--- /dev/null
+/*
+ * IPMI BT test cases, using the external interface for checking
+ *
+ * Copyright (c) 2012 Corey Minyard <cminyard@mvista.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
+
+#include <glib.h>
+
+#include "libqtest.h"
+#include "qemu-common.h"
+
+#define IPMI_IRQ 5
+
+#define IPMI_BT_BASE 0xe4
+
+#define IPMI_BT_CTLREG_CLR_WR_PTR 0
+#define IPMI_BT_CTLREG_CLR_RD_PTR 1
+#define IPMI_BT_CTLREG_H2B_ATN 2
+#define IPMI_BT_CTLREG_B2H_ATN 3
+#define IPMI_BT_CTLREG_SMS_ATN 4
+#define IPMI_BT_CTLREG_H_BUSY 6
+#define IPMI_BT_CTLREG_B_BUSY 7
+
+#define IPMI_BT_CTLREG_GET(b) ((bt_get_ctrlreg() >> (b)) & 1)
+#define IPMI_BT_CTLREG_GET_H2B_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H2B_ATN)
+#define IPMI_BT_CTLREG_GET_B2H_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B2H_ATN)
+#define IPMI_BT_CTLREG_GET_SMS_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_SMS_ATN)
+#define IPMI_BT_CTLREG_GET_H_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H_BUSY)
+#define IPMI_BT_CTLREG_GET_B_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B_BUSY)
+
+#define IPMI_BT_CTLREG_SET(b) bt_write_ctrlreg(1 << (b))
+#define IPMI_BT_CTLREG_SET_CLR_WR_PTR() IPMI_BT_CTLREG_SET( \
+ IPMI_BT_CTLREG_CLR_WR_PTR)
+#define IPMI_BT_CTLREG_SET_CLR_RD_PTR() IPMI_BT_CTLREG_SET( \
+ IPMI_BT_CTLREG_CLR_RD_PTR)
+#define IPMI_BT_CTLREG_SET_H2B_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H2B_ATN)
+#define IPMI_BT_CTLREG_SET_B2H_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_B2H_ATN)
+#define IPMI_BT_CTLREG_SET_SMS_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_SMS_ATN)
+#define IPMI_BT_CTLREG_SET_H_BUSY() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H_BUSY)
+
+static int bt_ints_enabled;
+
+static uint8_t bt_get_ctrlreg(void)
+{
+ return inb(IPMI_BT_BASE);
+}
+
+static void bt_write_ctrlreg(uint8_t val)
+{
+ outb(IPMI_BT_BASE, val);
+}
+
+static uint8_t bt_get_buf(void)
+{
+ return inb(IPMI_BT_BASE + 1);
+}
+
+static void bt_write_buf(uint8_t val)
+{
+ outb(IPMI_BT_BASE + 1, val);
+}
+
+static uint8_t bt_get_irqreg(void)
+{
+ return inb(IPMI_BT_BASE + 2);
+}
+
+static void bt_write_irqreg(uint8_t val)
+{
+ outb(IPMI_BT_BASE + 2, val);
+}
+
+static void bt_wait_b_busy(void)
+{
+ unsigned int count = 1000;
+ while (IPMI_BT_CTLREG_GET_B_BUSY() != 0) {
+ g_assert(--count != 0);
+ }
+}
+
+static void bt_wait_b2h_atn(void)
+{
+ unsigned int count = 1000;
+ while (IPMI_BT_CTLREG_GET_B2H_ATN() == 0) {
+ g_assert(--count != 0);
+ }
+}
+
+
+static int emu_lfd;
+static int emu_fd;
+static in_port_t emu_port;
+static uint8_t inbuf[100];
+static unsigned int inbuf_len;
+static unsigned int inbuf_pos;
+static int last_was_aa;
+
+static void read_emu_data(void)
+{
+ fd_set readfds;
+ int rv;
+ struct timeval tv;
+
+ FD_ZERO(&readfds);
+ FD_SET(emu_fd, &readfds);
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
+ rv = select(emu_fd + 1, &readfds, NULL, NULL, &tv);
+ if (rv == -1) {
+ perror("select");
+ }
+ g_assert(rv == 1);
+ rv = read(emu_fd, inbuf, sizeof(inbuf));
+ if (rv == -1) {
+ perror("read");
+ }
+ g_assert(rv > 0);
+ inbuf_len = rv;
+ inbuf_pos = 0;
+}
+
+static void write_emu_msg(uint8_t *msg, unsigned int len)
+{
+ int rv;
+
+#ifdef DEBUG_TEST
+ {
+ unsigned int i;
+ printf("sending:");
+ for (i = 0; i < len; i++) {
+ printf(" %2.2x", msg[i]);
+ }
+ printf("\n");
+ }
+#endif
+ rv = write(emu_fd, msg, len);
+ g_assert(rv == len);
+}
+
+static void get_emu_msg(uint8_t *msg, unsigned int *len)
+{
+ unsigned int outpos = 0;
+
+ for (;;) {
+ while (inbuf_pos < inbuf_len) {
+ uint8_t ch = inbuf[inbuf_pos++];
+
+ g_assert(outpos < *len);
+ if (last_was_aa) {
+ assert(ch & 0x10);
+ msg[outpos++] = ch & ~0x10;
+ last_was_aa = 0;
+ } else if (ch == 0xaa) {
+ last_was_aa = 1;
+ } else {
+ msg[outpos++] = ch;
+ if ((ch == 0xa0) || (ch == 0xa1)) {
+ /* Message complete */
+ *len = outpos;
+ goto done;
+ }
+ }
+ }
+ read_emu_data();
+ }
+ done:
+#ifdef DEBUG_TEST
+ {
+ unsigned int i;
+ printf("Msg:");
+ for (i = 0; i < outpos; i++) {
+ printf(" %2.2x", msg[i]);
+ }
+ printf("\n");
+ }
+#endif
+ return;
+}
+
+static uint8_t
+ipmb_checksum(const unsigned char *data, int size, unsigned char start)
+{
+ unsigned char csum = start;
+
+ for (; size > 0; size--, data++) {
+ csum += *data;
+ }
+ return csum;
+}
+
+static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 };
+static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00,
+ 0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f };
+static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 };
+static uint8_t enable_irq_cmd[] = { 0x05, 0xa1 };
+
+static void emu_msg_handler(void)
+{
+ uint8_t msg[100];
+ unsigned int msg_len = sizeof(msg);
+
+ get_emu_msg(msg, &msg_len);
+ g_assert(msg_len >= 5);
+ g_assert(msg[msg_len - 1] == 0xa0);
+ msg_len--;
+ g_assert(ipmb_checksum(msg, msg_len, 0) == 0);
+ msg_len--;
+ if ((msg[1] == get_dev_id_cmd[0]) && (msg[2] == get_dev_id_cmd[1])) {
+ memcpy(msg + 1, get_dev_id_rsp, sizeof(get_dev_id_rsp));
+ msg_len = sizeof(get_dev_id_rsp) + 1;
+ msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
+ msg_len++;
+ msg[msg_len++] = 0xa0;
+ write_emu_msg(msg, msg_len);
+ } else if ((msg[1] == set_bmc_globals_cmd[0]) &&
+ (msg[2] == set_bmc_globals_cmd[1])) {
+ memcpy(msg + 1, set_bmc_globals_rsp, sizeof(set_bmc_globals_rsp));
+ msg_len = sizeof(set_bmc_globals_rsp) + 1;
+ msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
+ msg_len++;
+ msg[msg_len++] = 0xa0;
+ write_emu_msg(msg, msg_len);
+ write_emu_msg(enable_irq_cmd, sizeof(enable_irq_cmd));
+ } else {
+ g_assert(0);
+ }
+}
+
+static void bt_cmd(uint8_t *cmd, unsigned int cmd_len,
+ uint8_t *rsp, unsigned int *rsp_len)
+{
+ unsigned int i, len, j = 0;
+ uint8_t seq = 5;
+
+ /* Should be idle */
+ g_assert(bt_get_ctrlreg() == 0);
+
+ bt_wait_b_busy();
+ IPMI_BT_CTLREG_SET_CLR_WR_PTR();
+ bt_write_buf(cmd_len + 1);
+ bt_write_buf(cmd[0]);
+ bt_write_buf(seq);
+ for (i = 1; i < cmd_len; i++) {
+ bt_write_buf(cmd[i]);
+ }
+ IPMI_BT_CTLREG_SET_H2B_ATN();
+
+ emu_msg_handler(); /* We should get a message on the socket here. */
+
+ bt_wait_b2h_atn();
+ if (bt_ints_enabled) {
+ g_assert((bt_get_irqreg() & 0x02) == 0x02);
+ g_assert(get_irq(IPMI_IRQ));
+ bt_write_irqreg(0x03);
+ } else {
+ g_assert(!get_irq(IPMI_IRQ));
+ }
+ IPMI_BT_CTLREG_SET_H_BUSY();
+ IPMI_BT_CTLREG_SET_B2H_ATN();
+ IPMI_BT_CTLREG_SET_CLR_RD_PTR();
+ len = bt_get_buf();
+ g_assert(len >= 4);
+ rsp[0] = bt_get_buf();
+ assert(bt_get_buf() == seq);
+ len--;
+ for (j = 1; j < len; j++) {
+ rsp[j] = bt_get_buf();
+ }
+ IPMI_BT_CTLREG_SET_H_BUSY();
+ *rsp_len = j;
+}
+
+
+/*
+ * We should get a connect request and a short message with capabilities.
+ */
+static void test_connect(void)
+{
+ fd_set readfds;
+ int rv;
+ int val;
+ struct timeval tv;
+ uint8_t msg[100];
+ unsigned int msglen;
+ static uint8_t exp1[] = { 0xff, 0x01, 0xa1 }; /* A protocol version */
+ static uint8_t exp2[] = { 0x08, 0x1f, 0xa1 }; /* A capabilities cmd */
+
+ FD_ZERO(&readfds);
+ FD_SET(emu_lfd, &readfds);
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
+ rv = select(emu_lfd + 1, &readfds, NULL, NULL, &tv);
+ g_assert(rv == 1);
+ emu_fd = accept(emu_lfd, NULL, 0);
+ if (emu_fd < 0) {
+ perror("accept");
+ }
+ g_assert(emu_fd >= 0);
+
+ val = 1;
+ rv = setsockopt(emu_fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
+ g_assert(rv != -1);
+
+ /* Report our version */
+ write_emu_msg(exp1, sizeof(exp1));
+
+ /* Validate that we get the info we expect. */
+ msglen = sizeof(msg);
+ get_emu_msg(msg, &msglen);
+ g_assert(msglen == sizeof(exp1));
+ g_assert(memcmp(msg, exp1, msglen) == 0);
+ msglen = sizeof(msg);
+ get_emu_msg(msg, &msglen);
+ g_assert(msglen == sizeof(exp2));
+ g_assert(memcmp(msg, exp2, msglen) == 0);
+}
+
+/*
+ * Send a get_device_id to do a basic test.
+ */
+static void test_bt_base(void)
+{
+ uint8_t rsp[20];
+ unsigned int rsplen = sizeof(rsp);
+
+ bt_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen);
+ g_assert(rsplen == sizeof(get_dev_id_rsp));
+ g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0);
+}
+
+/*
+ * Enable IRQs for the interface.
+ */
+static void test_enable_irq(void)
+{
+ uint8_t rsp[20];
+ unsigned int rsplen = sizeof(rsp);
+
+ bt_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen);
+ g_assert(rsplen == sizeof(set_bmc_globals_rsp));
+ g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0);
+ bt_write_irqreg(0x01);
+ bt_ints_enabled = 1;
+}
+
+/*
+ * Create a local TCP socket with any port, then save off the port we got.
+ */
+static void open_socket(void)
+{
+ struct sockaddr_in myaddr;
+ socklen_t addrlen;
+
+ myaddr.sin_family = AF_INET;
+ myaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ myaddr.sin_port = 0;
+ emu_lfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (emu_lfd == -1) {
+ perror("socket");
+ exit(1);
+ }
+ if (bind(emu_lfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1) {
+ perror("bind");
+ exit(1);
+ }
+ addrlen = sizeof(myaddr);
+ if (getsockname(emu_lfd, (struct sockaddr *) &myaddr , &addrlen) == -1) {
+ perror("getsockname");
+ exit(1);
+ }
+ emu_port = ntohs(myaddr.sin_port);
+ assert(listen(emu_lfd, 1) != -1);
+}
+
+int main(int argc, char **argv)
+{
+ const char *arch = qtest_get_arch();
+ char *cmdline;
+ int ret;
+
+ /* Check architecture */
+ if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
+ g_test_message("Skipping test for non-x86\n");
+ return 0;
+ }
+
+ open_socket();
+
+ /* Run the tests */
+ g_test_init(&argc, &argv, NULL);
+
+ cmdline = g_strdup_printf("-vnc none"
+ " -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10"
+ " -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0"
+ " -device isa-ipmi-bt,bmc=bmc0", emu_port);
+ qtest_start(cmdline);
+ qtest_irq_intercept_in(global_qtest, "ioapic");
+ qtest_add_func("/ipmi/extern/connect", test_connect);
+ qtest_add_func("/ipmi/extern/bt_base", test_bt_base);
+ qtest_add_func("/ipmi/extern/bt_enable_irq", test_enable_irq);
+ qtest_add_func("/ipmi/extern/bt_base_irq", test_bt_base);
+ ret = g_test_run();
+ qtest_quit(global_qtest);
+
+ return ret;
+}
Code Review / kvmfornfv.git / blobdiff