diff options
Diffstat (limited to 'qemu/tests/ipmi-kcs-test.c')
| -rw-r--r-- | qemu/tests/ipmi-kcs-test.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/qemu/tests/ipmi-kcs-test.c b/qemu/tests/ipmi-kcs-test.c new file mode 100644 index 000000000..42c4b974c --- /dev/null +++ b/qemu/tests/ipmi-kcs-test.c @@ -0,0 +1,293 @@ +/* + * 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; +} |