--- /dev/null
+/*
+ * IPMI KCS test cases, using the local interface.
+ *
+ * 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 <glib.h>
+
+#include "libqtest.h"
+
+#define IPMI_IRQ 5
+
+#define IPMI_KCS_BASE 0xca2
+
+#define IPMI_KCS_STATUS_ABORT 0x60
+#define IPMI_KCS_CMD_WRITE_START 0x61
+#define IPMI_KCS_CMD_WRITE_END 0x62
+#define IPMI_KCS_CMD_READ 0x68
+
+#define IPMI_KCS_ABORTED_BY_CMD 0x01
+
+#define IPMI_KCS_CMDREG_GET_STATE() ((kcs_get_cmdreg() >> 6) & 3)
+#define IPMI_KCS_STATE_IDLE 0
+#define IPMI_KCS_STATE_READ 1
+#define IPMI_KCS_STATE_WRITE 2
+#define IPMI_KCS_STATE_ERROR 3
+#define IPMI_KCS_CMDREG_GET_CD() ((kcs_get_cmdreg() >> 3) & 1)
+#define IPMI_KCS_CMDREG_GET_ATN() ((kcs_get_cmdreg() >> 2) & 1)
+#define IPMI_KCS_CMDREG_GET_IBF() ((kcs_get_cmdreg() >> 1) & 1)
+#define IPMI_KCS_CMDREG_GET_OBF() ((kcs_get_cmdreg() >> 0) & 1)
+
+static int kcs_ints_enabled;
+
+static uint8_t kcs_get_cmdreg(void)
+{
+ return inb(IPMI_KCS_BASE + 1);
+}
+
+static void kcs_write_cmdreg(uint8_t val)
+{
+ outb(IPMI_KCS_BASE + 1, val);
+}
+
+static uint8_t kcs_get_datareg(void)
+{
+ return inb(IPMI_KCS_BASE);
+}
+
+static void kcs_write_datareg(uint8_t val)
+{
+ outb(IPMI_KCS_BASE, val);
+}
+
+static void kcs_wait_ibf(void)
+{
+ unsigned int count = 1000;
+ while (IPMI_KCS_CMDREG_GET_IBF() != 0) {
+ g_assert(--count != 0);
+ }
+}
+
+static void kcs_wait_obf(void)
+{
+ unsigned int count = 1000;
+ while (IPMI_KCS_CMDREG_GET_OBF() == 0) {
+ g_assert(--count != 0);
+ }
+}
+
+static void kcs_clear_obf(void)
+{
+ if (kcs_ints_enabled) {
+ g_assert(get_irq(IPMI_IRQ));
+ } else {
+ g_assert(!get_irq(IPMI_IRQ));
+ }
+ g_assert(IPMI_KCS_CMDREG_GET_OBF() == 1);
+ kcs_get_datareg();
+ g_assert(IPMI_KCS_CMDREG_GET_OBF() == 0);
+ g_assert(!get_irq(IPMI_IRQ));
+}
+
+static void kcs_check_state(uint8_t state)
+{
+ g_assert(IPMI_KCS_CMDREG_GET_STATE() == state);
+}
+
+static void kcs_cmd(uint8_t *cmd, unsigned int cmd_len,
+ uint8_t *rsp, unsigned int *rsp_len)
+{
+ unsigned int i, j = 0;
+
+ /* Should be idle */
+ g_assert(kcs_get_cmdreg() == 0);
+
+ kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_START);
+ kcs_wait_ibf();
+ kcs_check_state(IPMI_KCS_STATE_WRITE);
+ kcs_clear_obf();
+ for (i = 0; i < cmd_len; i++) {
+ kcs_write_datareg(cmd[i]);
+ kcs_wait_ibf();
+ kcs_check_state(IPMI_KCS_STATE_WRITE);
+ kcs_clear_obf();
+ }
+ kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_END);
+ kcs_wait_ibf();
+ kcs_check_state(IPMI_KCS_STATE_WRITE);
+ kcs_clear_obf();
+ kcs_write_datareg(0);
+ next_read_byte:
+ kcs_wait_ibf();
+ switch (IPMI_KCS_CMDREG_GET_STATE()) {
+ case IPMI_KCS_STATE_READ:
+ kcs_wait_obf();
+ g_assert(j < *rsp_len);
+ rsp[j++] = kcs_get_datareg();
+ kcs_write_datareg(IPMI_KCS_CMD_READ);
+ goto next_read_byte;
+ break;
+
+ case IPMI_KCS_STATE_IDLE:
+ kcs_wait_obf();
+ kcs_get_datareg();
+ break;
+
+ default:
+ g_assert(0);
+ }
+ *rsp_len = j;
+}
+
+static void kcs_abort(uint8_t *cmd, unsigned int cmd_len,
+ uint8_t *rsp, unsigned int *rsp_len)
+{
+ unsigned int i, j = 0;
+ unsigned int retries = 4;
+
+ /* Should be idle */
+ g_assert(kcs_get_cmdreg() == 0);
+
+ kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_START);
+ kcs_wait_ibf();
+ kcs_check_state(IPMI_KCS_STATE_WRITE);
+ kcs_clear_obf();
+ for (i = 0; i < cmd_len; i++) {
+ kcs_write_datareg(cmd[i]);
+ kcs_wait_ibf();
+ kcs_check_state(IPMI_KCS_STATE_WRITE);
+ kcs_clear_obf();
+ }
+ kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_END);
+ kcs_wait_ibf();
+ kcs_check_state(IPMI_KCS_STATE_WRITE);
+ kcs_clear_obf();
+ kcs_write_datareg(0);
+ kcs_wait_ibf();
+ switch (IPMI_KCS_CMDREG_GET_STATE()) {
+ case IPMI_KCS_STATE_READ:
+ kcs_wait_obf();
+ g_assert(j < *rsp_len);
+ rsp[j++] = kcs_get_datareg();
+ kcs_write_datareg(IPMI_KCS_CMD_READ);
+ break;
+
+ default:
+ g_assert(0);
+ }
+
+ /* Start the abort here */
+ retry_abort:
+ g_assert(retries > 0);
+
+ kcs_wait_ibf();
+ kcs_write_cmdreg(IPMI_KCS_STATUS_ABORT);
+ kcs_wait_ibf();
+ kcs_clear_obf();
+ kcs_write_datareg(0);
+ kcs_wait_ibf();
+ if (IPMI_KCS_CMDREG_GET_STATE() != IPMI_KCS_STATE_READ) {
+ retries--;
+ goto retry_abort;
+ }
+ kcs_wait_obf();
+ rsp[0] = kcs_get_datareg();
+ kcs_write_datareg(IPMI_KCS_CMD_READ);
+ kcs_wait_ibf();
+ if (IPMI_KCS_CMDREG_GET_STATE() != IPMI_KCS_STATE_IDLE) {
+ retries--;
+ goto retry_abort;
+ }
+ kcs_wait_obf();
+ kcs_clear_obf();
+
+ *rsp_len = j;
+}
+
+
+static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 };
+static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00,
+ 0x02, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+/*
+ * Send a get_device_id to do a basic test.
+ */
+static void test_kcs_base(void)
+{
+ uint8_t rsp[20];
+ unsigned int rsplen = sizeof(rsp);
+
+ kcs_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);
+}
+
+/*
+ * Abort a kcs operation while reading
+ */
+static void test_kcs_abort(void)
+{
+ uint8_t rsp[20];
+ unsigned int rsplen = sizeof(rsp);
+
+ kcs_abort(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen);
+ g_assert(rsp[0] == IPMI_KCS_ABORTED_BY_CMD);
+}
+
+static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f };
+static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 };
+
+/*
+ * Enable interrupts
+ */
+static void test_enable_irq(void)
+{
+ uint8_t rsp[20];
+ unsigned int rsplen = sizeof(rsp);
+
+ kcs_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);
+ kcs_ints_enabled = 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;
+ }
+
+ /* Run the tests */
+ g_test_init(&argc, &argv, NULL);
+
+ cmdline = g_strdup_printf("-vnc none -device ipmi-bmc-sim,id=bmc0"
+ " -device isa-ipmi-kcs,bmc=bmc0");
+ qtest_start(cmdline);
+ qtest_irq_intercept_in(global_qtest, "ioapic");
+ qtest_add_func("/ipmi/local/kcs_base", test_kcs_base);
+ qtest_add_func("/ipmi/local/kcs_abort", test_kcs_abort);
+ qtest_add_func("/ipmi/local/kcs_enable_irq", test_enable_irq);
+ qtest_add_func("/ipmi/local/kcs_base_irq", test_kcs_base);
+ qtest_add_func("/ipmi/local/kcs_abort_irq", test_kcs_abort);
+ ret = g_test_run();
+ qtest_quit(global_qtest);
+
+ return ret;
+}
Code Review / kvmfornfv.git / blobdiff