Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 1 | /* |
| 2 | * IPMI BT test cases, using the external interface for checking |
| 3 | * |
| 4 | * Copyright (c) 2012 Corey Minyard <cminyard@mvista.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | |
Peter Maydell | 681c28a | 2016-02-08 18:08:51 +0000 | [diff] [blame] | 25 | #include "qemu/osdep.h" |
Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 26 | |
| 27 | #include <sys/socket.h> |
| 28 | #include <netinet/in.h> |
| 29 | #include <netinet/ip.h> |
| 30 | #include <netinet/tcp.h> |
| 31 | |
Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 32 | |
| 33 | #include "libqtest.h" |
| 34 | #include "qemu-common.h" |
| 35 | |
| 36 | #define IPMI_IRQ 5 |
| 37 | |
| 38 | #define IPMI_BT_BASE 0xe4 |
| 39 | |
| 40 | #define IPMI_BT_CTLREG_CLR_WR_PTR 0 |
| 41 | #define IPMI_BT_CTLREG_CLR_RD_PTR 1 |
| 42 | #define IPMI_BT_CTLREG_H2B_ATN 2 |
| 43 | #define IPMI_BT_CTLREG_B2H_ATN 3 |
| 44 | #define IPMI_BT_CTLREG_SMS_ATN 4 |
| 45 | #define IPMI_BT_CTLREG_H_BUSY 6 |
| 46 | #define IPMI_BT_CTLREG_B_BUSY 7 |
| 47 | |
| 48 | #define IPMI_BT_CTLREG_GET(b) ((bt_get_ctrlreg() >> (b)) & 1) |
| 49 | #define IPMI_BT_CTLREG_GET_H2B_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H2B_ATN) |
| 50 | #define IPMI_BT_CTLREG_GET_B2H_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B2H_ATN) |
| 51 | #define IPMI_BT_CTLREG_GET_SMS_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_SMS_ATN) |
| 52 | #define IPMI_BT_CTLREG_GET_H_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H_BUSY) |
| 53 | #define IPMI_BT_CTLREG_GET_B_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B_BUSY) |
| 54 | |
| 55 | #define IPMI_BT_CTLREG_SET(b) bt_write_ctrlreg(1 << (b)) |
| 56 | #define IPMI_BT_CTLREG_SET_CLR_WR_PTR() IPMI_BT_CTLREG_SET( \ |
| 57 | IPMI_BT_CTLREG_CLR_WR_PTR) |
| 58 | #define IPMI_BT_CTLREG_SET_CLR_RD_PTR() IPMI_BT_CTLREG_SET( \ |
| 59 | IPMI_BT_CTLREG_CLR_RD_PTR) |
| 60 | #define IPMI_BT_CTLREG_SET_H2B_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H2B_ATN) |
| 61 | #define IPMI_BT_CTLREG_SET_B2H_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_B2H_ATN) |
| 62 | #define IPMI_BT_CTLREG_SET_SMS_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_SMS_ATN) |
| 63 | #define IPMI_BT_CTLREG_SET_H_BUSY() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H_BUSY) |
| 64 | |
| 65 | static int bt_ints_enabled; |
| 66 | |
| 67 | static uint8_t bt_get_ctrlreg(void) |
| 68 | { |
| 69 | return inb(IPMI_BT_BASE); |
| 70 | } |
| 71 | |
| 72 | static void bt_write_ctrlreg(uint8_t val) |
| 73 | { |
| 74 | outb(IPMI_BT_BASE, val); |
| 75 | } |
| 76 | |
| 77 | static uint8_t bt_get_buf(void) |
| 78 | { |
| 79 | return inb(IPMI_BT_BASE + 1); |
| 80 | } |
| 81 | |
| 82 | static void bt_write_buf(uint8_t val) |
| 83 | { |
| 84 | outb(IPMI_BT_BASE + 1, val); |
| 85 | } |
| 86 | |
| 87 | static uint8_t bt_get_irqreg(void) |
| 88 | { |
| 89 | return inb(IPMI_BT_BASE + 2); |
| 90 | } |
| 91 | |
| 92 | static void bt_write_irqreg(uint8_t val) |
| 93 | { |
| 94 | outb(IPMI_BT_BASE + 2, val); |
| 95 | } |
| 96 | |
| 97 | static void bt_wait_b_busy(void) |
| 98 | { |
| 99 | unsigned int count = 1000; |
| 100 | while (IPMI_BT_CTLREG_GET_B_BUSY() != 0) { |
| 101 | g_assert(--count != 0); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | static void bt_wait_b2h_atn(void) |
| 106 | { |
| 107 | unsigned int count = 1000; |
| 108 | while (IPMI_BT_CTLREG_GET_B2H_ATN() == 0) { |
| 109 | g_assert(--count != 0); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | |
| 114 | static int emu_lfd; |
| 115 | static int emu_fd; |
| 116 | static in_port_t emu_port; |
| 117 | static uint8_t inbuf[100]; |
| 118 | static unsigned int inbuf_len; |
| 119 | static unsigned int inbuf_pos; |
| 120 | static int last_was_aa; |
| 121 | |
| 122 | static void read_emu_data(void) |
| 123 | { |
| 124 | fd_set readfds; |
| 125 | int rv; |
| 126 | struct timeval tv; |
| 127 | |
| 128 | FD_ZERO(&readfds); |
| 129 | FD_SET(emu_fd, &readfds); |
| 130 | tv.tv_sec = 10; |
| 131 | tv.tv_usec = 0; |
| 132 | rv = select(emu_fd + 1, &readfds, NULL, NULL, &tv); |
| 133 | if (rv == -1) { |
| 134 | perror("select"); |
| 135 | } |
| 136 | g_assert(rv == 1); |
| 137 | rv = read(emu_fd, inbuf, sizeof(inbuf)); |
| 138 | if (rv == -1) { |
| 139 | perror("read"); |
| 140 | } |
| 141 | g_assert(rv > 0); |
| 142 | inbuf_len = rv; |
| 143 | inbuf_pos = 0; |
| 144 | } |
| 145 | |
| 146 | static void write_emu_msg(uint8_t *msg, unsigned int len) |
| 147 | { |
| 148 | int rv; |
| 149 | |
| 150 | #ifdef DEBUG_TEST |
| 151 | { |
| 152 | unsigned int i; |
| 153 | printf("sending:"); |
| 154 | for (i = 0; i < len; i++) { |
| 155 | printf(" %2.2x", msg[i]); |
| 156 | } |
| 157 | printf("\n"); |
| 158 | } |
| 159 | #endif |
| 160 | rv = write(emu_fd, msg, len); |
| 161 | g_assert(rv == len); |
| 162 | } |
| 163 | |
| 164 | static void get_emu_msg(uint8_t *msg, unsigned int *len) |
| 165 | { |
| 166 | unsigned int outpos = 0; |
| 167 | |
| 168 | for (;;) { |
| 169 | while (inbuf_pos < inbuf_len) { |
| 170 | uint8_t ch = inbuf[inbuf_pos++]; |
| 171 | |
| 172 | g_assert(outpos < *len); |
| 173 | if (last_was_aa) { |
| 174 | assert(ch & 0x10); |
| 175 | msg[outpos++] = ch & ~0x10; |
| 176 | last_was_aa = 0; |
| 177 | } else if (ch == 0xaa) { |
| 178 | last_was_aa = 1; |
| 179 | } else { |
| 180 | msg[outpos++] = ch; |
| 181 | if ((ch == 0xa0) || (ch == 0xa1)) { |
| 182 | /* Message complete */ |
| 183 | *len = outpos; |
| 184 | goto done; |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | read_emu_data(); |
| 189 | } |
| 190 | done: |
| 191 | #ifdef DEBUG_TEST |
| 192 | { |
| 193 | unsigned int i; |
| 194 | printf("Msg:"); |
| 195 | for (i = 0; i < outpos; i++) { |
| 196 | printf(" %2.2x", msg[i]); |
| 197 | } |
| 198 | printf("\n"); |
| 199 | } |
| 200 | #endif |
| 201 | return; |
| 202 | } |
| 203 | |
| 204 | static uint8_t |
| 205 | ipmb_checksum(const unsigned char *data, int size, unsigned char start) |
| 206 | { |
| 207 | unsigned char csum = start; |
| 208 | |
| 209 | for (; size > 0; size--, data++) { |
| 210 | csum += *data; |
| 211 | } |
| 212 | return csum; |
| 213 | } |
| 214 | |
| 215 | static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 }; |
| 216 | static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00, |
| 217 | 0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
| 218 | |
| 219 | static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f }; |
| 220 | static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 }; |
| 221 | static uint8_t enable_irq_cmd[] = { 0x05, 0xa1 }; |
| 222 | |
| 223 | static void emu_msg_handler(void) |
| 224 | { |
| 225 | uint8_t msg[100]; |
| 226 | unsigned int msg_len = sizeof(msg); |
| 227 | |
| 228 | get_emu_msg(msg, &msg_len); |
| 229 | g_assert(msg_len >= 5); |
| 230 | g_assert(msg[msg_len - 1] == 0xa0); |
| 231 | msg_len--; |
| 232 | g_assert(ipmb_checksum(msg, msg_len, 0) == 0); |
| 233 | msg_len--; |
| 234 | if ((msg[1] == get_dev_id_cmd[0]) && (msg[2] == get_dev_id_cmd[1])) { |
| 235 | memcpy(msg + 1, get_dev_id_rsp, sizeof(get_dev_id_rsp)); |
| 236 | msg_len = sizeof(get_dev_id_rsp) + 1; |
| 237 | msg[msg_len] = -ipmb_checksum(msg, msg_len, 0); |
| 238 | msg_len++; |
| 239 | msg[msg_len++] = 0xa0; |
| 240 | write_emu_msg(msg, msg_len); |
| 241 | } else if ((msg[1] == set_bmc_globals_cmd[0]) && |
| 242 | (msg[2] == set_bmc_globals_cmd[1])) { |
| 243 | memcpy(msg + 1, set_bmc_globals_rsp, sizeof(set_bmc_globals_rsp)); |
| 244 | msg_len = sizeof(set_bmc_globals_rsp) + 1; |
| 245 | msg[msg_len] = -ipmb_checksum(msg, msg_len, 0); |
| 246 | msg_len++; |
| 247 | msg[msg_len++] = 0xa0; |
| 248 | write_emu_msg(msg, msg_len); |
| 249 | write_emu_msg(enable_irq_cmd, sizeof(enable_irq_cmd)); |
| 250 | } else { |
| 251 | g_assert(0); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | static void bt_cmd(uint8_t *cmd, unsigned int cmd_len, |
| 256 | uint8_t *rsp, unsigned int *rsp_len) |
| 257 | { |
| 258 | unsigned int i, len, j = 0; |
| 259 | uint8_t seq = 5; |
| 260 | |
| 261 | /* Should be idle */ |
| 262 | g_assert(bt_get_ctrlreg() == 0); |
| 263 | |
| 264 | bt_wait_b_busy(); |
| 265 | IPMI_BT_CTLREG_SET_CLR_WR_PTR(); |
| 266 | bt_write_buf(cmd_len + 1); |
| 267 | bt_write_buf(cmd[0]); |
| 268 | bt_write_buf(seq); |
| 269 | for (i = 1; i < cmd_len; i++) { |
| 270 | bt_write_buf(cmd[i]); |
| 271 | } |
| 272 | IPMI_BT_CTLREG_SET_H2B_ATN(); |
| 273 | |
| 274 | emu_msg_handler(); /* We should get a message on the socket here. */ |
| 275 | |
| 276 | bt_wait_b2h_atn(); |
| 277 | if (bt_ints_enabled) { |
| 278 | g_assert((bt_get_irqreg() & 0x02) == 0x02); |
| 279 | g_assert(get_irq(IPMI_IRQ)); |
| 280 | bt_write_irqreg(0x03); |
| 281 | } else { |
| 282 | g_assert(!get_irq(IPMI_IRQ)); |
| 283 | } |
| 284 | IPMI_BT_CTLREG_SET_H_BUSY(); |
| 285 | IPMI_BT_CTLREG_SET_B2H_ATN(); |
| 286 | IPMI_BT_CTLREG_SET_CLR_RD_PTR(); |
| 287 | len = bt_get_buf(); |
| 288 | g_assert(len >= 4); |
| 289 | rsp[0] = bt_get_buf(); |
| 290 | assert(bt_get_buf() == seq); |
| 291 | len--; |
| 292 | for (j = 1; j < len; j++) { |
| 293 | rsp[j] = bt_get_buf(); |
| 294 | } |
| 295 | IPMI_BT_CTLREG_SET_H_BUSY(); |
| 296 | *rsp_len = j; |
| 297 | } |
| 298 | |
| 299 | |
| 300 | /* |
| 301 | * We should get a connect request and a short message with capabilities. |
| 302 | */ |
| 303 | static void test_connect(void) |
| 304 | { |
| 305 | fd_set readfds; |
| 306 | int rv; |
| 307 | int val; |
| 308 | struct timeval tv; |
| 309 | uint8_t msg[100]; |
| 310 | unsigned int msglen; |
| 311 | static uint8_t exp1[] = { 0xff, 0x01, 0xa1 }; /* A protocol version */ |
Corey Minyard | f53b9f3 | 2016-10-24 15:10:20 -0500 | [diff] [blame] | 312 | static uint8_t exp2[] = { 0x08, 0x3f, 0xa1 }; /* A capabilities cmd */ |
Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 313 | |
| 314 | FD_ZERO(&readfds); |
| 315 | FD_SET(emu_lfd, &readfds); |
| 316 | tv.tv_sec = 10; |
| 317 | tv.tv_usec = 0; |
| 318 | rv = select(emu_lfd + 1, &readfds, NULL, NULL, &tv); |
| 319 | g_assert(rv == 1); |
| 320 | emu_fd = accept(emu_lfd, NULL, 0); |
| 321 | if (emu_fd < 0) { |
| 322 | perror("accept"); |
| 323 | } |
| 324 | g_assert(emu_fd >= 0); |
| 325 | |
| 326 | val = 1; |
| 327 | rv = setsockopt(emu_fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); |
| 328 | g_assert(rv != -1); |
| 329 | |
| 330 | /* Report our version */ |
| 331 | write_emu_msg(exp1, sizeof(exp1)); |
| 332 | |
| 333 | /* Validate that we get the info we expect. */ |
| 334 | msglen = sizeof(msg); |
| 335 | get_emu_msg(msg, &msglen); |
| 336 | g_assert(msglen == sizeof(exp1)); |
| 337 | g_assert(memcmp(msg, exp1, msglen) == 0); |
| 338 | msglen = sizeof(msg); |
| 339 | get_emu_msg(msg, &msglen); |
| 340 | g_assert(msglen == sizeof(exp2)); |
| 341 | g_assert(memcmp(msg, exp2, msglen) == 0); |
| 342 | } |
| 343 | |
| 344 | /* |
| 345 | * Send a get_device_id to do a basic test. |
| 346 | */ |
| 347 | static void test_bt_base(void) |
| 348 | { |
| 349 | uint8_t rsp[20]; |
| 350 | unsigned int rsplen = sizeof(rsp); |
| 351 | |
| 352 | bt_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen); |
| 353 | g_assert(rsplen == sizeof(get_dev_id_rsp)); |
| 354 | g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0); |
| 355 | } |
| 356 | |
| 357 | /* |
| 358 | * Enable IRQs for the interface. |
| 359 | */ |
| 360 | static void test_enable_irq(void) |
| 361 | { |
| 362 | uint8_t rsp[20]; |
| 363 | unsigned int rsplen = sizeof(rsp); |
| 364 | |
| 365 | bt_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen); |
| 366 | g_assert(rsplen == sizeof(set_bmc_globals_rsp)); |
| 367 | g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0); |
| 368 | bt_write_irqreg(0x01); |
| 369 | bt_ints_enabled = 1; |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | * Create a local TCP socket with any port, then save off the port we got. |
| 374 | */ |
| 375 | static void open_socket(void) |
| 376 | { |
| 377 | struct sockaddr_in myaddr; |
| 378 | socklen_t addrlen; |
| 379 | |
| 380 | myaddr.sin_family = AF_INET; |
| 381 | myaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 382 | myaddr.sin_port = 0; |
| 383 | emu_lfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 384 | if (emu_lfd == -1) { |
| 385 | perror("socket"); |
| 386 | exit(1); |
| 387 | } |
| 388 | if (bind(emu_lfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1) { |
| 389 | perror("bind"); |
| 390 | exit(1); |
| 391 | } |
| 392 | addrlen = sizeof(myaddr); |
| 393 | if (getsockname(emu_lfd, (struct sockaddr *) &myaddr , &addrlen) == -1) { |
| 394 | perror("getsockname"); |
| 395 | exit(1); |
| 396 | } |
| 397 | emu_port = ntohs(myaddr.sin_port); |
| 398 | assert(listen(emu_lfd, 1) != -1); |
| 399 | } |
| 400 | |
| 401 | int main(int argc, char **argv) |
| 402 | { |
Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 403 | int ret; |
| 404 | |
Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 405 | open_socket(); |
| 406 | |
| 407 | /* Run the tests */ |
| 408 | g_test_init(&argc, &argv, NULL); |
| 409 | |
Markus Armbruster | 88b988c | 2018-08-06 08:53:43 +0200 | [diff] [blame] | 410 | global_qtest = qtest_initf( |
Eric Blake | 78b27ba | 2017-10-18 16:20:27 +0200 | [diff] [blame] | 411 | " -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10" |
| 412 | " -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0" |
| 413 | " -device isa-ipmi-bt,bmc=bmc0", emu_port); |
Corey Minyard | 24f976d | 2015-12-17 12:50:09 -0600 | [diff] [blame] | 414 | qtest_irq_intercept_in(global_qtest, "ioapic"); |
| 415 | qtest_add_func("/ipmi/extern/connect", test_connect); |
| 416 | qtest_add_func("/ipmi/extern/bt_base", test_bt_base); |
| 417 | qtest_add_func("/ipmi/extern/bt_enable_irq", test_enable_irq); |
| 418 | qtest_add_func("/ipmi/extern/bt_base_irq", test_bt_base); |
| 419 | ret = g_test_run(); |
| 420 | qtest_quit(global_qtest); |
| 421 | |
| 422 | return ret; |
| 423 | } |