[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 "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, 0x3f, 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(
          " -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);
    g_free(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
24f976d3 CM	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 */
f53b9f36	312	static uint8_t exp2[] = { 0x08, 0x3f, 0xa1 }; /* A capabilities cmd */
24f976d3 CM	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	{
403	const char *arch = qtest_get_arch();
404	char *cmdline;
405	int ret;
406
407	/* Check architecture */
408	if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
409	g_test_message("Skipping test for non-x86\n");
410	return 0;
411	}
412
413	open_socket();
414
415	/* Run the tests */
416	g_test_init(&argc, &argv, NULL);
417
2df35773	418	cmdline = g_strdup_printf(
24f976d3 CM	419	" -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10"
	420	" -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0"
	421	" -device isa-ipmi-bt,bmc=bmc0", emu_port);
	422	qtest_start(cmdline);
2607b660	423	g_free(cmdline);
24f976d3 CM	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	}