cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
[qemu.git] / tests / ipmi-kcs-test.c
1 /*
2 * IPMI KCS test cases, using the local interface.
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
25 #include "qemu/osdep.h"
26
27
28 #include "libqtest.h"
29
30 #define IPMI_IRQ 5
31
32 #define IPMI_KCS_BASE 0xca2
33
34 #define IPMI_KCS_STATUS_ABORT 0x60
35 #define IPMI_KCS_CMD_WRITE_START 0x61
36 #define IPMI_KCS_CMD_WRITE_END 0x62
37 #define IPMI_KCS_CMD_READ 0x68
38
39 #define IPMI_KCS_ABORTED_BY_CMD 0x01
40
41 #define IPMI_KCS_CMDREG_GET_STATE() ((kcs_get_cmdreg() >> 6) & 3)
42 #define IPMI_KCS_STATE_IDLE 0
43 #define IPMI_KCS_STATE_READ 1
44 #define IPMI_KCS_STATE_WRITE 2
45 #define IPMI_KCS_STATE_ERROR 3
46 #define IPMI_KCS_CMDREG_GET_CD() ((kcs_get_cmdreg() >> 3) & 1)
47 #define IPMI_KCS_CMDREG_GET_ATN() ((kcs_get_cmdreg() >> 2) & 1)
48 #define IPMI_KCS_CMDREG_GET_IBF() ((kcs_get_cmdreg() >> 1) & 1)
49 #define IPMI_KCS_CMDREG_GET_OBF() ((kcs_get_cmdreg() >> 0) & 1)
50
51 static int kcs_ints_enabled;
52
53 static uint8_t kcs_get_cmdreg(void)
54 {
55 return inb(IPMI_KCS_BASE + 1);
56 }
57
58 static void kcs_write_cmdreg(uint8_t val)
59 {
60 outb(IPMI_KCS_BASE + 1, val);
61 }
62
63 static uint8_t kcs_get_datareg(void)
64 {
65 return inb(IPMI_KCS_BASE);
66 }
67
68 static void kcs_write_datareg(uint8_t val)
69 {
70 outb(IPMI_KCS_BASE, val);
71 }
72
73 static void kcs_wait_ibf(void)
74 {
75 unsigned int count = 1000;
76 while (IPMI_KCS_CMDREG_GET_IBF() != 0) {
77 g_assert(--count != 0);
78 }
79 }
80
81 static void kcs_wait_obf(void)
82 {
83 unsigned int count = 1000;
84 while (IPMI_KCS_CMDREG_GET_OBF() == 0) {
85 g_assert(--count != 0);
86 }
87 }
88
89 static void kcs_clear_obf(void)
90 {
91 if (kcs_ints_enabled) {
92 g_assert(get_irq(IPMI_IRQ));
93 } else {
94 g_assert(!get_irq(IPMI_IRQ));
95 }
96 g_assert(IPMI_KCS_CMDREG_GET_OBF() == 1);
97 kcs_get_datareg();
98 g_assert(IPMI_KCS_CMDREG_GET_OBF() == 0);
99 g_assert(!get_irq(IPMI_IRQ));
100 }
101
102 static void kcs_check_state(uint8_t state)
103 {
104 g_assert(IPMI_KCS_CMDREG_GET_STATE() == state);
105 }
106
107 static void kcs_cmd(uint8_t *cmd, unsigned int cmd_len,
108 uint8_t *rsp, unsigned int *rsp_len)
109 {
110 unsigned int i, j = 0;
111
112 /* Should be idle */
113 g_assert(kcs_get_cmdreg() == 0);
114
115 kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_START);
116 kcs_wait_ibf();
117 kcs_check_state(IPMI_KCS_STATE_WRITE);
118 kcs_clear_obf();
119 for (i = 0; i < cmd_len; i++) {
120 kcs_write_datareg(cmd[i]);
121 kcs_wait_ibf();
122 kcs_check_state(IPMI_KCS_STATE_WRITE);
123 kcs_clear_obf();
124 }
125 kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_END);
126 kcs_wait_ibf();
127 kcs_check_state(IPMI_KCS_STATE_WRITE);
128 kcs_clear_obf();
129 kcs_write_datareg(0);
130 next_read_byte:
131 kcs_wait_ibf();
132 switch (IPMI_KCS_CMDREG_GET_STATE()) {
133 case IPMI_KCS_STATE_READ:
134 kcs_wait_obf();
135 g_assert(j < *rsp_len);
136 rsp[j++] = kcs_get_datareg();
137 kcs_write_datareg(IPMI_KCS_CMD_READ);
138 goto next_read_byte;
139 break;
140
141 case IPMI_KCS_STATE_IDLE:
142 kcs_wait_obf();
143 kcs_get_datareg();
144 break;
145
146 default:
147 g_assert(0);
148 }
149 *rsp_len = j;
150 }
151
152 static void kcs_abort(uint8_t *cmd, unsigned int cmd_len,
153 uint8_t *rsp, unsigned int *rsp_len)
154 {
155 unsigned int i, j = 0;
156 unsigned int retries = 4;
157
158 /* Should be idle */
159 g_assert(kcs_get_cmdreg() == 0);
160
161 kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_START);
162 kcs_wait_ibf();
163 kcs_check_state(IPMI_KCS_STATE_WRITE);
164 kcs_clear_obf();
165 for (i = 0; i < cmd_len; i++) {
166 kcs_write_datareg(cmd[i]);
167 kcs_wait_ibf();
168 kcs_check_state(IPMI_KCS_STATE_WRITE);
169 kcs_clear_obf();
170 }
171 kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_END);
172 kcs_wait_ibf();
173 kcs_check_state(IPMI_KCS_STATE_WRITE);
174 kcs_clear_obf();
175 kcs_write_datareg(0);
176 kcs_wait_ibf();
177 switch (IPMI_KCS_CMDREG_GET_STATE()) {
178 case IPMI_KCS_STATE_READ:
179 kcs_wait_obf();
180 g_assert(j < *rsp_len);
181 rsp[j++] = kcs_get_datareg();
182 kcs_write_datareg(IPMI_KCS_CMD_READ);
183 break;
184
185 default:
186 g_assert(0);
187 }
188
189 /* Start the abort here */
190 retry_abort:
191 g_assert(retries > 0);
192
193 kcs_wait_ibf();
194 kcs_write_cmdreg(IPMI_KCS_STATUS_ABORT);
195 kcs_wait_ibf();
196 kcs_clear_obf();
197 kcs_write_datareg(0);
198 kcs_wait_ibf();
199 if (IPMI_KCS_CMDREG_GET_STATE() != IPMI_KCS_STATE_READ) {
200 retries--;
201 goto retry_abort;
202 }
203 kcs_wait_obf();
204 rsp[0] = kcs_get_datareg();
205 kcs_write_datareg(IPMI_KCS_CMD_READ);
206 kcs_wait_ibf();
207 if (IPMI_KCS_CMDREG_GET_STATE() != IPMI_KCS_STATE_IDLE) {
208 retries--;
209 goto retry_abort;
210 }
211 kcs_wait_obf();
212 kcs_clear_obf();
213
214 *rsp_len = j;
215 }
216
217
218 static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 };
219 static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00,
220 0x02, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00 };
221
222 /*
223 * Send a get_device_id to do a basic test.
224 */
225 static void test_kcs_base(void)
226 {
227 uint8_t rsp[20];
228 unsigned int rsplen = sizeof(rsp);
229
230 kcs_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen);
231 g_assert(rsplen == sizeof(get_dev_id_rsp));
232 g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0);
233 }
234
235 /*
236 * Abort a kcs operation while reading
237 */
238 static void test_kcs_abort(void)
239 {
240 uint8_t rsp[20];
241 unsigned int rsplen = sizeof(rsp);
242
243 kcs_abort(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen);
244 g_assert(rsp[0] == IPMI_KCS_ABORTED_BY_CMD);
245 }
246
247 static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f };
248 static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 };
249
250 /*
251 * Enable interrupts
252 */
253 static void test_enable_irq(void)
254 {
255 uint8_t rsp[20];
256 unsigned int rsplen = sizeof(rsp);
257
258 kcs_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen);
259 g_assert(rsplen == sizeof(set_bmc_globals_rsp));
260 g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0);
261 kcs_ints_enabled = 1;
262 }
263
264 int main(int argc, char **argv)
265 {
266 const char *arch = qtest_get_arch();
267 char *cmdline;
268 int ret;
269
270 /* Check architecture */
271 if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
272 g_test_message("Skipping test for non-x86\n");
273 return 0;
274 }
275
276 /* Run the tests */
277 g_test_init(&argc, &argv, NULL);
278
279 cmdline = g_strdup_printf("-device ipmi-bmc-sim,id=bmc0"
280 " -device isa-ipmi-kcs,bmc=bmc0");
281 qtest_start(cmdline);
282 g_free(cmdline);
283 qtest_irq_intercept_in(global_qtest, "ioapic");
284 qtest_add_func("/ipmi/local/kcs_base", test_kcs_base);
285 qtest_add_func("/ipmi/local/kcs_abort", test_kcs_abort);
286 qtest_add_func("/ipmi/local/kcs_enable_irq", test_enable_irq);
287 qtest_add_func("/ipmi/local/kcs_base_irq", test_kcs_base);
288 qtest_add_func("/ipmi/local/kcs_abort_irq", test_kcs_abort);
289 ret = g_test_run();
290 qtest_quit(global_qtest);
291
292 return ret;
293 }