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authorJohnny Lin <johnny_lin@wiwynn.com>2019-11-14 14:55:04 +0800
committerPatrick Georgi <pgeorgi@google.com>2019-11-22 10:43:42 +0000
commit53509cf15aeba1a7afa262ca4d3ddb77f019ba00 (patch)
treebbf73c0e750e65c1bd1bccef74ebb335f19e0fa2 /src
parent7aeeb9bf96c947954e19d0a5e865e5b71e5d98d4 (diff)
downloadcoreboot-53509cf15aeba1a7afa262ca4d3ddb77f019ba00.tar.xz
drivers/ipmi: Add IPMI get system GUID support
Tested on OCP Mono Lake. Change-Id: I541a23341ccce3d45239babb3f0a8a8c8542b226 Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36842 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/drivers/ipmi/ipmi_ops.c26
-rw-r--r--src/drivers/ipmi/ipmi_ops.h8
2 files changed, 34 insertions, 0 deletions
diff --git a/src/drivers/ipmi/ipmi_ops.c b/src/drivers/ipmi/ipmi_ops.c
index 784daeb1fb..8a189bdbe1 100644
--- a/src/drivers/ipmi/ipmi_ops.c
+++ b/src/drivers/ipmi/ipmi_ops.c
@@ -16,6 +16,7 @@
#include <console/console.h>
#include "ipmi_ops.h"
+#include <string.h>
enum cb_err ipmi_init_and_start_bmc_wdt(const int port, uint16_t countdown,
uint8_t action)
@@ -104,3 +105,28 @@ enum cb_err ipmi_stop_bmc_wdt(const int port)
return CB_SUCCESS;
}
+
+enum cb_err ipmi_get_system_guid(const int port, uint8_t *uuid)
+{
+ int ret;
+ struct ipmi_get_system_guid_rsp rsp;
+
+ if (uuid == NULL) {
+ printk(BIOS_ERR, "%s failed, null pointer parameter\n",
+ __func__);
+ return CB_ERR;
+ }
+
+ ret = ipmi_kcs_message(port, IPMI_NETFN_APPLICATION, 0x0,
+ IPMI_BMC_GET_SYSTEM_GUID, NULL, 0,
+ (unsigned char *) &rsp, sizeof(rsp));
+
+ if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) {
+ printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
+ __func__, ret, rsp.resp.completion_code);
+ return CB_ERR;
+ }
+
+ memcpy(uuid, rsp.data, 16);
+ return CB_SUCCESS;
+}
diff --git a/src/drivers/ipmi/ipmi_ops.h b/src/drivers/ipmi/ipmi_ops.h
index f293075e90..77fc727cc8 100644
--- a/src/drivers/ipmi/ipmi_ops.h
+++ b/src/drivers/ipmi/ipmi_ops.h
@@ -21,6 +21,7 @@
#define IPMI_BMC_RESET_WDG_TIMER 0x22
#define IPMI_BMC_SET_WDG_TIMER 0x24
#define IPMI_BMC_GET_WDG_TIMER 0x25
+#define IPMI_BMC_GET_SYSTEM_GUID 0x37
/* BMC watchdog timeout action */
enum ipmi_bmc_timeout_action_type {
@@ -44,6 +45,10 @@ struct ipmi_wdt_rsp {
uint16_t present_countdown_val;
} __packed;
+struct ipmi_get_system_guid_rsp {
+ struct ipmi_rsp resp;
+ uint8_t data[16];
+} __packed;
/*
* Initialize and start BMC FRB2 watchdog timer with the
* provided timer countdown and action values.
@@ -54,4 +59,7 @@ enum cb_err ipmi_init_and_start_bmc_wdt(const int port, uint16_t countdown,
/* Returns CB_SUCCESS on success and CB_ERR if an error occurred */
enum cb_err ipmi_stop_bmc_wdt(const int port);
+/* IPMI get BMC system GUID and store it to parameter uuid.
+ * Returns CB_SUCCESS on success and CB_ERR if an error occurred */
+enum cb_err ipmi_get_system_guid(const int port, uint8_t *uuid);
#endif