[mirror_qemu.git] / tests / ipmi-bt-test.c

/*
 * 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;
}
Commit	Line	Data
24f976d3 CM	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
681c28a3	25	#include "qemu/osdep.h"
24f976d3 CM	26
	27	#include <sys/socket.h>
	28	#include <netinet/in.h>
	29	#include <netinet/ip.h>
	30	#include <netinet/tcp.h>
	31
	32	#include <glib.h>
	33
	34	#include "libqtest.h"
	35	#include "qemu-common.h"
	36
	37	#define IPMI_IRQ 5
	38
	39	#define IPMI_BT_BASE 0xe4
	40
	41	#define IPMI_BT_CTLREG_CLR_WR_PTR 0
	42	#define IPMI_BT_CTLREG_CLR_RD_PTR 1
	43	#define IPMI_BT_CTLREG_H2B_ATN 2
	44	#define IPMI_BT_CTLREG_B2H_ATN 3
	45	#define IPMI_BT_CTLREG_SMS_ATN 4
	46	#define IPMI_BT_CTLREG_H_BUSY 6
	47	#define IPMI_BT_CTLREG_B_BUSY 7
	48
	49	#define IPMI_BT_CTLREG_GET(b) ((bt_get_ctrlreg() >> (b)) & 1)
	50	#define IPMI_BT_CTLREG_GET_H2B_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H2B_ATN)
	51	#define IPMI_BT_CTLREG_GET_B2H_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B2H_ATN)
	52	#define IPMI_BT_CTLREG_GET_SMS_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_SMS_ATN)
	53	#define IPMI_BT_CTLREG_GET_H_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H_BUSY)
	54	#define IPMI_BT_CTLREG_GET_B_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B_BUSY)
	55
	56	#define IPMI_BT_CTLREG_SET(b) bt_write_ctrlreg(1 << (b))
	57	#define IPMI_BT_CTLREG_SET_CLR_WR_PTR() IPMI_BT_CTLREG_SET( \
	58	IPMI_BT_CTLREG_CLR_WR_PTR)
	59	#define IPMI_BT_CTLREG_SET_CLR_RD_PTR() IPMI_BT_CTLREG_SET( \
	60	IPMI_BT_CTLREG_CLR_RD_PTR)
	61	#define IPMI_BT_CTLREG_SET_H2B_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H2B_ATN)
	62	#define IPMI_BT_CTLREG_SET_B2H_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_B2H_ATN)
	63	#define IPMI_BT_CTLREG_SET_SMS_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_SMS_ATN)
	64	#define IPMI_BT_CTLREG_SET_H_BUSY() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H_BUSY)
	65
	66	static int bt_ints_enabled;
	67
	68	static uint8_t bt_get_ctrlreg(void)
	69	{
	70	return inb(IPMI_BT_BASE);
	71	}
	72
	73	static void bt_write_ctrlreg(uint8_t val)
	74	{
	75	outb(IPMI_BT_BASE, val);
	76	}
	77
	78	static uint8_t bt_get_buf(void)
	79	{
	80	return inb(IPMI_BT_BASE + 1);
	81	}
	82
	83	static void bt_write_buf(uint8_t val)
	84	{
	85	outb(IPMI_BT_BASE + 1, val);
	86	}
	87
	88	static uint8_t bt_get_irqreg(void)
	89	{
90	return inb(IPMI_BT_BASE + 2);
91	}
92
93	static void bt_write_irqreg(uint8_t val)
94	{
95	outb(IPMI_BT_BASE + 2, val);
96	}
97
98	static void bt_wait_b_busy(void)
99	{
100	unsigned int count = 1000;
101	while (IPMI_BT_CTLREG_GET_B_BUSY() != 0) {
102	g_assert(--count != 0);
103	}
104	}
105
106	static void bt_wait_b2h_atn(void)
107	{
108	unsigned int count = 1000;
109	while (IPMI_BT_CTLREG_GET_B2H_ATN() == 0) {
110	g_assert(--count != 0);
111	}
112	}
113
114
115	static int emu_lfd;
116	static int emu_fd;
117	static in_port_t emu_port;
118	static uint8_t inbuf[100];
119	static unsigned int inbuf_len;
120	static unsigned int inbuf_pos;
121	static int last_was_aa;
122
123	static void read_emu_data(void)
124	{
125	fd_set readfds;
126	int rv;
127	struct timeval tv;
128
129	FD_ZERO(&readfds);
130	FD_SET(emu_fd, &readfds);
131	tv.tv_sec = 10;
132	tv.tv_usec = 0;
133	rv = select(emu_fd + 1, &readfds, NULL, NULL, &tv);
134	if (rv == -1) {
135	perror("select");
136	}
137	g_assert(rv == 1);
138	rv = read(emu_fd, inbuf, sizeof(inbuf));
139	if (rv == -1) {
140	perror("read");
141	}
142	g_assert(rv > 0);
143	inbuf_len = rv;
144	inbuf_pos = 0;
145	}
146
147	static void write_emu_msg(uint8_t *msg, unsigned int len)
148	{
149	int rv;
150
151	#ifdef DEBUG_TEST
152	{
153	unsigned int i;
154	printf("sending:");
155	for (i = 0; i < len; i++) {
156	printf(" %2.2x", msg[i]);
157	}
158	printf("\n");
159	}
160	#endif
161	rv = write(emu_fd, msg, len);
162	g_assert(rv == len);
163	}
164
165	static void get_emu_msg(uint8_t msg, unsigned int len)
166	{
167	unsigned int outpos = 0;
168
169	for (;;) {
170	while (inbuf_pos < inbuf_len) {
171	uint8_t ch = inbuf[inbuf_pos++];
172
173	g_assert(outpos < *len);
174	if (last_was_aa) {
175	assert(ch & 0x10);
176	msg[outpos++] = ch & ~0x10;
177	last_was_aa = 0;
178	} else if (ch == 0xaa) {
179	last_was_aa = 1;
180	} else {
181	msg[outpos++] = ch;
182	if ((ch == 0xa0) \|\| (ch == 0xa1)) {
183	/* Message complete */
184	*len = outpos;
185	goto done;
186	}
187	}
188	}
189	read_emu_data();
190	}
191	done:
192	#ifdef DEBUG_TEST
193	{
194	unsigned int i;
195	printf("Msg:");
196	for (i = 0; i < outpos; i++) {
197	printf(" %2.2x", msg[i]);
198	}
199	printf("\n");
200	}
201	#endif
202	return;
203	}
204
205	static uint8_t
206	ipmb_checksum(const unsigned char *data, int size, unsigned char start)
207	{
208	unsigned char csum = start;
209
210	for (; size > 0; size--, data++) {
211	csum += *data;
212	}
213	return csum;
214	}
215
216	static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 };
217	static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00,
218	0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 };
219
220	static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f };
221	static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 };
222	static uint8_t enable_irq_cmd[] = { 0x05, 0xa1 };
223
224	static void emu_msg_handler(void)
225	{
226	uint8_t msg[100];
227	unsigned int msg_len = sizeof(msg);
228
229	get_emu_msg(msg, &msg_len);
230	g_assert(msg_len >= 5);
231	g_assert(msg[msg_len - 1] == 0xa0);
232	msg_len--;
233	g_assert(ipmb_checksum(msg, msg_len, 0) == 0);
234	msg_len--;
235	if ((msg[1] == get_dev_id_cmd[0]) && (msg[2] == get_dev_id_cmd[1])) {
236	memcpy(msg + 1, get_dev_id_rsp, sizeof(get_dev_id_rsp));
237	msg_len = sizeof(get_dev_id_rsp) + 1;
238	msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
239	msg_len++;
240	msg[msg_len++] = 0xa0;
241	write_emu_msg(msg, msg_len);
242	} else if ((msg[1] == set_bmc_globals_cmd[0]) &&
243	(msg[2] == set_bmc_globals_cmd[1])) {
244	memcpy(msg + 1, set_bmc_globals_rsp, sizeof(set_bmc_globals_rsp));
245	msg_len = sizeof(set_bmc_globals_rsp) + 1;
246	msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
247	msg_len++;
248	msg[msg_len++] = 0xa0;
249	write_emu_msg(msg, msg_len);
250	write_emu_msg(enable_irq_cmd, sizeof(enable_irq_cmd));
251	} else {
252	g_assert(0);
253	}
254	}
255
256	static void bt_cmd(uint8_t *cmd, unsigned int cmd_len,
257	uint8_t rsp, unsigned int rsp_len)
258	{
259	unsigned int i, len, j = 0;
260	uint8_t seq = 5;
261
262	/* Should be idle */
263	g_assert(bt_get_ctrlreg() == 0);
264
265	bt_wait_b_busy();
266	IPMI_BT_CTLREG_SET_CLR_WR_PTR();
267	bt_write_buf(cmd_len + 1);
268	bt_write_buf(cmd[0]);
269	bt_write_buf(seq);
270	for (i = 1; i < cmd_len; i++) {
271	bt_write_buf(cmd[i]);
272	}
273	IPMI_BT_CTLREG_SET_H2B_ATN();
274
275	emu_msg_handler(); /* We should get a message on the socket here. */
276
277	bt_wait_b2h_atn();
278	if (bt_ints_enabled) {
279	g_assert((bt_get_irqreg() & 0x02) == 0x02);
280	g_assert(get_irq(IPMI_IRQ));
281	bt_write_irqreg(0x03);
282	} else {
283	g_assert(!get_irq(IPMI_IRQ));
284	}
285	IPMI_BT_CTLREG_SET_H_BUSY();
286	IPMI_BT_CTLREG_SET_B2H_ATN();
287	IPMI_BT_CTLREG_SET_CLR_RD_PTR();
288	len = bt_get_buf();
289	g_assert(len >= 4);
290	rsp[0] = bt_get_buf();
291	assert(bt_get_buf() == seq);
292	len--;
293	for (j = 1; j < len; j++) {
294	rsp[j] = bt_get_buf();
295	}
296	IPMI_BT_CTLREG_SET_H_BUSY();
297	*rsp_len = j;
298	}
299
300
301	/*
302	* We should get a connect request and a short message with capabilities.
303	*/
304	static void test_connect(void)
305	{
306	fd_set readfds;
307	int rv;
308	int val;
309	struct timeval tv;
310	uint8_t msg[100];
311	unsigned int msglen;
312	static uint8_t exp1[] = { 0xff, 0x01, 0xa1 }; /* A protocol version */
313	static uint8_t exp2[] = { 0x08, 0x1f, 0xa1 }; /* A capabilities cmd */
314
315	FD_ZERO(&readfds);
316	FD_SET(emu_lfd, &readfds);
317	tv.tv_sec = 10;
318	tv.tv_usec = 0;
319	rv = select(emu_lfd + 1, &readfds, NULL, NULL, &tv);
320	g_assert(rv == 1);
321	emu_fd = accept(emu_lfd, NULL, 0);
322	if (emu_fd < 0) {
323	perror("accept");
324	}
325	g_assert(emu_fd >= 0);
326
327	val = 1;
328	rv = setsockopt(emu_fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
329	g_assert(rv != -1);
330
331	/* Report our version */
332	write_emu_msg(exp1, sizeof(exp1));
333
334	/* Validate that we get the info we expect. */
335	msglen = sizeof(msg);
336	get_emu_msg(msg, &msglen);
337	g_assert(msglen == sizeof(exp1));
338	g_assert(memcmp(msg, exp1, msglen) == 0);
339	msglen = sizeof(msg);
340	get_emu_msg(msg, &msglen);
341	g_assert(msglen == sizeof(exp2));
342	g_assert(memcmp(msg, exp2, msglen) == 0);
343	}
344
345	/*
346	* Send a get_device_id to do a basic test.
347	*/
348	static void test_bt_base(void)
349	{
350	uint8_t rsp[20];
351	unsigned int rsplen = sizeof(rsp);
352
353	bt_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen);
354	g_assert(rsplen == sizeof(get_dev_id_rsp));
355	g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0);
356	}
357
358	/*
359	* Enable IRQs for the interface.
360	*/
361	static void test_enable_irq(void)
362	{
363	uint8_t rsp[20];
364	unsigned int rsplen = sizeof(rsp);
365
366	bt_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen);
367	g_assert(rsplen == sizeof(set_bmc_globals_rsp));
368	g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0);
369	bt_write_irqreg(0x01);
370	bt_ints_enabled = 1;
371	}
372
373	/*
374	* Create a local TCP socket with any port, then save off the port we got.
375	*/
376	static void open_socket(void)
377	{
378	struct sockaddr_in myaddr;
379	socklen_t addrlen;
380
381	myaddr.sin_family = AF_INET;
382	myaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
383	myaddr.sin_port = 0;
384	emu_lfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
385	if (emu_lfd == -1) {
386	perror("socket");
387	exit(1);
388	}
389	if (bind(emu_lfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1) {
390	perror("bind");
391	exit(1);
392	}
393	addrlen = sizeof(myaddr);
394	if (getsockname(emu_lfd, (struct sockaddr *) &myaddr , &addrlen) == -1) {
395	perror("getsockname");
396	exit(1);
397	}
398	emu_port = ntohs(myaddr.sin_port);
399	assert(listen(emu_lfd, 1) != -1);
400	}
401
402	int main(int argc, char **argv)
403	{
404	const char *arch = qtest_get_arch();
405	char *cmdline;
406	int ret;
407
408	/* Check architecture */
409	if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
410	g_test_message("Skipping test for non-x86\n");
411	return 0;
412	}
413
414	open_socket();
415
416	/* Run the tests */
417	g_test_init(&argc, &argv, NULL);
418
419	cmdline = g_strdup_printf("-vnc none"
420	" -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10"
421	" -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0"
422	" -device isa-ipmi-bt,bmc=bmc0", emu_port);
423	qtest_start(cmdline);
424	qtest_irq_intercept_in(global_qtest, "ioapic");
425	qtest_add_func("/ipmi/extern/connect", test_connect);
426	qtest_add_func("/ipmi/extern/bt_base", test_bt_base);
427	qtest_add_func("/ipmi/extern/bt_enable_irq", test_enable_irq);
428	qtest_add_func("/ipmi/extern/bt_base_irq", test_bt_base);
429	ret = g_test_run();
430	qtest_quit(global_qtest);
431
432	return ret;
433	}