2015-12-17 21:50:09 +03:00
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/*
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* IPMI BT test cases, using the external interface for checking
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*
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* Copyright (c) 2012 Corey Minyard <cminyard@mvista.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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2016-02-08 21:08:51 +03:00
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#include "qemu/osdep.h"
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2015-12-17 21:50:09 +03:00
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <netinet/tcp.h>
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#include "libqtest.h"
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#include "qemu-common.h"
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#define IPMI_IRQ 5
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#define IPMI_BT_BASE 0xe4
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#define IPMI_BT_CTLREG_CLR_WR_PTR 0
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#define IPMI_BT_CTLREG_CLR_RD_PTR 1
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#define IPMI_BT_CTLREG_H2B_ATN 2
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#define IPMI_BT_CTLREG_B2H_ATN 3
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#define IPMI_BT_CTLREG_SMS_ATN 4
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#define IPMI_BT_CTLREG_H_BUSY 6
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#define IPMI_BT_CTLREG_B_BUSY 7
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#define IPMI_BT_CTLREG_GET(b) ((bt_get_ctrlreg() >> (b)) & 1)
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#define IPMI_BT_CTLREG_GET_H2B_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H2B_ATN)
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#define IPMI_BT_CTLREG_GET_B2H_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B2H_ATN)
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#define IPMI_BT_CTLREG_GET_SMS_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_SMS_ATN)
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#define IPMI_BT_CTLREG_GET_H_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H_BUSY)
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#define IPMI_BT_CTLREG_GET_B_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B_BUSY)
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#define IPMI_BT_CTLREG_SET(b) bt_write_ctrlreg(1 << (b))
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#define IPMI_BT_CTLREG_SET_CLR_WR_PTR() IPMI_BT_CTLREG_SET( \
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IPMI_BT_CTLREG_CLR_WR_PTR)
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#define IPMI_BT_CTLREG_SET_CLR_RD_PTR() IPMI_BT_CTLREG_SET( \
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IPMI_BT_CTLREG_CLR_RD_PTR)
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#define IPMI_BT_CTLREG_SET_H2B_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H2B_ATN)
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#define IPMI_BT_CTLREG_SET_B2H_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_B2H_ATN)
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#define IPMI_BT_CTLREG_SET_SMS_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_SMS_ATN)
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#define IPMI_BT_CTLREG_SET_H_BUSY() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H_BUSY)
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static int bt_ints_enabled;
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static uint8_t bt_get_ctrlreg(void)
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{
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return inb(IPMI_BT_BASE);
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}
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static void bt_write_ctrlreg(uint8_t val)
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{
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outb(IPMI_BT_BASE, val);
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}
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static uint8_t bt_get_buf(void)
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{
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return inb(IPMI_BT_BASE + 1);
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}
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static void bt_write_buf(uint8_t val)
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{
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outb(IPMI_BT_BASE + 1, val);
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}
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static uint8_t bt_get_irqreg(void)
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{
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return inb(IPMI_BT_BASE + 2);
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}
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static void bt_write_irqreg(uint8_t val)
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{
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outb(IPMI_BT_BASE + 2, val);
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}
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static void bt_wait_b_busy(void)
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{
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unsigned int count = 1000;
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while (IPMI_BT_CTLREG_GET_B_BUSY() != 0) {
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g_assert(--count != 0);
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}
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}
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static void bt_wait_b2h_atn(void)
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{
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unsigned int count = 1000;
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while (IPMI_BT_CTLREG_GET_B2H_ATN() == 0) {
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g_assert(--count != 0);
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}
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}
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static int emu_lfd;
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static int emu_fd;
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static in_port_t emu_port;
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static uint8_t inbuf[100];
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static unsigned int inbuf_len;
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static unsigned int inbuf_pos;
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static int last_was_aa;
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static void read_emu_data(void)
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{
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fd_set readfds;
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int rv;
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struct timeval tv;
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FD_ZERO(&readfds);
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FD_SET(emu_fd, &readfds);
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tv.tv_sec = 10;
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tv.tv_usec = 0;
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rv = select(emu_fd + 1, &readfds, NULL, NULL, &tv);
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if (rv == -1) {
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perror("select");
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}
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g_assert(rv == 1);
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rv = read(emu_fd, inbuf, sizeof(inbuf));
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if (rv == -1) {
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perror("read");
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}
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g_assert(rv > 0);
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inbuf_len = rv;
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inbuf_pos = 0;
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}
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static void write_emu_msg(uint8_t *msg, unsigned int len)
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{
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int rv;
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#ifdef DEBUG_TEST
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{
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unsigned int i;
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printf("sending:");
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for (i = 0; i < len; i++) {
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printf(" %2.2x", msg[i]);
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}
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printf("\n");
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}
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#endif
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rv = write(emu_fd, msg, len);
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g_assert(rv == len);
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}
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static void get_emu_msg(uint8_t *msg, unsigned int *len)
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{
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unsigned int outpos = 0;
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for (;;) {
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while (inbuf_pos < inbuf_len) {
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uint8_t ch = inbuf[inbuf_pos++];
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g_assert(outpos < *len);
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if (last_was_aa) {
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assert(ch & 0x10);
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msg[outpos++] = ch & ~0x10;
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last_was_aa = 0;
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} else if (ch == 0xaa) {
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last_was_aa = 1;
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} else {
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msg[outpos++] = ch;
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if ((ch == 0xa0) || (ch == 0xa1)) {
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/* Message complete */
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*len = outpos;
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goto done;
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}
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}
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}
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read_emu_data();
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}
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done:
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#ifdef DEBUG_TEST
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{
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unsigned int i;
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printf("Msg:");
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for (i = 0; i < outpos; i++) {
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printf(" %2.2x", msg[i]);
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}
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printf("\n");
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}
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#endif
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return;
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}
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static uint8_t
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ipmb_checksum(const unsigned char *data, int size, unsigned char start)
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{
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unsigned char csum = start;
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for (; size > 0; size--, data++) {
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csum += *data;
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}
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return csum;
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}
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static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 };
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static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00,
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0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 };
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static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f };
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static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 };
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static uint8_t enable_irq_cmd[] = { 0x05, 0xa1 };
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static void emu_msg_handler(void)
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{
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uint8_t msg[100];
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unsigned int msg_len = sizeof(msg);
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get_emu_msg(msg, &msg_len);
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g_assert(msg_len >= 5);
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g_assert(msg[msg_len - 1] == 0xa0);
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msg_len--;
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g_assert(ipmb_checksum(msg, msg_len, 0) == 0);
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msg_len--;
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if ((msg[1] == get_dev_id_cmd[0]) && (msg[2] == get_dev_id_cmd[1])) {
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memcpy(msg + 1, get_dev_id_rsp, sizeof(get_dev_id_rsp));
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msg_len = sizeof(get_dev_id_rsp) + 1;
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msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
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msg_len++;
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msg[msg_len++] = 0xa0;
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write_emu_msg(msg, msg_len);
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} else if ((msg[1] == set_bmc_globals_cmd[0]) &&
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(msg[2] == set_bmc_globals_cmd[1])) {
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memcpy(msg + 1, set_bmc_globals_rsp, sizeof(set_bmc_globals_rsp));
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msg_len = sizeof(set_bmc_globals_rsp) + 1;
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msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
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msg_len++;
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msg[msg_len++] = 0xa0;
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write_emu_msg(msg, msg_len);
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write_emu_msg(enable_irq_cmd, sizeof(enable_irq_cmd));
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} else {
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g_assert(0);
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}
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}
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static void bt_cmd(uint8_t *cmd, unsigned int cmd_len,
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uint8_t *rsp, unsigned int *rsp_len)
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{
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unsigned int i, len, j = 0;
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uint8_t seq = 5;
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/* Should be idle */
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g_assert(bt_get_ctrlreg() == 0);
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bt_wait_b_busy();
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IPMI_BT_CTLREG_SET_CLR_WR_PTR();
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bt_write_buf(cmd_len + 1);
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bt_write_buf(cmd[0]);
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bt_write_buf(seq);
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for (i = 1; i < cmd_len; i++) {
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bt_write_buf(cmd[i]);
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}
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IPMI_BT_CTLREG_SET_H2B_ATN();
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emu_msg_handler(); /* We should get a message on the socket here. */
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bt_wait_b2h_atn();
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if (bt_ints_enabled) {
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g_assert((bt_get_irqreg() & 0x02) == 0x02);
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g_assert(get_irq(IPMI_IRQ));
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bt_write_irqreg(0x03);
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} else {
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g_assert(!get_irq(IPMI_IRQ));
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}
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IPMI_BT_CTLREG_SET_H_BUSY();
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IPMI_BT_CTLREG_SET_B2H_ATN();
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IPMI_BT_CTLREG_SET_CLR_RD_PTR();
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len = bt_get_buf();
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g_assert(len >= 4);
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rsp[0] = bt_get_buf();
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assert(bt_get_buf() == seq);
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len--;
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for (j = 1; j < len; j++) {
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rsp[j] = bt_get_buf();
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}
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IPMI_BT_CTLREG_SET_H_BUSY();
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*rsp_len = j;
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}
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/*
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* We should get a connect request and a short message with capabilities.
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*/
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static void test_connect(void)
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{
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fd_set readfds;
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int rv;
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int val;
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struct timeval tv;
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uint8_t msg[100];
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unsigned int msglen;
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static uint8_t exp1[] = { 0xff, 0x01, 0xa1 }; /* A protocol version */
|
2016-10-24 23:10:20 +03:00
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static uint8_t exp2[] = { 0x08, 0x3f, 0xa1 }; /* A capabilities cmd */
|
2015-12-17 21:50:09 +03:00
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FD_ZERO(&readfds);
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FD_SET(emu_lfd, &readfds);
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tv.tv_sec = 10;
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tv.tv_usec = 0;
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rv = select(emu_lfd + 1, &readfds, NULL, NULL, &tv);
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g_assert(rv == 1);
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emu_fd = accept(emu_lfd, NULL, 0);
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if (emu_fd < 0) {
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perror("accept");
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}
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g_assert(emu_fd >= 0);
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val = 1;
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rv = setsockopt(emu_fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
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g_assert(rv != -1);
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/* Report our version */
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write_emu_msg(exp1, sizeof(exp1));
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/* Validate that we get the info we expect. */
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msglen = sizeof(msg);
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get_emu_msg(msg, &msglen);
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g_assert(msglen == sizeof(exp1));
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g_assert(memcmp(msg, exp1, msglen) == 0);
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msglen = sizeof(msg);
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get_emu_msg(msg, &msglen);
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g_assert(msglen == sizeof(exp2));
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g_assert(memcmp(msg, exp2, msglen) == 0);
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}
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/*
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|
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* Send a get_device_id to do a basic test.
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*/
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static void test_bt_base(void)
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|
|
{
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uint8_t rsp[20];
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|
|
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);
|
|
|
|
|
2016-10-24 19:19:41 +03:00
|
|
|
cmdline = g_strdup_printf(
|
2015-12-17 21:50:09 +03:00
|
|
|
" -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;
|
|
|
|
}
|