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

/*
 * IPMI BT test cases, using the external interface for checking
 *
 * Copyright (c) 2012 Corey Minyard <[email protected]>
 *
 * 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 <sys/types.h>
#include <stdint.h>
#include <string.h>
#include <stdio.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 <[email protected]>
	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
	25	#include <sys/types.h>
	26	#include <stdint.h>
	27	#include <string.h>
	28	#include <stdio.h>
	29
	30	#include <sys/socket.h>
	31	#include <netinet/in.h>
	32	#include <netinet/ip.h>
	33	#include <netinet/tcp.h>
	34
	35	#include <glib.h>
	36
	37	#include "libqtest.h"
	38	#include "qemu-common.h"
	39
	40	#define IPMI_IRQ 5
	41
	42	#define IPMI_BT_BASE 0xe4
	43
	44	#define IPMI_BT_CTLREG_CLR_WR_PTR 0
	45	#define IPMI_BT_CTLREG_CLR_RD_PTR 1
	46	#define IPMI_BT_CTLREG_H2B_ATN 2
	47	#define IPMI_BT_CTLREG_B2H_ATN 3
	48	#define IPMI_BT_CTLREG_SMS_ATN 4
	49	#define IPMI_BT_CTLREG_H_BUSY 6
	50	#define IPMI_BT_CTLREG_B_BUSY 7
	51
	52	#define IPMI_BT_CTLREG_GET(b) ((bt_get_ctrlreg() >> (b)) & 1)
	53	#define IPMI_BT_CTLREG_GET_H2B_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H2B_ATN)
	54	#define IPMI_BT_CTLREG_GET_B2H_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B2H_ATN)
	55	#define IPMI_BT_CTLREG_GET_SMS_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_SMS_ATN)
	56	#define IPMI_BT_CTLREG_GET_H_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H_BUSY)
	57	#define IPMI_BT_CTLREG_GET_B_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B_BUSY)
	58
	59	#define IPMI_BT_CTLREG_SET(b) bt_write_ctrlreg(1 << (b))
	60	#define IPMI_BT_CTLREG_SET_CLR_WR_PTR() IPMI_BT_CTLREG_SET( \
	61	IPMI_BT_CTLREG_CLR_WR_PTR)
	62	#define IPMI_BT_CTLREG_SET_CLR_RD_PTR() IPMI_BT_CTLREG_SET( \
	63	IPMI_BT_CTLREG_CLR_RD_PTR)
	64	#define IPMI_BT_CTLREG_SET_H2B_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H2B_ATN)
65	#define IPMI_BT_CTLREG_SET_B2H_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_B2H_ATN)
66	#define IPMI_BT_CTLREG_SET_SMS_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_SMS_ATN)
67	#define IPMI_BT_CTLREG_SET_H_BUSY() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H_BUSY)
68
69	static int bt_ints_enabled;
70
71	static uint8_t bt_get_ctrlreg(void)
72	{
73	return inb(IPMI_BT_BASE);
74	}
75
76	static void bt_write_ctrlreg(uint8_t val)
77	{
78	outb(IPMI_BT_BASE, val);
79	}
80
81	static uint8_t bt_get_buf(void)
82	{
83	return inb(IPMI_BT_BASE + 1);
84	}
85
86	static void bt_write_buf(uint8_t val)
87	{
88	outb(IPMI_BT_BASE + 1, val);
89	}
90
91	static uint8_t bt_get_irqreg(void)
92	{
93	return inb(IPMI_BT_BASE + 2);
94	}
95
96	static void bt_write_irqreg(uint8_t val)
97	{
98	outb(IPMI_BT_BASE + 2, val);
99	}
100
101	static void bt_wait_b_busy(void)
102	{
103	unsigned int count = 1000;
104	while (IPMI_BT_CTLREG_GET_B_BUSY() != 0) {
105	g_assert(--count != 0);
106	}
107	}
108
109	static void bt_wait_b2h_atn(void)
110	{
111	unsigned int count = 1000;
112	while (IPMI_BT_CTLREG_GET_B2H_ATN() == 0) {
113	g_assert(--count != 0);
114	}
115	}
116
117
118	static int emu_lfd;
119	static int emu_fd;
120	static in_port_t emu_port;
121	static uint8_t inbuf[100];
122	static unsigned int inbuf_len;
123	static unsigned int inbuf_pos;
124	static int last_was_aa;
125
126	static void read_emu_data(void)
127	{
128	fd_set readfds;
129	int rv;
130	struct timeval tv;
131
132	FD_ZERO(&readfds);
133	FD_SET(emu_fd, &readfds);
134	tv.tv_sec = 10;
135	tv.tv_usec = 0;
136	rv = select(emu_fd + 1, &readfds, NULL, NULL, &tv);
137	if (rv == -1) {
138	perror("select");
139	}
140	g_assert(rv == 1);
141	rv = read(emu_fd, inbuf, sizeof(inbuf));
142	if (rv == -1) {
143	perror("read");
144	}
145	g_assert(rv > 0);
146	inbuf_len = rv;
147	inbuf_pos = 0;
148	}
149
150	static void write_emu_msg(uint8_t *msg, unsigned int len)
151	{
152	int rv;
153
154	#ifdef DEBUG_TEST
155	{
156	unsigned int i;
157	printf("sending:");
158	for (i = 0; i < len; i++) {
159	printf(" %2.2x", msg[i]);
160	}
161	printf("\n");
162	}
163	#endif
164	rv = write(emu_fd, msg, len);
165	g_assert(rv == len);
166	}
167
168	static void get_emu_msg(uint8_t msg, unsigned int len)
169	{
170	unsigned int outpos = 0;
171
172	for (;;) {
173	while (inbuf_pos < inbuf_len) {
174	uint8_t ch = inbuf[inbuf_pos++];
175
176	g_assert(outpos < *len);
177	if (last_was_aa) {
178	assert(ch & 0x10);
179	msg[outpos++] = ch & ~0x10;
180	last_was_aa = 0;
181	} else if (ch == 0xaa) {
182	last_was_aa = 1;
183	} else {
184	msg[outpos++] = ch;
185	if ((ch == 0xa0) \|\| (ch == 0xa1)) {
186	/* Message complete */
187	*len = outpos;
188	goto done;
189	}
190	}
191	}
192	read_emu_data();
193	}
194	done:
195	#ifdef DEBUG_TEST
196	{
197	unsigned int i;
198	printf("Msg:");
199	for (i = 0; i < outpos; i++) {
200	printf(" %2.2x", msg[i]);
201	}
202	printf("\n");
203	}
204	#endif
205	return;
206	}
207
208	static uint8_t
209	ipmb_checksum(const unsigned char *data, int size, unsigned char start)
210	{
211	unsigned char csum = start;
212
213	for (; size > 0; size--, data++) {
214	csum += *data;
215	}
216	return csum;
217	}
218
219	static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 };
220	static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00,
221	0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 };
222
223	static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f };
224	static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 };
225	static uint8_t enable_irq_cmd[] = { 0x05, 0xa1 };
226
227	static void emu_msg_handler(void)
228	{
229	uint8_t msg[100];
230	unsigned int msg_len = sizeof(msg);
231
232	get_emu_msg(msg, &msg_len);
233	g_assert(msg_len >= 5);
234	g_assert(msg[msg_len - 1] == 0xa0);
235	msg_len--;
236	g_assert(ipmb_checksum(msg, msg_len, 0) == 0);
237	msg_len--;
238	if ((msg[1] == get_dev_id_cmd[0]) && (msg[2] == get_dev_id_cmd[1])) {
239	memcpy(msg + 1, get_dev_id_rsp, sizeof(get_dev_id_rsp));
240	msg_len = sizeof(get_dev_id_rsp) + 1;
241	msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
242	msg_len++;
243	msg[msg_len++] = 0xa0;
244	write_emu_msg(msg, msg_len);
245	} else if ((msg[1] == set_bmc_globals_cmd[0]) &&
246	(msg[2] == set_bmc_globals_cmd[1])) {
247	memcpy(msg + 1, set_bmc_globals_rsp, sizeof(set_bmc_globals_rsp));
248	msg_len = sizeof(set_bmc_globals_rsp) + 1;
249	msg[msg_len] = -ipmb_checksum(msg, msg_len, 0);
250	msg_len++;
251	msg[msg_len++] = 0xa0;
252	write_emu_msg(msg, msg_len);
253	write_emu_msg(enable_irq_cmd, sizeof(enable_irq_cmd));
254	} else {
255	g_assert(0);
256	}
257	}
258
259	static void bt_cmd(uint8_t *cmd, unsigned int cmd_len,
260	uint8_t rsp, unsigned int rsp_len)
261	{
262	unsigned int i, len, j = 0;
263	uint8_t seq = 5;
264
265	/* Should be idle */
266	g_assert(bt_get_ctrlreg() == 0);
267
268	bt_wait_b_busy();
269	IPMI_BT_CTLREG_SET_CLR_WR_PTR();
270	bt_write_buf(cmd_len + 1);
271	bt_write_buf(cmd[0]);
272	bt_write_buf(seq);
273	for (i = 1; i < cmd_len; i++) {
274	bt_write_buf(cmd[i]);
275	}
276	IPMI_BT_CTLREG_SET_H2B_ATN();
277
278	emu_msg_handler(); /* We should get a message on the socket here. */
279
280	bt_wait_b2h_atn();
281	if (bt_ints_enabled) {
282	g_assert((bt_get_irqreg() & 0x02) == 0x02);
283	g_assert(get_irq(IPMI_IRQ));
284	bt_write_irqreg(0x03);
285	} else {
286	g_assert(!get_irq(IPMI_IRQ));
287	}
288	IPMI_BT_CTLREG_SET_H_BUSY();
289	IPMI_BT_CTLREG_SET_B2H_ATN();
290	IPMI_BT_CTLREG_SET_CLR_RD_PTR();
291	len = bt_get_buf();
292	g_assert(len >= 4);
293	rsp[0] = bt_get_buf();
294	assert(bt_get_buf() == seq);
295	len--;
296	for (j = 1; j < len; j++) {
297	rsp[j] = bt_get_buf();
298	}
299	IPMI_BT_CTLREG_SET_H_BUSY();
300	*rsp_len = j;
301	}
302
303
304	/*
305	* We should get a connect request and a short message with capabilities.
306	*/
307	static void test_connect(void)
308	{
309	fd_set readfds;
310	int rv;
311	int val;
312	struct timeval tv;
313	uint8_t msg[100];
314	unsigned int msglen;
315	static uint8_t exp1[] = { 0xff, 0x01, 0xa1 }; /* A protocol version */
316	static uint8_t exp2[] = { 0x08, 0x1f, 0xa1 }; /* A capabilities cmd */
317
318	FD_ZERO(&readfds);
319	FD_SET(emu_lfd, &readfds);
320	tv.tv_sec = 10;
321	tv.tv_usec = 0;
322	rv = select(emu_lfd + 1, &readfds, NULL, NULL, &tv);
323	g_assert(rv == 1);
324	emu_fd = accept(emu_lfd, NULL, 0);
325	if (emu_fd < 0) {
326	perror("accept");
327	}
328	g_assert(emu_fd >= 0);
329
330	val = 1;
331	rv = setsockopt(emu_fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
332	g_assert(rv != -1);
333
334	/* Report our version */
335	write_emu_msg(exp1, sizeof(exp1));
336
337	/* Validate that we get the info we expect. */
338	msglen = sizeof(msg);
339	get_emu_msg(msg, &msglen);
340	g_assert(msglen == sizeof(exp1));
341	g_assert(memcmp(msg, exp1, msglen) == 0);
342	msglen = sizeof(msg);
343	get_emu_msg(msg, &msglen);
344	g_assert(msglen == sizeof(exp2));
345	g_assert(memcmp(msg, exp2, msglen) == 0);
346	}
347
348	/*
349	* Send a get_device_id to do a basic test.
350	*/
351	static void test_bt_base(void)
352	{
353	uint8_t rsp[20];
354	unsigned int rsplen = sizeof(rsp);
355
356	bt_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen);
357	g_assert(rsplen == sizeof(get_dev_id_rsp));
358	g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0);
359	}
360
361	/*
362	* Enable IRQs for the interface.
363	*/
364	static void test_enable_irq(void)
365	{
366	uint8_t rsp[20];
367	unsigned int rsplen = sizeof(rsp);
368
369	bt_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen);
370	g_assert(rsplen == sizeof(set_bmc_globals_rsp));
371	g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0);
372	bt_write_irqreg(0x01);
373	bt_ints_enabled = 1;
374	}
375
376	/*
377	* Create a local TCP socket with any port, then save off the port we got.
378	*/
379	static void open_socket(void)
380	{
381	struct sockaddr_in myaddr;
382	socklen_t addrlen;
383
384	myaddr.sin_family = AF_INET;
385	myaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
386	myaddr.sin_port = 0;
387	emu_lfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
388	if (emu_lfd == -1) {
389	perror("socket");
390	exit(1);
391	}
392	if (bind(emu_lfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1) {
393	perror("bind");
394	exit(1);
395	}
396	addrlen = sizeof(myaddr);
397	if (getsockname(emu_lfd, (struct sockaddr *) &myaddr , &addrlen) == -1) {
398	perror("getsockname");
399	exit(1);
400	}
401	emu_port = ntohs(myaddr.sin_port);
402	assert(listen(emu_lfd, 1) != -1);
403	}
404
405	int main(int argc, char **argv)
406	{
407	const char *arch = qtest_get_arch();
408	char *cmdline;
409	int ret;
410
411	/* Check architecture */
412	if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
413	g_test_message("Skipping test for non-x86\n");
414	return 0;
415	}
416
417	open_socket();
418
419	/* Run the tests */
420	g_test_init(&argc, &argv, NULL);
421
422	cmdline = g_strdup_printf("-vnc none"
423	" -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10"
424	" -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0"
425	" -device isa-ipmi-bt,bmc=bmc0", emu_port);
426	qtest_start(cmdline);
427	qtest_irq_intercept_in(global_qtest, "ioapic");
428	qtest_add_func("/ipmi/extern/connect", test_connect);
429	qtest_add_func("/ipmi/extern/bt_base", test_bt_base);
430	qtest_add_func("/ipmi/extern/bt_enable_irq", test_enable_irq);
431	qtest_add_func("/ipmi/extern/bt_base_irq", test_bt_base);
432	ret = g_test_run();
433	qtest_quit(global_qtest);
434
435	return ret;
436	}