_PFN_2 atop(ONE_MEGABYTE * 2) 187 1.2.2.2 pgoyette 188 1.2.2.2 pgoyette #define VALID_START_PFN_3 atop((ONE_MEGABYTE * 2) + 1) 189 1.2.2.2 pgoyette #define VALID_END_PFN_3 atop(ONE_MEGABYTE * 3) 190 1.2.2.2 pgoyette #define VALID_AVAIL_START_PFN_3 atop((ONE_MEGABYTE * 2) + 1) 191 1.2.2.2 pgoyette #define VALID_AVAIL_END_PFN_3 atop(ONE_MEGABYTE * 3) 192 1.2.2.2 pgoyette 193 1.2.2.2 pgoyette #define VALID_START_PFN_4 atop(ONE_MEGABYTE + 1) 194 1.2.2.2 pgoyette #define VALID_END_PFN_4 atop(ONE_MEGABYTE * 128) 195 1.2.2.2 pgoyette #define VALID_AVAIL_START_PFN_4 atop(ONE_MEGABYTE + 1) 196 1.2.2.2 pgoyette #define VALID_AVAIL_END_PFN_4 atop(ONE_MEGABYTE * 128) 197 1.2.2.2 pgoyette 198 1.2.2.2 pgoyette #define VALID_START_PFN_5 atop(ONE_MEGABYTE + 1) 199 1.2.2.2 pgoyette #define VALID_END_PFN_5 atop(ONE_MEGABYTE * 256) 200 1.2.2.2 pgoyette #define VALID_AVAIL_START_PFN_5 atop(ONE_MEGABYTE + 1) 201 1.2.2.2 pgoyette #define VALID_AVAIL_END_PFN_5 atop(ONE_MEGABYTE * 256) 202 1.2.2.2 pgoyette 203 1.2.2.2 pgoyette /* 204 1.2.2.2 pgoyette * Total number of pages (of 4K size each) should be 256 for 1MB of memory. 205 1.2.2.2 pgoyette */ 206 1.2.2.2 pgoyette #define PAGE_COUNT_1M 256 207 1.2.2.2 pgoyette 208 1.2.2.2 pgoyette /* 209 1.2.2.2 pgoyette * The number of Page Frames to allot per segment 210 1.2.2.2 pgoyette */ 211 1.2.2.2 pgoyette #define PF_STEP 8 212 1.2.2.2 pgoyette 213 1.2.2.2 pgoyette /* 214 1.2.2.2 pgoyette * A debug fucntion to print the content of upm. 215 1.2.2.2 pgoyette */ 216 1.2.2.2 pgoyette static inline void 217 1.2.2.2 pgoyette uvm_physseg_dump_seg(uvm_physseg_t upm) 218 1.2.2.2 pgoyette { 219 1.2.2.2 pgoyette #if defined(DEBUG) 220 1.2.2.2 pgoyette printf("%s: seg->start == %ld\n", __func__, 221 1.2.2.2 pgoyette uvm_physseg_get_start(upm)); 222 1.2.2.2 pgoyette printf("%s: seg->end == %ld\n", __func__, 223 1.2.2.2 pgoyette uvm_physseg_get_end(upm)); 224 1.2.2.2 pgoyette printf("%s: seg->avail_start == %ld\n", __func__, 225 1.2.2.2 pgoyette uvm_physseg_get_avail_start(upm)); 226 1.2.2.2 pgoyette printf("%s: seg->avail_end == %ld\n", __func__, 227 1.2.2.2 pgoyette uvm_physseg_get_avail_end(upm)); 228 1.2.2.2 pgoyette 229 1.2.2.2 pgoyette printf("====\n\n"); 230 1.2.2.2 pgoyette #else 231 1.2.2.2 pgoyette return; 232 1.2.2.2 pgoyette #endif /* DEBUG */ 233 1.2.2.2 pgoyette } 234 1.2.2.2 pgoyette 235 1.2.2.2 pgoyette /* 236 1.2.2.2 pgoyette * Private accessor that gets the value of vm_physmem.nentries 237 1.2.2.2 pgoyette */ 238 1.2.2.2 pgoyette static int 239 1.2.2.2 pgoyette uvm_physseg_get_entries(void) 240 1.2.2.2 pgoyette { 241 1.2.2.2 pgoyette #if defined(UVM_HOTPLUG) 242 1.2.2.2 pgoyette return uvm_physseg_graph.nentries; 243 1.2.2.2 pgoyette #else 244 1.2.2.2 pgoyette return vm_nphysmem; 245 1.2.2.2 pgoyette #endif /* UVM_HOTPLUG */ 246 1.2.2.2 pgoyette } 247 1.2.2.2 pgoyette 248 1.2.2.2 pgoyette /* 249 1.2.2.2 pgoyette * Note: This function replicates verbatim what happens in 250 1.2.2.2 pgoyette * uvm_page.c:uvm_page_init(). 251 1.2.2.2 pgoyette * 252 1.2.2.2 pgoyette * Please track any changes that happen there. 253 1.2.2.2 pgoyette */ 254 1.2.2.2 pgoyette static void 255 1.2.2.2 pgoyette uvm_page_init_fake(struct vm_page *pagearray, psize_t pagecount) 256 1.2.2.2 pgoyette { 257 1.2.2.2 pgoyette uvm_physseg_t bank; 258 1.2.2.2 pgoyette size_t n; 259 1.2.2.2 pgoyette 260 1.2.2.2 pgoyette for (bank = uvm_physseg_get_first(), 261 1.2.2.2 pgoyette uvm_physseg_seg_chomp_slab(bank, pagearray, pagecount); 262 1.2.2.2 pgoyette uvm_physseg_valid_p(bank); 263 1.2.2.2 pgoyette bank = uvm_physseg_get_next(bank)) { 264 1.2.2.2 pgoyette 265 1.2.2.2 pgoyette n = uvm_physseg_get_end(bank) - uvm_physseg_get_start(bank); 266 1.2.2.2 pgoyette uvm_physseg_seg_alloc_from_slab(bank, n); 267 1.2.2.2 pgoyette uvm_physseg_init_seg(bank, pagearray); 268 1.2.2.2 pgoyette 269 1.2.2.2 pgoyette /* set up page array pointers */ 270 1.2.2.2 pgoyette pagearray += n; 271 1.2.2.2 pgoyette pagecount -= n; 272 1.2.2.2 pgoyette } 273 1.2.2.2 pgoyette 274 1.2.2.2 pgoyette uvm.page_init_done = true; 275 1.2.2.2 pgoyette } 276 1.2.2.2 pgoyette 277 1.2.2.2 pgoyette /* 278 1.2.2.2 pgoyette * PHYS_TO_VM_PAGE: find vm_page for a PA. used by MI code to get vm_pages 279 1.2.2.2 pgoyette * back from an I/O mapping (ugh!). used in some MD code as well. 280 1.2.2.2 pgoyette */ 281 1.2.2.2 pgoyette static struct vm_page * 282 1.2.2.2 pgoyette uvm_phys_to_vm_page(paddr_t pa) 283 1.2.2.2 pgoyette { 284 1.2.2.2 pgoyette paddr_t pf = atop(pa); 285 1.2.2.2 pgoyette paddr_t off; 286 1.2.2.2 pgoyette uvm_physseg_t psi; 287 1.2.2.2 pgoyette 288 1.2.2.2 pgoyette psi = uvm_physseg_find(pf, &off); 289 1.2.2.2 pgoyette if (psi != UVM_PHYSSEG_TYPE_INVALID) 290 1.2.2.2 pgoyette return uvm_physseg_get_pg(psi, off); 291 1.2.2.2 pgoyette return(NULL); 292 1.2.2.2 pgoyette } 293 1.2.2.2 pgoyette 294 1.2.2.2 pgoyette //static paddr_t 295 1.2.2.2 pgoyette //uvm_vm_page_to_phys(const struct vm_page *pg) 296 1.2.2.2 pgoyette //{ 297 1.2.2.2 pgoyette // 298 1.2.2.2 pgoyette // return pg->phys_addr; 299 1.2.2.2 pgoyette //} 300 1.2.2.2 pgoyette 301 1.2.2.2 pgoyette /* 302 1.2.2.2 pgoyette * XXX: To do, write control test cases for uvm_vm_page_to_phys(). 303 1.2.2.2 pgoyette */ 304 1.2.2.2 pgoyette 305 1.2.2.2 pgoyette /* #define VM_PAGE_TO_PHYS(entry) uvm_vm_page_to_phys(entry) */ 306 1.2.2.2 pgoyette 307 1.2.2.2 pgoyette #define PHYS_TO_VM_PAGE(pa) uvm_phys_to_vm_page(pa) 308 1.2.2.2 pgoyette 309 1.2.2.2 pgoyette /* 310 1.2.2.2 pgoyette * Test Fixture SetUp(). 311 1.2.2.2 pgoyette */ 312 1.2.2.2 pgoyette static void 313 1.2.2.2 pgoyette setup(void) 314 1.2.2.2 pgoyette { 315 1.2.2.2 pgoyette /* Prerequisites for running certain calls in uvm_physseg */ 316 1.2.2.2 pgoyette uvmexp.pagesize = PAGE_SIZE; 317 1.2.2.2 pgoyette uvmexp.npages = 0; 318 1.2.2.2 pgoyette uvm.page_init_done = false; 319 1.2.2.2 pgoyette uvm_physseg_init(); 320 1.2.2.2 pgoyette } 321 1.2.2.2 pgoyette 322 1.2.2.2 pgoyette ATF_TC(uvm_physseg_100); 323 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_100, tc) 324 1.2.2.2 pgoyette { 325 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 326 1.2.2.2 pgoyette 100 calls, VM_PHYSSEG_MAX is 32."); 327 1.2.2.2 pgoyette } 328 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_100, tc) 329 1.2.2.2 pgoyette { 330 1.2.2.2 pgoyette paddr_t pa; 331 1.2.2.2 pgoyette 332 1.2.2.2 pgoyette setup(); 333 1.2.2.2 pgoyette 334 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 335 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 336 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 337 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 338 1.2.2.2 pgoyette } 339 1.2.2.2 pgoyette 340 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 341 1.2.2.2 pgoyette 342 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 343 1.2.2.2 pgoyette for(int i = 0; i < 100; i++) { 344 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 345 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 346 1.2.2.2 pgoyette } 347 1.2.2.2 pgoyette 348 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 349 1.2.2.2 pgoyette } 350 1.2.2.2 pgoyette 351 1.2.2.2 pgoyette ATF_TC(uvm_physseg_1K); 352 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_1K, tc) 353 1.2.2.2 pgoyette { 354 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 355 1.2.2.2 pgoyette 1000 calls, VM_PHYSSEG_MAX is 32."); 356 1.2.2.2 pgoyette } 357 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_1K, tc) 358 1.2.2.2 pgoyette { 359 1.2.2.2 pgoyette paddr_t pa; 360 1.2.2.2 pgoyette 361 1.2.2.2 pgoyette setup(); 362 1.2.2.2 pgoyette 363 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 364 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 365 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 366 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 367 1.2.2.2 pgoyette } 368 1.2.2.2 pgoyette 369 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 370 1.2.2.2 pgoyette 371 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 372 1.2.2.2 pgoyette for(int i = 0; i < 1000; i++) { 373 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 374 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 375 1.2.2.2 pgoyette } 376 1.2.2.2 pgoyette 377 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 378 1.2.2.2 pgoyette } 379 1.2.2.2 pgoyette 380 1.2.2.2 pgoyette ATF_TC(uvm_physseg_10K); 381 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_10K, tc) 382 1.2.2.2 pgoyette { 383 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 384 1.2.2.2 pgoyette 10,000 calls, VM_PHYSSEG_MAX is 32."); 385 1.2.2.2 pgoyette } 386 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_10K, tc) 387 1.2.2.2 pgoyette { 388 1.2.2.2 pgoyette paddr_t pa; 389 1.2.2.2 pgoyette 390 1.2.2.2 pgoyette setup(); 391 1.2.2.2 pgoyette 392 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 393 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 394 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 395 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 396 1.2.2.2 pgoyette } 397 1.2.2.2 pgoyette 398 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 399 1.2.2.2 pgoyette 400 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 401 1.2.2.2 pgoyette for(int i = 0; i < 10000; i++) { 402 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 403 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 404 1.2.2.2 pgoyette } 405 1.2.2.2 pgoyette 406 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 407 1.2.2.2 pgoyette } 408 1.2.2.2 pgoyette 409 1.2.2.2 pgoyette ATF_TC(uvm_physseg_100K); 410 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_100K, tc) 411 1.2.2.2 pgoyette { 412 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 413 1.2.2.2 pgoyette 100,000 calls, VM_PHYSSEG_MAX is 32."); 414 1.2.2.2 pgoyette } 415 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_100K, tc) 416 1.2.2.2 pgoyette { 417 1.2.2.2 pgoyette paddr_t pa; 418 1.2.2.2 pgoyette 419 1.2.2.2 pgoyette setup(); 420 1.2.2.2 pgoyette 421 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 422 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 423 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 424 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 425 1.2.2.2 pgoyette } 426 1.2.2.2 pgoyette 427 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 428 1.2.2.2 pgoyette 429 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 430 1.2.2.2 pgoyette for(int i = 0; i < 100000; i++) { 431 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 432 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 433 1.2.2.2 pgoyette } 434 1.2.2.2 pgoyette 435 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 436 1.2.2.2 pgoyette } 437 1.2.2.2 pgoyette 438 1.2.2.2 pgoyette ATF_TC(uvm_physseg_1M); 439 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_1M, tc) 440 1.2.2.2 pgoyette { 441 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 442 1.2.2.2 pgoyette 1,000,000 calls, VM_PHYSSEG_MAX is 32."); 443 1.2.2.2 pgoyette } 444 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_1M, tc) 445 1.2.2.2 pgoyette { 446 1.2.2.2 pgoyette paddr_t pa; 447 1.2.2.2 pgoyette 448 1.2.2.2 pgoyette setup(); 449 1.2.2.2 pgoyette 450 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 451 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 452 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 453 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 454 1.2.2.2 pgoyette } 455 1.2.2.2 pgoyette 456 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 457 1.2.2.2 pgoyette 458 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 459 1.2.2.2 pgoyette for(int i = 0; i < 1000000; i++) { 460 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 461 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 462 1.2.2.2 pgoyette } 463 1.2.2.2 pgoyette 464 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 465 1.2.2.2 pgoyette } 466 1.2.2.2 pgoyette 467 1.2.2.2 pgoyette ATF_TC(uvm_physseg_10M); 468 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_10M, tc) 469 1.2.2.2 pgoyette { 470 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 471 1.2.2.2 pgoyette 10,000,000 calls, VM_PHYSSEG_MAX is 32."); 472 1.2.2.2 pgoyette } 473 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_10M, tc) 474 1.2.2.2 pgoyette { 475 1.2.2.2 pgoyette paddr_t pa; 476 1.2.2.2 pgoyette 477 1.2.2.2 pgoyette setup(); 478 1.2.2.2 pgoyette 479 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 480 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 481 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 482 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 483 1.2.2.2 pgoyette } 484 1.2.2.2 pgoyette 485 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 486 1.2.2.2 pgoyette 487 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 488 1.2.2.2 pgoyette for(int i = 0; i < 10000000; i++) { 489 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 490 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 491 1.2.2.2 pgoyette } 492 1.2.2.2 pgoyette 493 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 494 1.2.2.2 pgoyette } 495 1.2.2.2 pgoyette 496 1.2.2.2 pgoyette ATF_TC(uvm_physseg_100M); 497 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_100M, tc) 498 1.2.2.2 pgoyette { 499 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 500 1.2.2.2 pgoyette 100,000,000 calls, VM_PHYSSEG_MAX is 32."); 501 1.2.2.2 pgoyette } 502 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_100M, tc) 503 1.2.2.2 pgoyette { 504 1.2.2.2 pgoyette paddr_t pa; 505 1.2.2.2 pgoyette 506 1.2.2.2 pgoyette setup(); 507 1.2.2.2 pgoyette 508 1.2.2.2 pgoyette for(paddr_t i = VALID_START_PFN_1; 509 1.2.2.2 pgoyette i < VALID_END_PFN_1; i += PF_STEP) { 510 1.2.2.2 pgoyette uvm_page_physload(i, i + PF_STEP, i, i + PF_STEP, 511 1.2.2.2 pgoyette VM_FREELIST_DEFAULT); 512 1.2.2.2 pgoyette } 513 1.2.2.2 pgoyette 514 1.2.2.2 pgoyette ATF_REQUIRE_EQ(VM_PHYSSEG_MAX, uvm_physseg_get_entries()); 515 1.2.2.2 pgoyette 516 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 517 1.2.2.2 pgoyette for(int i = 0; i < 100000000; i++) { 518 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_1); 519 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 520 1.2.2.2 pgoyette } 521 1.2.2.2 pgoyette 522 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 523 1.2.2.2 pgoyette } 524 1.2.2.2 pgoyette 525 1.2.2.2 pgoyette ATF_TC(uvm_physseg_1MB); 526 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_1MB, tc) 527 1.2.2.2 pgoyette { 528 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 529 1.2.2.2 pgoyette 10,000,000 calls, VM_PHYSSEG_MAX is 32 on 1 MB Segment."); 530 1.2.2.2 pgoyette } 531 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_1MB, t) 532 1.2.2.2 pgoyette { 533 1.2.2.2 pgoyette paddr_t pa = 0; 534 1.2.2.2 pgoyette 535 1.2.2.2 pgoyette paddr_t pf = 0; 536 1.2.2.2 pgoyette 537 1.2.2.2 pgoyette psize_t pf_chunk_size = 0; 538 1.2.2.2 pgoyette 539 1.2.2.2 pgoyette psize_t npages1 = (VALID_END_PFN_1 - VALID_START_PFN_1); 540 1.2.2.2 pgoyette 541 1.2.2.2 pgoyette psize_t npages2 = (VALID_END_PFN_2 - VALID_START_PFN_2); 542 1.2.2.2 pgoyette 543 1.2.2.2 pgoyette struct vm_page *slab = malloc(sizeof(struct vm_page) * 544 1.2.2.2 pgoyette (npages1 + npages2)); 545 1.2.2.2 pgoyette 546 1.2.2.2 pgoyette setup(); 547 1.2.2.2 pgoyette 548 1.2.2.2 pgoyette /* We start with zero segments */ 549 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_1, npages1, NULL)); 550 1.2.2.2 pgoyette ATF_REQUIRE_EQ(1, uvm_physseg_get_entries()); 551 1.2.2.2 pgoyette 552 1.2.2.2 pgoyette /* Post boot: Fake all segments and pages accounted for. */ 553 1.2.2.2 pgoyette uvm_page_init_fake(slab, npages1 + npages2); 554 1.2.2.2 pgoyette 555 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_2, npages2, NULL)); 556 1.2.2.2 pgoyette ATF_REQUIRE_EQ(2, uvm_physseg_get_entries()); 557 1.2.2.2 pgoyette 558 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 559 1.2.2.2 pgoyette for(pf = VALID_START_PFN_2; pf < VALID_END_PFN_2; pf += PF_STEP) { 560 1.2.2.2 pgoyette pf_chunk_size = (psize_t) random() % (psize_t) (PF_STEP - 1) + 1; 561 1.2.2.2 pgoyette uvm_physseg_unplug(pf, pf_chunk_size); 562 1.2.2.2 pgoyette } 563 1.2.2.2 pgoyette 564 1.2.2.2 pgoyette for(int i = 0; i < 10000000; i++) { 565 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_2); 566 1.2.2.2 pgoyette if(pa < ctob(VALID_START_PFN_2)) 567 1.2.2.2 pgoyette pa += ctob(VALID_START_PFN_2); 568 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 569 1.2.2.2 pgoyette } 570 1.2.2.2 pgoyette 571 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 572 1.2.2.2 pgoyette } 573 1.2.2.2 pgoyette 574 1.2.2.2 pgoyette ATF_TC(uvm_physseg_64MB); 575 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_64MB, tc) 576 1.2.2.2 pgoyette { 577 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 578 1.2.2.2 pgoyette 10,000,000 calls, VM_PHYSSEG_MAX is 32 on 64 MB Segment."); 579 1.2.2.2 pgoyette } 580 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_64MB, t) 581 1.2.2.2 pgoyette { 582 1.2.2.2 pgoyette paddr_t pa = 0; 583 1.2.2.2 pgoyette 584 1.2.2.2 pgoyette paddr_t pf = 0; 585 1.2.2.2 pgoyette 586 1.2.2.2 pgoyette psize_t pf_chunk_size = 0; 587 1.2.2.2 pgoyette 588 1.2.2.2 pgoyette psize_t npages1 = (VALID_END_PFN_1 - VALID_START_PFN_1); 589 1.2.2.2 pgoyette 590 1.2.2.2 pgoyette psize_t npages2 = (VALID_END_PFN_3 - VALID_START_PFN_3); 591 1.2.2.2 pgoyette 592 1.2.2.2 pgoyette struct vm_page *slab = malloc(sizeof(struct vm_page) * 593 1.2.2.2 pgoyette (npages1 + npages2)); 594 1.2.2.2 pgoyette 595 1.2.2.2 pgoyette setup(); 596 1.2.2.2 pgoyette 597 1.2.2.2 pgoyette /* We start with zero segments */ 598 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_1, npages1, NULL)); 599 1.2.2.2 pgoyette ATF_REQUIRE_EQ(1, uvm_physseg_get_entries()); 600 1.2.2.2 pgoyette 601 1.2.2.2 pgoyette /* Post boot: Fake all segments and pages accounted for. */ 602 1.2.2.2 pgoyette uvm_page_init_fake(slab, npages1 + npages2); 603 1.2.2.2 pgoyette 604 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_3, npages2, NULL)); 605 1.2.2.2 pgoyette ATF_REQUIRE_EQ(2, uvm_physseg_get_entries()); 606 1.2.2.2 pgoyette 607 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 608 1.2.2.2 pgoyette for(pf = VALID_START_PFN_3; pf < VALID_END_PFN_3; pf += PF_STEP) { 609 1.2.2.2 pgoyette pf_chunk_size = (psize_t) random() % (psize_t) (PF_STEP - 1) + 1; 610 1.2.2.2 pgoyette uvm_physseg_unplug(pf, pf_chunk_size); 611 1.2.2.2 pgoyette } 612 1.2.2.2 pgoyette 613 1.2.2.2 pgoyette for(int i = 0; i < 10000000; i++) { 614 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_3); 615 1.2.2.2 pgoyette if(pa < ctob(VALID_START_PFN_3)) 616 1.2.2.2 pgoyette pa += ctob(VALID_START_PFN_3); 617 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 618 1.2.2.2 pgoyette } 619 1.2.2.2 pgoyette 620 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 621 1.2.2.2 pgoyette } 622 1.2.2.2 pgoyette 623 1.2.2.2 pgoyette ATF_TC(uvm_physseg_128MB); 624 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_128MB, tc) 625 1.2.2.2 pgoyette { 626 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 627 1.2.2.2 pgoyette 10,000,000 calls, VM_PHYSSEG_MAX is 32 on 128 MB Segment."); 628 1.2.2.2 pgoyette } 629 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_128MB, t) 630 1.2.2.2 pgoyette { 631 1.2.2.2 pgoyette paddr_t pa = 0; 632 1.2.2.2 pgoyette 633 1.2.2.2 pgoyette paddr_t pf = 0; 634 1.2.2.2 pgoyette 635 1.2.2.2 pgoyette psize_t pf_chunk_size = 0; 636 1.2.2.2 pgoyette 637 1.2.2.2 pgoyette psize_t npages1 = (VALID_END_PFN_1 - VALID_START_PFN_1); 638 1.2.2.2 pgoyette 639 1.2.2.2 pgoyette psize_t npages2 = (VALID_END_PFN_4 - VALID_START_PFN_4); 640 1.2.2.2 pgoyette 641 1.2.2.2 pgoyette struct vm_page *slab = malloc(sizeof(struct vm_page) 642 1.2.2.2 pgoyette * (npages1 + npages2)); 643 1.2.2.2 pgoyette 644 1.2.2.2 pgoyette setup(); 645 1.2.2.2 pgoyette 646 1.2.2.2 pgoyette /* We start with zero segments */ 647 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_1, npages1, NULL)); 648 1.2.2.2 pgoyette ATF_REQUIRE_EQ(1, uvm_physseg_get_entries()); 649 1.2.2.2 pgoyette 650 1.2.2.2 pgoyette /* Post boot: Fake all segments and pages accounted for. */ 651 1.2.2.2 pgoyette uvm_page_init_fake(slab, npages1 + npages2); 652 1.2.2.2 pgoyette 653 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_2, npages2, NULL)); 654 1.2.2.2 pgoyette ATF_REQUIRE_EQ(2, uvm_physseg_get_entries()); 655 1.2.2.2 pgoyette 656 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 657 1.2.2.2 pgoyette for(pf = VALID_START_PFN_4; pf < VALID_END_PFN_4; pf += PF_STEP) { 658 1.2.2.2 pgoyette pf_chunk_size = (psize_t) random() % (psize_t) (PF_STEP - 1) + 1; 659 1.2.2.2 pgoyette uvm_physseg_unplug(pf, pf_chunk_size); 660 1.2.2.2 pgoyette } 661 1.2.2.2 pgoyette 662 1.2.2.2 pgoyette for(int i = 0; i < 10000000; i++) { 663 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_4); 664 1.2.2.2 pgoyette if(pa < ctob(VALID_START_PFN_4)) 665 1.2.2.2 pgoyette pa += ctob(VALID_START_PFN_4); 666 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 667 1.2.2.2 pgoyette } 668 1.2.2.2 pgoyette 669 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 670 1.2.2.2 pgoyette } 671 1.2.2.2 pgoyette 672 1.2.2.2 pgoyette ATF_TC(uvm_physseg_256MB); 673 1.2.2.2 pgoyette ATF_TC_HEAD(uvm_physseg_256MB, tc) 674 1.2.2.2 pgoyette { 675 1.2.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Load test uvm_phys_to_vm_page() with \ 676 1.2.2.2 pgoyette 10,000,000 calls, VM_PHYSSEG_MAX is 32 on 256 MB Segment."); 677 1.2.2.2 pgoyette } 678 1.2.2.2 pgoyette ATF_TC_BODY(uvm_physseg_256MB, t) 679 1.2.2.2 pgoyette { 680 1.2.2.2 pgoyette paddr_t pa = 0; 681 1.2.2.2 pgoyette 682 1.2.2.2 pgoyette paddr_t pf = 0; 683 1.2.2.2 pgoyette 684 1.2.2.2 pgoyette psize_t pf_chunk_size = 0; 685 1.2.2.2 pgoyette 686 1.2.2.2 pgoyette psize_t npages1 = (VALID_END_PFN_1 - VALID_START_PFN_1); 687 1.2.2.2 pgoyette 688 1.2.2.2 pgoyette psize_t npages2 = (VALID_END_PFN_5 - VALID_START_PFN_5); 689 1.2.2.2 pgoyette 690 1.2.2.2 pgoyette struct vm_page *slab = malloc(sizeof(struct vm_page) * (npages1 + npages2)); 691 1.2.2.2 pgoyette 692 1.2.2.2 pgoyette setup(); 693 1.2.2.2 pgoyette 694 1.2.2.2 pgoyette /* We start with zero segments */ 695 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_1, npages1, NULL)); 696 1.2.2.2 pgoyette ATF_REQUIRE_EQ(1, uvm_physseg_get_entries()); 697 1.2.2.2 pgoyette 698 1.2.2.2 pgoyette /* Post boot: Fake all segments and pages accounted for. */ 699 1.2.2.2 pgoyette uvm_page_init_fake(slab, npages1 + npages2); 700 1.2.2.2 pgoyette 701 1.2.2.2 pgoyette ATF_REQUIRE_EQ(true, uvm_physseg_plug(VALID_START_PFN_2, npages2, NULL)); 702 1.2.2.2 pgoyette ATF_REQUIRE_EQ(2, uvm_physseg_get_entries()); 703 1.2.2.2 pgoyette 704 1.2.2.2 pgoyette srandom((unsigned)time(NULL)); 705 1.2.2.2 pgoyette for(pf = VALID_START_PFN_5; pf < VALID_END_PFN_5; pf += PF_STEP) { 706 1.2.2.2 pgoyette pf_chunk_size = (psize_t) random() % (psize_t) (PF_STEP - 1) + 1; 707 1.2.2.2 pgoyette uvm_physseg_unplug(pf, pf_chunk_size); 708 1.2.2.2 pgoyette } 709 1.2.2.2 pgoyette 710 1.2.2.2 pgoyette for(int i = 0; i < 10000000; i++) { 711 1.2.2.2 pgoyette pa = (paddr_t) random() % (paddr_t) ctob(VALID_END_PFN_5); 712 1.2.2.2 pgoyette if(pa < ctob(VALID_END_PFN_5)) 713 1.2.2.2 pgoyette pa += ctob(VALID_START_PFN_5); 714 1.2.2.2 pgoyette PHYS_TO_VM_PAGE(pa); 715 1.2.2.2 pgoyette } 716 1.2.2.2 pgoyette 717 1.2.2.2 pgoyette ATF_CHECK_EQ(true, true); 718 1.2.2.2 pgoyette } 719 1.2.2.2 pgoyette 720 1.2.2.2 pgoyette ATF_TP_ADD_TCS(tp) 721 1.2.2.2 pgoyette { 722 1.2.2.2 pgoyette /* Fixed memory size tests. */ 723 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_100); 724 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_1K); 725 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_10K); 726 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_100K); 727 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_1M); 728 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_10M); 729 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_100M); 730 1.2.2.2 pgoyette 731 1.2.2.2 pgoyette #if defined(UVM_HOTPLUG) 732 1.2.2.2 pgoyette /* Variable memory size tests. */ 733 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_1MB); 734 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_64MB); 735 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_128MB); 736 1.2.2.2 pgoyette ATF_TP_ADD_TC(tp, uvm_physseg_256MB); 737 1.2.2.2 pgoyette #endif /* UVM_HOTPLUG */ 738 1.2.2.2 pgoyette 739 1.2.2.2 pgoyette return atf_no_error(); 740 1.2.2.2 pgoyette } 741
Indexes created Wed Oct 01 07:09:59 GMT 2025